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RFC 4634, "US Secure Hash Algorithms (SHA and HMAC-SHA)", July 2006

Note: This RFC has been obsoleted by RFC 6234

Source of RFC: IETF - NON WORKING GROUP
Area Assignment: sec

Errata ID: 2423
Status: Held for Document Update
Type: Technical
Publication Format(s) : TEXT

Reported By: Alfred Hoenes
Date Reported: 2006-08-13
Held for Document Update by: Sean Turner
Date Held: 2010-08-06

Section 8.2.2 says:

The comment text, near the bottom of page 33, says:

 * Caveats:
 *   SHA-224 and SHA-256 are designed to work with messages less
 *   than 2^64 bits long. This implementation uses SHA224/256Input()
 *   to hash the bits that are a multiple of the size of an 8-bit
 *   character, and then uses SHA224/256FinalBits() to hash the
 *   final few bits of the input.

It should better say -- cf. item (6) above:

 * Caveats:
 *   SHA-224 and SHA-256 are designed to work with messages less
 *   than 2^64 bits long. This implementation uses SHA224/256Input()
 *   to hash the bits that are a multiple of the size of an 8-bit
|*   character, and then optionally uses SHA224/256FinalBits()
 *   to hash the final few bits of the input.

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