(*cbc)(in,out-16,residue,key,ivec,1);
memcpy(out,tmp.c,residue);
#else
- {
- size_t n;
- for (n=0; n<16; n+=sizeof(size_t))
- *(size_t *)(tmp.c+n) = 0;
+ memset(tmp.c,0,sizeof(tmp));
memcpy(tmp.c,in,residue);
- }
memcpy(out,out-16,residue);
(*cbc)(tmp.c,out-16,16,key,ivec,1);
#endif
#if defined(CBC_HANDLES_TRUNCATED_IO)
(*cbc)(in,out-16+residue,residue,key,ivec,1);
#else
- {
- size_t n;
- for (n=0; n<16; n+=sizeof(size_t))
- *(size_t *)(tmp.c+n) = 0;
+ memset(tmp.c,0,sizeof(tmp));
memcpy(tmp.c,in,residue);
- }
(*cbc)(tmp.c,out-16+residue,16,key,ivec,1);
#endif
return len+residue;
(*block)(in,tmp.c+16,key);
- for (n=0; n<16; n+=sizeof(size_t))
- *(size_t *)(tmp.c+n) = *(size_t *)(tmp.c+16+n);
+ memcpy(tmp.c,tmp.c+16,16);
memcpy(tmp.c,in+16,residue);
(*block)(tmp.c,tmp.c,key);
(*block)(in+residue,tmp.c+16,key);
- for (n=0; n<16; n+=sizeof(size_t))
- *(size_t *)(tmp.c+n) = *(size_t *)(tmp.c+16+n);
+ memcpy(tmp.c,tmp.c+16,16);
memcpy(tmp.c,in,residue);
(*block)(tmp.c,tmp.c,key);
size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc)
-{ size_t residue, n;
+{ size_t residue;
union { size_t align; unsigned char c[32]; } tmp;
assert (in && out && key && ivec);
out += len;
}
- for (n=16; n<32; n+=sizeof(size_t))
- *(size_t *)(tmp.c+n) = 0;
+ memset(tmp.c,0,sizeof(tmp));
/* this places in[16] at &tmp.c[16] and decrypted block at &tmp.c[0] */
(*cbc)(in,tmp.c,16,key,tmp.c+16,0);
size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc)
-{ size_t residue, n;
+{ size_t residue;
union { size_t align; unsigned char c[32]; } tmp;
assert (in && out && key && ivec);
out += len;
}
- for (n=16; n<32; n+=sizeof(size_t))
- *(size_t *)(tmp.c+n) = 0;
+ memset(tmp.c,0,sizeof(tmp));
/* this places in[16] at &tmp.c[16] and decrypted block at &tmp.c[0] */
(*cbc)(in+residue,tmp.c,16,key,tmp.c+16,0);