diff options
| -rw-r--r-- | src/crypto/chacha20poly1305.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/crypto/chacha20poly1305.c b/src/crypto/chacha20poly1305.c index 353cdf9..c066d93 100644 --- a/src/crypto/chacha20poly1305.c +++ b/src/crypto/chacha20poly1305.c @@ -536,7 +536,7 @@ static inline void poly1305_emit(void *ctx, u8 mac[16], const u32 nonce[4], bool static void poly1305_update(struct poly1305_ctx *ctx, const u8 *inp, size_t len, bool have_simd) { - const size_t num = ctx->num; + const size_t num = ctx->num % POLY1305_BLOCK_SIZE; size_t rem; if (num) { @@ -570,7 +570,7 @@ static void poly1305_update(struct poly1305_ctx *ctx, const u8 *inp, size_t len, static void poly1305_finish(struct poly1305_ctx *ctx, u8 mac[16], bool have_simd) { - size_t num = ctx->num; + size_t num = ctx->num % POLY1305_BLOCK_SIZE; if (num) { ctx->data[num++] = 1; /* pad bit */ |