界: Security Features
软件安全不是安全软件。此处我们关注的主题包括身份验证、Access Control、机密性、加密和权限管理。
Key Management: Hardcoded HMAC Key
Abstract
硬编码 HMAC 密钥可能会削弱系统安全性，一旦出现安全问题将无法轻易修正。
Explanation
采用硬编码处理 HMAC 密钥绝非一个好方法。HMAC 的加密强度依赖于密钥的保密性，后者用于计算和验证消息的身份验证值。采用硬编码处理 HMAC 密钥允许任何可访问源的人都能查看它，所以会削弱函数的加密强度。
示例：下列代码使用硬编码密钥来计算 HMAC：
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret_key”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
示例：下列代码使用硬编码密钥来计算 HMAC：
...
DATA: lo_hmac TYPE Ref To cl_abap_hmac,
Input_string type string.
CALL METHOD cl_abap_hmac=>get_instance
EXPORTING
if_algorithm = 'SHA3'
if_key = 'secret_key'
RECEIVING
ro_object = lo_hmac.
" update HMAC with input
lo_hmac->update( if_data = input_string ).
" finalise hmac
lo_digest->final( ).
...
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret_key”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
References
[1] RFC 2104 - HMAC: Keyed-Hashing for Message Authentication Internet Engineering Task Force (IETF)
[2] New Results on NMAC/HMAC when Instantiated with Popular Hash Functions Journal of Universal Computer Science (J.UCS)
[3] Standards Mapping - Common Weakness Enumeration CWE ID 321
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.7.1, Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 798
[37] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 798
[38] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.abap.key_management_hardcoded_hmac_key
Abstract
硬编码 HMAC 密钥可能会削弱系统安全性，一旦出现安全问题将无法轻易修正。
Explanation
采用硬编码处理 HMAC 密钥绝非一个好方法。HMAC 的加密强度依赖于密钥的保密性，后者用于计算和验证消息的身份验证值。采用硬编码处理 HMAC 密钥允许任何可访问源的人都能查看它，所以会削弱函数的加密强度。
示例：以下代码使用硬编码密钥来计算 HMAC：
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“hmacKey”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
示例：以下代码使用硬编码密钥来计算 HMAC：
...
using (HMAC hmac = HMAC.Create("HMACSHA512"))
{
string hmacKey = "lakdsljkalkjlksdfkl";
byte[] keyBytes = Encoding.ASCII.GetBytes(hmacKey);
hmac.Key = keyBytes;
...
}
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“hmacKey”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
References
[1] RFC 2104 - HMAC: Keyed-Hashing for Message Authentication Internet Engineering Task Force (IETF)
[2] New Results on NMAC/HMAC when Instantiated with Popular Hash Functions Journal of Universal Computer Science (J.UCS)
[3] Standards Mapping - Common Weakness Enumeration CWE ID 321
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.7.1, Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 798
[37] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 798
[38] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.semantic.dotnet.key_management_hardcoded_hmac_key
Abstract
硬编码 HMAC 密钥可能会削弱系统安全性，一旦出现安全问题将无法轻易修正。
Explanation
绝对不要对 HMAC 密钥进行硬编码。HMAC 的加密强度依赖于密钥的保密性，后者用于计算和验证消息的身份验证值。采用硬编码处理 HMAC 密钥允许任何可访问源的人都能查看它，所以会削弱函数的加密强度。
示例 1：下列代码使用硬编码密钥来计算 HMAC：
此代码会成功运行，但有权访问该来源的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则无法更改硬编码的 HMAC 密钥“secret”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
示例 1：下列代码使用硬编码密钥来计算 HMAC：
import "crypto/hmac"
...
hmac.New(sha256.New, []byte("secret"))
...
此代码会成功运行，但有权访问该来源的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则无法更改硬编码的 HMAC 密钥“secret”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
References
[1] RFC 2104 - HMAC: Keyed-Hashing for Message Authentication Internet Engineering Task Force (IETF)
[2] New Results on NMAC/HMAC when Instantiated with Popular Hash Functions Journal of Universal Computer Science (J.UCS)
[3] Standards Mapping - Common Weakness Enumeration CWE ID 321
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.7.1, Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 798
[37] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 798
[38] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.golang.key_management_hardcoded_hmac_key
Abstract
硬编码 HMAC 密钥可能会削弱系统安全性，一旦出现安全问题将无法轻易修正。
Explanation
采用硬编码处理 HMAC 密钥绝非一个好方法。HMAC 的加密强度依赖于密钥的保密性，后者用于计算和验证消息的身份验证值。采用硬编码处理 HMAC 密钥允许任何可访问源的人都能查看它，所以会削弱函数的加密强度。
示例：下列代码使用硬编码密钥来计算 HMAC：
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“hmacKey”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
示例：下列代码使用硬编码密钥来计算 HMAC：
...
private static String hmacKey = "lakdsljkalkjlksdfkl";
byte[] keyBytes = hmacKey.getBytes();
...
