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This commit is contained in:
Frank Denis 2015-12-17 08:36:49 +01:00
parent 03973542c7
commit c84ba1d17a
1 changed files with 14 additions and 7 deletions
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11
src/libsodium/crypto_stream/chacha20/vec/stream_chacha20_vec.c
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@ -96,15 +96,22 @@ typedef struct chacha_ctx chacha_ctx;
static void
chacha_ivsetup(chacha_ctx *ctx, const uint8_t *iv, uint64_t ic)
{
uint32_t iv_low;
uint32_t iv_high;
memcpy(&iv_low, iv, 4);
memcpy(&iv_high, iv + 4, 4);
{
const vec s3 = {
(uint32_t) ic,
(uint32_t) (ic >> 32),
((const uint32_t *) (const void *) iv)[0],
((const uint32_t *) (const void *) iv)[1]
iv_low,
iv_high
};
ctx->s3 = s3;
}
}
static void
chacha_ietf_ivsetup(chacha_ctx *ctx, const uint8_t *iv, uint32_t ic)