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* cipher/gost-s-box.c (gost_sbox): define if keymeshing should be
enabled or not.
(main): output whether we should enable or disable keymeshing for a
particular parameters set.
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RFC 4357 defines CryptoPro keymeshing that should be applied depending
on selected S-BOX (param set). Declare if particular S-BOX should enable
or disable CryptoPro KeyMeshing.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
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* cipher/gost-s-box.c (gost_sboxes): Rename TC26_A to TC26_Z as it is
the name that ended up in all standards.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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* cipher/gost-s-box.c: CryptoPro_B s-box missed one line, resulting in
incorrect encryption/decryption using that s-box. Add missing data.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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* cipher/gost-s-box.c: New. Outputs optimized expanded representation of
s-boxes (4x256) from compact 16x8 representation.
* cipher/Makefile.am: Add gost-sb.h dependency to gost28147.lo
* cipher/gost.h: Add sbox to the GOST28147_context structure.
* cipher/gost28147.c (gost_setkey): Set default s-box to test s-box from
GOST R 34.11 (this was the only one S-box before).
* cipher/gost28147.c (gost_val): Use sbox from the context.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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