SecretKeySpec key = new SecretKeySpec(keyBytes, "SHA1");
Mac hmac = Mac.getInstance("HmacSHA1");
hmac.init(key);
...
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“hmacKey”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
References
[1] RFC 2104 - HMAC: Keyed-Hashing for Message Authentication Internet Engineering Task Force (IETF)
[2] New Results on NMAC/HMAC when Instantiated with Popular Hash Functions Journal of Universal Computer Science (J.UCS)
[3] MSC03-J. Never hard code sensitive information CERT
[4] Standards Mapping - Common Weakness Enumeration CWE ID 321
[5] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[9] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[10] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450
[11] Standards Mapping - FIPS200 IA
[12] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[13] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1)
[14] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection
[15] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[16] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[17] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[18] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[19] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[20] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[22] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[24] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[32] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.7.1, Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[36] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[37] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 798
[38] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 798
[39] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[46] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[59] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II
[60] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.semantic.java.key_management_hardcoded_hmac_key
Abstract
硬编码 HMAC 密钥可能会削弱系统安全性，一旦出现安全问题将无法轻易修正。
Explanation
采用硬编码处理 HMAC 密钥绝非一个好方法。HMAC 的加密强度依赖于密钥的保密性，后者用于计算和验证消息的身份验证值。对 HMAC 密钥进行硬编码会使任何有权访问源的人都可以使用它，从而破坏该函数的加密强度。
示例：下列代码使用硬编码密钥来计算 HMAC：
此代码会成功运行，但有权访问它的任何人都能获得 HMAC 密钥的访问权。一旦程序发布，除非修补该程序，否则可能无法更改硬编码
示例：下列代码使用硬编码密钥来计算 HMAC：
const hmacKey = "a secret";
const hmac = createHmac('sha256', hmacKey);
hmac.update(data);
...
此代码会成功运行，但有权访问它的任何人都能获得 HMAC 密钥的访问权。一旦程序发布，除非修补该程序，否则可能无法更改硬编码
hmacKey。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 321
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450
[8] Standards Mapping - FIPS200 IA
[9] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[13] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[14] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[15] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[16] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[17] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[18] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[19] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[20] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[21] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.7.1, Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[33] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[34] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 798
[35] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 798
[36] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II
[57] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.javascript.key_management_hardcoded_hmac_key
Abstract
硬编码 HMAC 密钥可能会削弱系统安全性，一旦出现安全问题将无法轻易修正。
Explanation
采用硬编码处理 HMAC 密钥绝非一个好方法。HMAC 的加密强度依赖于密钥的保密性，后者用于计算和验证消息的身份验证值。采用硬编码处理 HMAC 密钥允许任何可访问源的人都能查看它，所以会削弱函数的加密强度。
示例：下列代码使用硬编码密钥来计算 HMAC：
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
示例：下列代码使用硬编码密钥来计算 HMAC：
...
CCHmac(kCCHmacAlgSHA256, "secret", 6, plaintext, plaintextLen, &output);
...
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
References
[1] RFC 2104 - HMAC: Keyed-Hashing for Message Authentication Internet Engineering Task Force (IETF)
[2] New Results on NMAC/HMAC when Instantiated with Popular Hash Functions Journal of Universal Computer Science (J.UCS)
[3] Standards Mapping - Common Weakness Enumeration CWE ID 321
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.7.1, Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 798
[37] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 798
[38] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.objc.key_management_hardcoded_hmac_key
Abstract
硬编码 HMAC 密钥可能会削弱系统安全性，一旦出现安全问题将无法轻易修正。
Explanation
采用硬编码处理 HMAC 密钥绝非一个好方法。HMAC 的加密强度依赖于密钥的保密性，后者用于计算和验证消息的身份验证值。采用硬编码处理 HMAC 密钥允许任何可访问源的人都能查看它，所以会削弱函数的加密强度。
例 1：下列代码使用硬编码密钥来计算 HMAC：
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
例 1：下列代码使用硬编码密钥来计算 HMAC：
import hmac
...
mac = hmac.new("secret", plaintext).hexdigest()
...
