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121 lines
2.3 KiB
C
121 lines
2.3 KiB
C
/* j/5/aes.c
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**
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** This file is in the public domain.
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*/
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#include "all.h"
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#if defined(U3_OS_osx)
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#include <CommonCrypto/CommonCryptor.h>
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#else
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#include <openssl/aes.h>
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#endif
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/* functions
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*/
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u3_noun
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u3qea_en(u3_atom a, u3_atom b)
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{
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c3_y a_y[32];
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c3_y b_y[16];
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#if defined(U3_OS_osx)
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size_t siz_i = 0;
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#else
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AES_KEY key_u;
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#endif
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c3_assert(u3r_met(3, a) <= 32);
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c3_assert(u3r_met(3, b) <= 16);
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u3r_bytes(0, 32, a_y, a);
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u3r_bytes(0, 16, b_y, b);
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#if defined(U3_OS_osx)
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if ( kCCSuccess != CCCrypt(kCCEncrypt, kCCAlgorithmAES128,
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kCCOptionECBMode, a_y, kCCKeySizeAES256, 0, b_y,
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16, b_y, 16, &siz_i) )
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{
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return u3m_bail(c3__exit);
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}
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else c3_assert(16 == siz_i);
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#else
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if ( 0 != AES_set_encrypt_key(a_y, 256, &key_u) ) {
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return u3m_bail(c3__exit);
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}
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else {
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AES_encrypt(b_y, b_y, &key_u);
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}
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#endif
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return u3i_bytes(16, b_y);
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}
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u3_noun
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u3wea_en(u3_noun cor)
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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return u3qea_en(a, b);
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}
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}
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u3_noun
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u3qea_de(u3_atom a, u3_atom b)
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{
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c3_y a_y[32];
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c3_y b_y[16];
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#if defined(U3_OS_osx)
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size_t siz_i = 0;
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#else
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AES_KEY key_u;
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#endif
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c3_assert(u3r_met(3, a) <= 32);
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c3_assert(u3r_met(3, b) <= 16);
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u3r_bytes(0, 32, a_y, a);
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u3r_bytes(0, 16, b_y, b);
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#if defined(U3_OS_osx)
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if ( kCCSuccess != CCCrypt(kCCDecrypt, kCCAlgorithmAES128,
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kCCOptionECBMode, a_y, kCCKeySizeAES256, 0, b_y,
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16, b_y, 16, &siz_i) )
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{
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return u3m_bail(c3__exit);
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}
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else c3_assert(16 == siz_i);
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#else
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if ( 0 != AES_set_decrypt_key(a_y, 256, &key_u) ) {
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return u3m_bail(c3__exit);
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}
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else {
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AES_decrypt(b_y, b_y, &key_u);
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}
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#endif
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return u3i_bytes(16, b_y);
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}
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u3_noun
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u3wea_de(u3_noun cor)
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ||
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c3n == u3ud(a) ||
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c3n == u3ud(b) )
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{
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return u3m_bail(c3__exit);
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}
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else {
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return u3qea_de(a, b);
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}
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}
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