diff options
-rw-r--r-- | ChangeLog | 10 | ||||
-rw-r--r-- | asm.m4 | 1 | ||||
-rw-r--r-- | poly1305-aes.c | 8 | ||||
-rw-r--r-- | poly1305.c | 6 | ||||
-rw-r--r-- | poly1305.h | 5 |
5 files changed, 16 insertions, 14 deletions
@@ -1,3 +1,13 @@ +2014-01-17 Niels Möller <nisse@lysator.liu.se> + + * poly1305.h (struct poly1305_ctx): Moved nonce field from here... + (struct poly1305_aes_ctx): ... to here. + * poly1305-aes.c (poly1305_aes_set_nonce, poly1305_aes_digest): + Updated for above. + * poly1305.c (poly1305_set_nonce): Deleted function. + * asm.m4: Delete nonce also from the assembly definition of struct + poly1305_ctx. + 2014-01-16 Niels Möller <nisse@lysator.liu.se> * poly1305-aes.c: Include poly1305.c. Rewrite functions without @@ -85,7 +85,6 @@ STRUCTURE(P1305) STRUCT(H2, 4) STRUCT(H0, 8) STRUCT(H1, 8) - STRUCT(NONCE, 16) STRUCT(BLOCK, 16) STRUCT(INDEX, 4) diff --git a/poly1305-aes.c b/poly1305-aes.c index 847bf34d..8a7d9d13 100644 --- a/poly1305-aes.c +++ b/poly1305-aes.c @@ -40,7 +40,7 @@ void poly1305_aes_set_nonce (struct poly1305_aes_ctx *ctx, const uint8_t * nonce) { - poly1305_set_nonce(&ctx->pctx, nonce); + memcpy (ctx->nonce, nonce, POLY1305_AES_NONCE_SIZE); } void @@ -48,8 +48,8 @@ poly1305_aes_digest (struct poly1305_aes_ctx *ctx, size_t length, uint8_t * digest) { uint8_t s[POLY1305_BLOCK_SIZE]; - aes128_encrypt(&ctx->aes, POLY1305_BLOCK_SIZE, s, ctx->pctx.nonce); + aes128_encrypt(&ctx->aes, POLY1305_BLOCK_SIZE, s, ctx->nonce); poly1305_digest (&ctx->pctx, length, digest, s); - INCREMENT (16, (ctx)->pctx.nonce); - (ctx)->pctx.index = 0; + INCREMENT (16, ctx->nonce); + ctx->pctx.index = 0; } @@ -29,12 +29,6 @@ #include "macros.h" void -poly1305_set_nonce (struct poly1305_ctx *ctx, const uint8_t * nonce) -{ - memcpy (ctx->nonce, nonce, 16); -} - -void poly1305_update (struct poly1305_ctx *ctx, size_t length, const uint8_t *data) { MD_UPDATE (ctx, length, data, poly1305_block, (void) 0); @@ -35,7 +35,6 @@ extern "C" { /* Name mangling */ #define poly1305_set_key nettle_poly1305_set_key -#define poly1305_set_nonce nettle_poly1305_set_nonce #define poly1305_update nettle_poly1305_update #define poly1305_block nettle_poly1305_block #define poly1305_digest nettle_poly1305_digest @@ -68,13 +67,11 @@ struct poly1305_ctx { uint64_t h64[2]; } h; - uint8_t nonce[POLY1305_BLOCK_SIZE]; uint8_t block[POLY1305_BLOCK_SIZE]; unsigned index; }; void poly1305_set_key(struct poly1305_ctx *ctx, const uint8_t key[POLY1305_KEY_SIZE]); -void poly1305_set_nonce (struct poly1305_ctx *ctx, const uint8_t * nonce); void poly1305_block (struct poly1305_ctx *ctx, const uint8_t m[POLY1305_BLOCK_SIZE]); void poly1305_update (struct poly1305_ctx *ctx, size_t size, const uint8_t *data); void poly1305_digest (struct poly1305_ctx *ctx, @@ -84,11 +81,13 @@ void poly1305_digest (struct poly1305_ctx *ctx, #define POLY1305_AES_KEY_SIZE 32 #define POLY1305_AES_DIGEST_SIZE 16 +#define POLY1305_AES_NONCE_SIZE 16 struct poly1305_aes_ctx { /* Must be first element, for the poly1305_aes_update cast to work. */ struct poly1305_ctx pctx; + uint8_t nonce[POLY1305_BLOCK_SIZE]; struct aes128_ctx aes; }; |