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
References
[1] RFC 2104 - HMAC: Keyed-Hashing for Message Authentication Internet Engineering Task Force (IETF)
[2] New Results on NMAC/HMAC when Instantiated with Popular Hash Functions Journal of Universal Computer Science (J.UCS)
[3] Standards Mapping - Common Weakness Enumeration CWE ID 321
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.7.1, Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 798
[37] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 798
[38] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.python.key_management_hardcoded_hmac_key
Abstract
硬编码 HMAC 密钥可能会削弱系统安全性，一旦出现安全问题将无法轻易修正。
Explanation
采用硬编码处理 HMAC 密钥绝非一个好方法。HMAC 的加密强度依赖于密钥的保密性，后者用于计算和验证消息的身份验证值。采用硬编码处理 HMAC 密钥允许任何可访问源的人都能查看它，所以会削弱函数的加密强度。
示例：下列代码使用硬编码密钥来计算 HMAC：
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret_key”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
示例：下列代码使用硬编码密钥来计算 HMAC：
...
digest = OpenSSL::HMAC.digest('sha256', 'secret_key', data)
...
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret_key”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
References
[1] RFC 2104 - HMAC: Keyed-Hashing for Message Authentication Internet Engineering Task Force (IETF)
[2] New Results on NMAC/HMAC when Instantiated with Popular Hash Functions Journal of Universal Computer Science (J.UCS)
[3] Standards Mapping - Common Weakness Enumeration CWE ID 321
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.7.1, Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 798
[37] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 798
[38] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.ruby.key_management_hardcoded_hmac_key
Abstract
硬编码 HMAC 密钥可能会削弱系统安全性，一旦出现安全问题将无法轻易修正。
Explanation
采用硬编码处理 HMAC 密钥绝非一个好方法。HMAC 的加密强度依赖于密钥的保密性，后者用于计算和验证消息的身份验证值。采用硬编码处理 HMAC 密钥允许任何可访问源的人都能查看它，所以会削弱函数的加密强度。
示例：以下代码使用硬编码密钥来计算 HMAC：
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
示例：以下代码使用硬编码密钥来计算 HMAC：
...
CCHmac(UInt32(kCCHmacAlgSHA256), "secret", 6, plaintext, plaintextLen, &output)
...
此代码将成功运行，但有权访问该代码的任何人都能获得此 HMAC 密钥。一旦程序发布，除非修补该程序，否则可能无法更改硬编码的 HMAC 密钥“secret”。心怀不轨的雇员可以利用手中掌握的信息访问权限破坏 HMAC 函数。
References
[1] RFC 2104 - HMAC: Keyed-Hashing for Message Authentication Internet Engineering Task Force (IETF)
[2] New Results on NMAC/HMAC when Instantiated with Popular Hash Functions Journal of Universal Computer Science (J.UCS)
[3] Standards Mapping - Common Weakness Enumeration CWE ID 321
[4] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002450
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-12 Cryptographic Key Establishment and Management (P1), SC-13 Cryptographic Protection (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-12 Cryptographic Key Establishment and Management, SC-13 Cryptographic Protection
[14] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.9.1 Cryptographic Software and Devices Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 2.10.4 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.2.1 Algorithms (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 6.4.2 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[15] Standards Mapping - OWASP Mobile 2014 M6 Broken Cryptography
[16] Standards Mapping - OWASP Mobile 2024 M10 Insufficient Cryptography
[17] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CRYPTO-2
[18] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[19] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[20] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[22] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.7.1, Requirement 6.2.4, Requirement 6.5.3, Requirement 6.5.6
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 7.2 - Use of Cryptography
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 7.2 - Use of Cryptography, Control Objective B.2.3 - Terminal Software Design
[35] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[36] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 798
[37] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 798
[38] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002010 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002010 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002010 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002010 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002010 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002010 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002010 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002010 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002010 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002010 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002010 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002010 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002010 CAT II
[58] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002010 CAT II
[59] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
desc.structural.swift.key_management_hardcoded_hmac_key