RFC 5830, "GOST 28147-89: Encryption, Decryption, and Message Authentication Code (MAC) Algorithms", March 2010

Note: This RFC has been updated by RFC 8891

Errata ID: 2146
Status: Verified
Type: Editorial
Publication Format(s) : TEXT
Reported By: Nikolai Malykh
Date Reported: 2010-04-09
Verifier Name: Nevil Brownlee
Date Verified: 2013-03-12

Section 7.1 says:

   The initial filling of N1 and N2 is encrypted in the electronic
   codebook mode in accordance with the requirements in section 6.1.  If
   resulting encrypted filling N1 and N2 is the first 64-bit block of
   the running key Gc(1)=A(S), then this block is added bitwise modulo 2
   with the first 64-bit block of plain text Tp(1) = (t1(1), t2(1), ...,
   t64(1)).

It should say:

   The initial filling of N1 and N2 is encrypted in the electronic
   codebook mode in accordance with the requirements in section 5.1.  If
   resulting encrypted filling N1 and N2 is the first 64-bit block of
   the running key Gc(1)=A(S), then this block is added bitwise modulo 2
   with the first 64-bit block of plain text Tp(1) = (t1(1), t2(1), ...,
   t64(1)).

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