RFC 2437 (rfc2437) - Page 1 of 39
PKCS #1: RSA Cryptography Specifications Version 2
Alternative Format: Original Text Document
Network Working Group B. Kaliski
Request for Comments: 2437 J. Staddon
Obsoletes: 2313 RSA Laboratories
Category: Informational October 1998
PKCS #1: RSA Cryptography Specifications
Version 2.0
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (1998). All Rights Reserved.
Table of Contents
1. Introduction.....................................2
1.1 Overview.........................................3
2. Notation.........................................3
3. Key types........................................5
3.1 RSA public key...................................5
3.2 RSA private key..................................5
4. Data conversion primitives.......................6
4.1 I2OSP............................................6
4.2 OS2IP............................................7
5. Cryptographic primitives.........................8
5.1 Encryption and decryption primitives.............8
5.1.1 RSAEP............................................8
5.1.2 RSADP............................................9
5.2 Signature and verification primitives...........10
5.2.1 RSASP1..........................................10
5.2.2 RSAVP1..........................................11
6. Overview of schemes.............................11
7. Encryption schemes..............................12
7.1 RSAES-OAEP......................................13
7.1.1 Encryption operation............................13
7.1.2 Decryption operation............................14
7.2 RSAES-PKCS1-v1_5................................15
7.2.1 Encryption operation............................17
7.2.2 Decryption operation............................17
8. Signature schemes with appendix.................18
8.1 RSASSA-PKCS1-v1_5...............................19
8.1.1 Signature generation operation..................20
Kaliski & Staddon Informational



