diff options
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/modes/gcm128.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/crypto/modes/gcm128.c b/crypto/modes/gcm128.c index 138d440406..253746c569 100644 --- a/crypto/modes/gcm128.c +++ b/crypto/modes/gcm128.c @@ -847,7 +847,11 @@ void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx,const unsigned char *iv,size_t len) GCM_MUL(ctx,Yi); if (is_endian.little) +#ifdef BSWAP4 + ctr = BSWAP4(ctx->Yi.d[3]); +#else ctr = GETU32(ctx->Yi.c+12); +#endif else ctr = ctx->Yi.d[3]; } @@ -855,7 +859,11 @@ void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx,const unsigned char *iv,size_t len) (*ctx->block)(ctx->Yi.c,ctx->EK0.c,ctx->key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; } @@ -950,7 +958,11 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx, } if (is_endian.little) +#ifdef BSWAP4 + ctr = BSWAP4(ctx->Yi.d[3]); +#else ctr = GETU32(ctx->Yi.c+12); +#endif else ctr = ctx->Yi.d[3]; @@ -984,7 +996,11 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; for (i=0; i<16/sizeof(size_t); ++i) @@ -1006,7 +1022,11 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; for (i=0; i<16/sizeof(size_t); ++i) @@ -1025,7 +1045,11 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; for (i=0; i<16/sizeof(size_t); ++i) @@ -1041,7 +1065,11 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; while (len--) { @@ -1059,7 +1087,11 @@ int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; } @@ -1103,7 +1135,11 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx, } if (is_endian.little) +#ifdef BSWAP4 + ctr = BSWAP4(ctx->Yi.d[3]); +#else ctr = GETU32(ctx->Yi.c+12); +#endif else ctr = ctx->Yi.d[3]; @@ -1140,7 +1176,11 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; for (i=0; i<16/sizeof(size_t); ++i) @@ -1160,7 +1200,11 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; for (i=0; i<16/sizeof(size_t); ++i) @@ -1178,7 +1222,11 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; for (i=0; i<16/sizeof(size_t); ++i) { @@ -1196,7 +1244,11 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; while (len--) { @@ -1217,7 +1269,11 @@ int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx, (*block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; } @@ -1262,7 +1318,11 @@ int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx, } if (is_endian.little) +#ifdef BSWAP4 + ctr = BSWAP4(ctx->Yi.d[3]); +#else ctr = GETU32(ctx->Yi.c+12); +#endif else ctr = ctx->Yi.d[3]; @@ -1284,7 +1344,11 @@ int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx, (*stream)(in,out,GHASH_CHUNK/16,key,ctx->Yi.c); ctr += GHASH_CHUNK/16; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; GHASH(ctx,out,GHASH_CHUNK); @@ -1299,7 +1363,11 @@ int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx, (*stream)(in,out,j,key,ctx->Yi.c); ctr += (unsigned int)j; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; in += i; @@ -1319,7 +1387,11 @@ int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx, (*ctx->block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; while (len--) { @@ -1361,7 +1433,11 @@ int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx, } if (is_endian.little) +#ifdef BSWAP4 + ctr = BSWAP4(ctx->Yi.d[3]); +#else ctr = GETU32(ctx->Yi.c+12); +#endif else ctr = ctx->Yi.d[3]; @@ -1386,7 +1462,11 @@ int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx, (*stream)(in,out,GHASH_CHUNK/16,key,ctx->Yi.c); ctr += GHASH_CHUNK/16; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; out += GHASH_CHUNK; @@ -1412,7 +1492,11 @@ int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx, (*stream)(in,out,j,key,ctx->Yi.c); ctr += (unsigned int)j; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; out += i; @@ -1423,7 +1507,11 @@ int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx, (*ctx->block)(ctx->Yi.c,ctx->EKi.c,key); ++ctr; if (is_endian.little) +#ifdef BSWAP4 + ctx->Yi.d[3] = BSWAP4(ctr); +#else PUTU32(ctx->Yi.c+12,ctr); +#endif else ctx->Yi.d[3] = ctr; while (len--) { |