title: PKCS - Public Key Cryptography Standards categories: [cheatsheets]

tags: [crypto]

Overview Public Key Cryptography Standards

PKCS #1

RSA Encryption. Version 1.5, November 1993.

Version 2.0: (PKCS #1 v1.5 is specified here)

RFC: https://tools.ietf.org/html/rfc2437

Version 2.1:

RFC: https://tools.ietf.org/html/rfc3447

PKCS #5

Password-Based Cryptography Specification, Version 2.1, January 2017.

RFC: https://tools.ietf.org/html/rfc8018

PKCS #6

Extended-Certificate Syntax. Version 1.5, November 1993.

PKCS #7

Cryptographic Message Syntax (CMS).

including Byte-Padding (#section-6.3)

RFC: https://tools.ietf.org/html/rfc5652

PKCS #9

Selected Attribute Types. Version 1.1, November 1993.

RFC: https://tools.ietf.org/html/rfc2985