diff options
Diffstat (limited to 'crypto/modes/ccm128.c')
| -rw-r--r-- | crypto/modes/ccm128.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/crypto/modes/ccm128.c b/crypto/modes/ccm128.c index 424722811c16..655b10350201 100644 --- a/crypto/modes/ccm128.c +++ b/crypto/modes/ccm128.c @@ -1,5 +1,5 @@ /* - * Copyright 2011-2019 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2011-2020 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -11,6 +11,14 @@ #include "modes_local.h" #include <string.h> +#ifndef STRICT_ALIGNMENT +# ifdef __GNUC__ +typedef u64 u64_a1 __attribute((__aligned__(1))); +# else +typedef u64 u64_a1; +# endif +#endif + /* * First you setup M and L parameters and pass the key schedule. This is * called once per session setup... @@ -170,8 +178,8 @@ int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, ctx->cmac.u[0] ^= temp.u[0]; ctx->cmac.u[1] ^= temp.u[1]; #else - ctx->cmac.u[0] ^= ((u64 *)inp)[0]; - ctx->cmac.u[1] ^= ((u64 *)inp)[1]; + ctx->cmac.u[0] ^= ((u64_a1 *)inp)[0]; + ctx->cmac.u[1] ^= ((u64_a1 *)inp)[1]; #endif (*block) (ctx->cmac.c, ctx->cmac.c, key); (*block) (ctx->nonce.c, scratch.c, key); @@ -181,8 +189,8 @@ int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, temp.u[1] ^= scratch.u[1]; memcpy(out, temp.c, 16); #else - ((u64 *)out)[0] = scratch.u[0] ^ ((u64 *)inp)[0]; - ((u64 *)out)[1] = scratch.u[1] ^ ((u64 *)inp)[1]; + ((u64_a1 *)out)[0] = scratch.u[0] ^ ((u64_a1 *)inp)[0]; + ((u64_a1 *)out)[1] = scratch.u[1] ^ ((u64_a1 *)inp)[1]; #endif inp += 16; out += 16; @@ -254,8 +262,10 @@ int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx, ctx->cmac.u[1] ^= (scratch.u[1] ^= temp.u[1]); memcpy(out, scratch.c, 16); #else - ctx->cmac.u[0] ^= (((u64 *)out)[0] = scratch.u[0] ^ ((u64 *)inp)[0]); - ctx->cmac.u[1] ^= (((u64 *)out)[1] = scratch.u[1] ^ ((u64 *)inp)[1]); + ctx->cmac.u[0] ^= (((u64_a1 *)out)[0] + = scratch.u[0] ^ ((u64_a1 *)inp)[0]); + ctx->cmac.u[1] ^= (((u64_a1 *)out)[1] + = scratch.u[1] ^ ((u64_a1 *)inp)[1]); #endif (*block) (ctx->cmac.c, ctx->cmac.c, key); |