44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#include "aes_core.h"
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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static int rk_crypto_ecb128_encrypt(const unsigned char *in,
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unsigned long length, unsigned char *out,
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const RK_AES_KEY *ks, const int enc) {
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unsigned long i = 0;
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for (i = 0; i < length / 16; i++) {
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if (enc)
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rk_aes_encrypt(in + i * 16, out + i * 16, ks);
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else
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rk_aes_decrypt(in + i * 16, out + i * 16, ks);
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};
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return 0;
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}
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int rk_aes_ecb_encrypt(const unsigned char *in, unsigned char *out,
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unsigned long length, const unsigned char *key,
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const int key_len, const int enc) {
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RK_AES_KEY ks;
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if (in == NULL || out == NULL || key == NULL)
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return -1;
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if (key_len != 128 / 8 && key_len != 192 / 8 && key_len != 256 / 8)
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return -2;
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if (length % 16 != 0)
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return -3;
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if (enc) {
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rk_aes_set_encrypt_key(key, key_len * 8, &ks);
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} else {
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rk_aes_set_decrypt_key(key, key_len * 8, &ks);
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}
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rk_crypto_ecb128_encrypt(in, length, out, &ks, enc);
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return 0;
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}
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