diff options
Diffstat (limited to 'crypto/modes/cbc128.c')
| -rw-r--r-- | crypto/modes/cbc128.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/crypto/modes/cbc128.c b/crypto/modes/cbc128.c index eec44bd91a..ba765626ee 100644 --- a/crypto/modes/cbc128.c +++ b/crypto/modes/cbc128.c @@ -15,6 +15,12 @@ # define STRICT_ALIGNMENT 0 #endif +#if defined(__GNUC__) && !STRICT_ALIGNMENT +typedef size_t size_t_aX __attribute((__aligned__(1))); +#else +typedef size_t size_t_aX; +#endif + void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out, size_t len, const void *key, unsigned char ivec[16], block128_f block) @@ -40,8 +46,8 @@ void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out, } else { while (len >= 16) { for (n = 0; n < 16; n += sizeof(size_t)) - *(size_t *)(out + n) = - *(size_t *)(in + n) ^ *(size_t *)(iv + n); + *(size_t_aX *)(out + n) = + *(size_t_aX *)(in + n) ^ *(size_t_aX *)(iv + n); (*block) (out, out, key); iv = out; len -= 16; @@ -96,7 +102,8 @@ void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out, } } else if (16 % sizeof(size_t) == 0) { /* always true */ while (len >= 16) { - size_t *out_t = (size_t *)out, *iv_t = (size_t *)iv; + size_t_aX *out_t = (size_t_aX *)out; + size_t_aX *iv_t = (size_t_aX *)iv; (*block) (in, out, key); for (n = 0; n < 16 / sizeof(size_t); n++) @@ -125,8 +132,10 @@ void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out, } } else if (16 % sizeof(size_t) == 0) { /* always true */ while (len >= 16) { - size_t c, *out_t = (size_t *)out, *ivec_t = (size_t *)ivec; - const size_t *in_t = (const size_t *)in; + size_t c; + size_t_aX *out_t = (size_t_aX *)out; + size_t_aX *ivec_t = (size_t_aX *)ivec; + const size_t_aX *in_t = (const size_t_aX *)in; (*block) (in, tmp.c, key); for (n = 0; n < 16 / sizeof(size_t); n++) { |