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PKCS #1: RSA Cryptography Specifications Version 2.0 (RFC2437)

IP.com Disclosure Number: IPCOM000003015D
Original Publication Date: 1998-Oct-01
Included in the Prior Art Database: 2019-Feb-11
Document File: 39 page(s) / 47K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

B. Kaliski: AUTHOR [+1]

Related Documents

10.17487/RFC2437: DOI

Abstract

This memo is the successor to RFC 2313. This document provides recommendations for the implementation of public-key cryptography based on the RSA algorithm. This memo provides information for the Internet community.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 6% of the total text.

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 [Page 1]

RFC 2437 PKCS #1: RSA Cryptography Specifications October 1998

8.1.2 Signature verification operation................21 9. Encoding methods................................22 9.1 Encoding methods for encryption.................22 9.1.1 EME-OAEP........................................22 9.1.2 EME-PKCS1-v1_5..................................24 9.2 Encoding methods for signatures with appendix...26 9.2.1 EMSA-PKCS1-v1_5.................................26 10. Auxiliary Functions.............................27 10.1 Hash Functions..................................27 10.2 Mask Generation Functions.......................28 10.2.1 MGF1............................................28 11. ASN.1 syntax....................................29 11.1 Key representation..............................29 11.1.1 Public-key syntax...............................30 11.1.2 Private-key syntax..............................30 11.2 Scheme identification...........................31 11.2.1 Syntax for RSAES-OAEP......

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