PKCS#10 Certificate Signing Request (CSR) is a file-format used for requesting certification from a CA. The CSR test suite can be used for testing robustness, security and reliability of implementations capable of parsing the CSR files.
PKCS #10: Certification Request Syntax Specification Version 1.7
Public-Key Cryptography Standards (PKCS) #1: RSA Cryptography Specifications Version 2.1
RSA-SHA1
RSA-SHA256
RSA-SHA384
RSA-SHA512
RSA-MD5