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Use CommonCrypto on OS X for AES

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This commit is contained in:
Steve Dee 2014-04-20 02:03:26 -07:00
parent 36133b61e5
commit 13ae1eee30
1 changed files with 48 additions and 14 deletions
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62
gen164/5/aesc.c
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@ -5,9 +5,11 @@
#include "all.h"
#include "../pit.h"
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#if defined(U2_OS_osx)
#include <CommonCrypto/CommonCryptor.h>
#else
#include <openssl/aes.h>
#endif
/* declarations
*/
@ -21,22 +23,38 @@
u2_atom a,
u2_atom b)
{
c3_y a_y[32];
c3_y b_y[16];
#if defined(U2_OS_osx)
size_t siz_i;
#else
AES_KEY key_u;
c3_y buf_y[32];
#endif
c3_assert(u2_cr_met(3, a) <= 32);
c3_assert(u2_cr_met(3, b) <= 16);
u2_cr_bytes(0, 32, buf_y, a);
if ( 0 != AES_set_encrypt_key(buf_y, 256, &key_u) ) {
u2_cr_bytes(0, 32, a_y, a);
u2_cr_bytes(0, 16, b_y, b);
#if defined(U2_OS_osx)
if ( kCCSuccess != CCCrypt(kCCEncrypt, kCCAlgorithmAES128,
kCCOptionECBMode, a_y, kCCKeySizeAES256, 0, b_y,
16, b_y, 16, &siz_i) ||
16 != siz_i )
{
return u2_bl_bail(wir_r, c3__exit);
}
#else
if ( 0 != AES_set_encrypt_key(a_y, 256, &key_u) ) {
return u2_bl_bail(wir_r, c3__exit);
}
else {
u2_cr_bytes(0, 16, buf_y, b);
AES_encrypt(buf_y, buf_y, &key_u);
AES_encrypt(b_y, b_y, &key_u);
}
#endif
return u2_ci_bytes(16, buf_y);
return u2_ci_bytes(16, b_y);
}
u2_weak
@ -61,22 +79,38 @@
u2_atom a,
u2_atom b)
{
c3_y a_y[32];
c3_y b_y[16];
#if defined(U2_OS_osx)
size_t siz_i;
#else
AES_KEY key_u;
c3_y buf_y[32];
#endif
c3_assert(u2_cr_met(3, a) <= 32);
c3_assert(u2_cr_met(3, b) <= 16);
u2_cr_bytes(0, 32, buf_y, a);
if ( 0 != AES_set_decrypt_key(buf_y, 256, &key_u) ) {
u2_cr_bytes(0, 32, a_y, a);
u2_cr_bytes(0, 16, b_y, b);
#if defined(U2_OS_osx)
if ( kCCSuccess != CCCrypt(kCCDecrypt, kCCAlgorithmAES128,
kCCOptionECBMode, a_y, kCCKeySizeAES256, 0, b_y,
16, b_y, 16, &siz_i) ||
16 != siz_i )
{
return u2_bl_bail(wir_r, c3__exit);
}
#else
if ( 0 != AES_set_decrypt_key(a_y, 256, &key_u) ) {
return u2_bl_bail(wir_r, c3__exit);
}
else {
u2_cr_bytes(0, 16, buf_y, b);
AES_decrypt(buf_y, buf_y, &key_u);
AES_decrypt(b_y, b_y, &key_u);
}
#endif
return u2_ci_bytes(16, buf_y);
return u2_ci_bytes(16, b_y);
}
u2_weak