Public-Key Cryptography Standards (PKCS) #1: RSA Cryptography Specifications Version 2.1
Jakob Jönsson, Burton S. Kaliski · 2003
This memo represents a republication of PKCS #1 v2.1 from RSA Laboratories' Public-Key Cryptography Standards (PKCS) series, and change control is retained within the PKCS process. The body of this document is taken directly from the PKCS #1 v2.1 document, with certain corrections made during the publication process.