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

Source of RFC: INDEPENDENT

Errata ID: 2135
Status: Verified
Type: Editorial

Reported By: Nikolai Malykh
Date Reported: 2010-04-08
Verifier Name: Nevil Brownlee
Date Verified: 2013-03-12

Section 7.1 says:

   The plain text is divided into 64-bit blocks Tp(1), Tp(2), ..., Tp(M)
   and encrypted in the cipher feedback mode by bitwise addition modulo
   2 in the adder CM5 with the running key Gc generated in 64-bit
   blocks, i.e., Gc(i)=(Gc(1), Gc(2), ..., Gc(M)), where M is defined by
                                                                   ___
   the length of the plain text, Gc(i) is the i-th 64-bit block, i=1,M.
   The number of bits in the block Tp(M) may be less than 64.

It should say:

   The plain text is divided into 64-bit blocks Tp(1), Tp(2), ..., Tp(M)
   and encrypted in the cipher feedback mode by bitwise addition modulo
   2 in the adder CM5 with the running key Gc generated in 64-bit
   blocks, i.e., Gc(i)=(Gc(1), Gc(2), ..., Gc(M)), where M is defined by
   the length of the plain text, Gc(i) is the i-th 64-bit block, i=1,M.
   The number of bits in the block Tp(M) may be less than 64.

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