Anthropic-Cybersecurity-Skills/skills/implementing-rsa-key-pair-management/references/standards.md

Standards and References - RSA Key Pair Management

Primary Standards

NIST FIPS 186-5 - Digital Signature Standard (DSS)

• URL: https://csrc.nist.gov/publications/detail/fips/186/5/final
• Description: Specifies RSA digital signature generation and verification
• RSA minimum: 2048-bit keys

RFC 8017 - PKCS #1: RSA Cryptography Specifications Version 2.2

• URL: https://www.rfc-editor.org/rfc/rfc8017
• Description: Defines RSA key formats, OAEP encryption, and PSS signatures
• Key operations: RSAEP, RSADP, RSASP1, RSAVP1

RFC 5958 - Asymmetric Key Packages (PKCS#8 v2)

• URL: https://www.rfc-editor.org/rfc/rfc5958
• Description: Private key information syntax for storage

RFC 7468 - Textual Encodings of PKIX, PKCS, and CMS Structures

• URL: https://www.rfc-editor.org/rfc/rfc7468
• Description: PEM encoding format specification

NIST SP 800-57 Part 1 Rev. 5 - Key Management

• URL: https://csrc.nist.gov/publications/detail/sp/800-57-part-1/rev-5/final
• Description: Key length recommendations and lifecycle management
• RSA 2048: Acceptable through 2030
• RSA 3072+: Recommended for beyond 2030

NIST SP 800-131A Rev. 2 - Transitioning Cryptographic Algorithms

• URL: https://csrc.nist.gov/publications/detail/sp/800-131a/rev-2/final
• Description: Transition guidance for algorithm selection
• PKCS#1 v1.5 signatures: Legacy use only
• RSA-PSS: Recommended for all new applications

Python Library References

cryptography (pyca/cryptography)

• RSA Key Generation: cryptography.hazmat.primitives.asymmetric.rsa
• Serialization: cryptography.hazmat.primitives.serialization
• Signatures: cryptography.hazmat.primitives.asymmetric.padding
• Documentation: https://cryptography.io/en/latest/hazmat/primitives/asymmetric/rsa/