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Pkcs

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Pkcs

In IETF and the PKIX working-group.

PKCS Standards Summary
Version Name Comments
PKCS #1 2.2 RSA Cryptography Standard[1] See RFC 3447. Defines the mathematical properties and format of RSA public and private keys (ASN.1-encoded in clear-text), and the basic algorithms and encoding/padding schemes for performing RSA encryption, decryption, and producing and verifying signatures.
PKCS #2 - Withdrawn No longer active as of 2010. Covered RSA encryption of message digests; subsequently merged into PKCS #1.
PKCS #3 1.4 Diffie–Hellman Key Agreement Standard[2] A cryptographic protocol that allows two parties that have no prior knowledge of each other to jointly establish a shared secret key over an insecure communications channel.
PKCS #4 - Withdrawn No longer active as of 2010. Covered RSA key syntax; subsequently merged into PKCS #1.
PKCS #5 2.0 Password-based Encryption Standard[3] See RFC 2898 and PBKDF2.
PKCS #6 1.5 Extended-Certificate Syntax Standard[4] Defines extensions to the old v1 X.509 certificate specification. Obsoleted by v3 of the same.
PKCS #7 1.5 Cryptographic Message Syntax Standard[5] See RFC 2315. Used to sign and/or encrypt messages under a PKI. Used also for certificate dissemination (for instance as a response to a PKCS#10 message). Formed the basis for S/MIME, which is as of 2010 based on RFC 5652, an updated Cryptographic Message Syntax Standard (CMS). Often used for single sign-on.
PKCS #8 1.2 Private-Key Information Syntax Standard[6] See RFC 5958. Used to carry private certificate keypairs (encrypted or unencrypted).
PKCS #9 2.0 Selected Attribute Types[7] See RFC 2985. Defines selected attribute types for use in PKCS #6 extended certificates, PKCS #7 digitally signed messages, PKCS #8 private-key information, and PKCS #10 certificate-signing requests.
PKCS #10 1.7 Certification Request Standard[8] See RFC 2986. Format of messages sent to a certification authority to request certification of a public key. See certificate signing request.
PKCS #11 2.30 Cryptographic Token Interface[9] Also known as "Cryptoki". An API defining a generic interface to cryptographic tokens (see also Hardware Security Module). Often used in single sign-on, public-key cryptography and disk encryption[10] systems. RSA Security has turned over further development of the PKCS#11 standard to the OASIS PKCS 11 Technical Committee.
PKCS #12 1.1 Personal Information Exchange Syntax Standard[11] See RFC 7292. Defines a file format commonly used to store private keys with accompanying public key certificates, protected with a password-based symmetric key. PFX is a predecessor to PKCS #12.

This container format can contain multiple embedded objects, such as multiple certificates. Usually protected/encrypted with a password. Usable as a format for the Java key store and to establish client authentication certificates in Mozilla Firefox. Usable by Apache Tomcat.

PKCS #13 Elliptic Curve Cryptography Standard (Apparently abandoned, only reference is a proposal from 1998.)[12]
PKCS #14 Pseudo-random Number Generation (Apparently abandoned, no documents exist.)
PKCS #15 1.1 Cryptographic Token Information Format Standard[13] Defines a standard allowing users of cryptographic tokens to identify themselves to applications, independent of the application's Cryptoki implementation (PKCS #11) or other API. RSA has relinquished IC-card-related parts of this standard to ISO/IEC 7816-15.[14]

See also

References

  1. ^ "PKCS #1: RSA Cryptography Standard". RSA Laboratories. 
  2. ^ "PKCS #3: Diffie-Hellman Key Agreement Standard". RSA Laboratories. 
  3. ^ "PKCS #5: Password-Based Cryptography Standard". RSA Laboratories. 
  4. ^ "PKCS #6: Extended-Certificate Syntax Standard". RSA Laboratories. 
  5. ^ "PKCS #7: Cryptographic Message Syntax Standard". RSA Laboratories. 
  6. ^ "PKCS #8: Private-Key Information Syntax Standard". RSA Laboratories. 
  7. ^ "PKCS #9: Selected Attribute Types". RSA Laboratories. 
  8. ^ "PKCS #10: Certification Request Syntax Standard". RSA Laboratories. 
  9. ^ "PKCS #11: Cryptographic Token Interface Standard". RSA Laboratories. 
  10. ^ Security Token/Smartcard Support in FreeOTFE
  11. ^ "PKCS #12: Personal Information Exchange Syntax Standard". RSA Laboratories. 
  12. ^ "PKCS #13: Elliptic Curve Cryptography Standard". RSA Laboratories. 
  13. ^ "PKCS #15: Cryptographic Token Information Format Standard". RSA Laboratories. 
  14. ^ RSA Laboratories: "PKCS #15: Cryptographic Token Information Format Standard".
General
  • Jean-Sébastien Coron, Marc Joye,  

External links

  • RSA Security's page on PKCS
    • What is PKCS? (chapter 5.3.3 of PKCS)
    • About PKCS (appendix G from RFC 3447)
    • OASIS PKCS 11 TC (technical committee home page)
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