diff options
Diffstat (limited to 'lib/nettle/gost/gost28147.c')
| -rw-r--r-- | lib/nettle/gost/gost28147.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/lib/nettle/gost/gost28147.c b/lib/nettle/gost/gost28147.c index da8ec9ef14..d6a278ab09 100644 --- a/lib/nettle/gost/gost28147.c +++ b/lib/nettle/gost/gost28147.c @@ -2470,13 +2470,13 @@ gost28147_cnt_crypt(struct gost28147_cnt_ctx *ctx, } } -void -gost28147_imit_init(struct gost28147_imit_ctx *ctx) +static void +_gost28147_imit_reinit(struct gost28147_imit_ctx *ctx) { - memset(ctx->state, 0, GOST28147_BLOCK_SIZE); + ctx->state[0] = 0; + ctx->state[1] = 0; ctx->index = 0; ctx->count = 0; - gost28147_set_param(&ctx->cctx, &gost28147_param_TC26_Z); /* Default */ } void @@ -2488,7 +2488,9 @@ gost28147_imit_set_key(struct gost28147_imit_ctx *ctx, assert(key); _gost28147_set_key(&ctx->cctx, key); - /* Do not reset param here */ + _gost28147_imit_reinit(ctx); + if (!ctx->cctx.sbox) + gost28147_set_param(&ctx->cctx, &gost28147_param_TC26_Z); } void @@ -2549,6 +2551,6 @@ gost28147_imit_digest(struct gost28147_imit_ctx *ctx, } _nettle_write_le32(length, digest, ctx->state); - gost28147_imit_init(ctx); + _gost28147_imit_reinit(ctx); } #endif |