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SM4_RNG_Update增加异或

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Indawn
2022-12-27 18:55:27 +08:00
parent faba20a61f
commit 5b4622ae10
1 changed files with 3 additions and 0 deletions
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src/sm4_rng.c
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@@ -122,6 +122,9 @@ int sm4_rng_update(SM4_RNG *rng, const uint8_t seed[32])
be_incr(rng->V); be_incr(rng->V);
sm4_encrypt(&sm4_key, rng->V, rng->V); sm4_encrypt(&sm4_key, rng->V, rng->V);
memxor(rng->K, seed, 16);
memxor(rng->V, seed + 16, 16);
return 1; return 1;
} }