mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-21 05:41:43 +03:00
122 lines
2.3 KiB
C
122 lines
2.3 KiB
C
/* j/5/aes.c
|
|
**
|
|
*/
|
|
#include "all.h"
|
|
|
|
|
|
#if defined(U3_OS_osx)
|
|
#include <CommonCrypto/CommonCryptor.h>
|
|
#else
|
|
#include <openssl/aes.h>
|
|
#endif
|
|
|
|
/* functions
|
|
*/
|
|
u3_noun
|
|
u3qea_en(u3_atom a,
|
|
u3_atom b)
|
|
{
|
|
c3_y a_y[32];
|
|
c3_y b_y[16];
|
|
#if defined(U3_OS_osx)
|
|
size_t siz_i = 0;
|
|
#else
|
|
AES_KEY key_u;
|
|
#endif
|
|
|
|
c3_assert(u3r_met(3, a) <= 32);
|
|
c3_assert(u3r_met(3, b) <= 16);
|
|
|
|
u3r_bytes(0, 32, a_y, a);
|
|
u3r_bytes(0, 16, b_y, b);
|
|
|
|
#if defined(U3_OS_osx)
|
|
if ( kCCSuccess != CCCrypt(kCCEncrypt, kCCAlgorithmAES128,
|
|
kCCOptionECBMode, a_y, kCCKeySizeAES256, 0, b_y,
|
|
16, b_y, 16, &siz_i) )
|
|
{
|
|
return u3m_bail(c3__exit);
|
|
}
|
|
else c3_assert(16 == siz_i);
|
|
#else
|
|
if ( 0 != AES_set_encrypt_key(a_y, 256, &key_u) ) {
|
|
return u3m_bail(c3__exit);
|
|
}
|
|
else {
|
|
AES_encrypt(b_y, b_y, &key_u);
|
|
}
|
|
#endif
|
|
|
|
return u3i_bytes(16, b_y);
|
|
}
|
|
|
|
u3_noun
|
|
u3wea_en(u3_noun cor)
|
|
{
|
|
u3_noun a, b;
|
|
|
|
if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
|
|
c3n == u3ud(a) ||
|
|
c3n == u3ud(b) )
|
|
{
|
|
return u3m_bail(c3__exit);
|
|
}
|
|
else {
|
|
return u3qea_en(a, b);
|
|
}
|
|
}
|
|
|
|
u3_noun
|
|
u3qea_de(u3_atom a,
|
|
u3_atom b)
|
|
{
|
|
c3_y a_y[32];
|
|
c3_y b_y[16];
|
|
#if defined(U3_OS_osx)
|
|
size_t siz_i = 0;
|
|
#else
|
|
AES_KEY key_u;
|
|
#endif
|
|
|
|
c3_assert(u3r_met(3, a) <= 32);
|
|
c3_assert(u3r_met(3, b) <= 16);
|
|
|
|
u3r_bytes(0, 32, a_y, a);
|
|
u3r_bytes(0, 16, b_y, b);
|
|
|
|
#if defined(U3_OS_osx)
|
|
if ( kCCSuccess != CCCrypt(kCCDecrypt, kCCAlgorithmAES128,
|
|
kCCOptionECBMode, a_y, kCCKeySizeAES256, 0, b_y,
|
|
16, b_y, 16, &siz_i) )
|
|
{
|
|
return u3m_bail(c3__exit);
|
|
}
|
|
else c3_assert(16 == siz_i);
|
|
#else
|
|
if ( 0 != AES_set_decrypt_key(a_y, 256, &key_u) ) {
|
|
return u3m_bail(c3__exit);
|
|
}
|
|
else {
|
|
AES_decrypt(b_y, b_y, &key_u);
|
|
}
|
|
#endif
|
|
|
|
return u3i_bytes(16, b_y);
|
|
}
|
|
|
|
u3_noun
|
|
u3wea_de(u3_noun cor)
|
|
{
|
|
u3_noun a, b;
|
|
|
|
if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
|
|
c3n == u3ud(a) ||
|
|
c3n == u3ud(b) )
|
|
{
|
|
return u3m_bail(c3__exit);
|
|
}
|
|
else {
|
|
return u3qea_de(a, b);
|
|
}
|
|
}
|