90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
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#include <stdio.h>
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#include <string.h>
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#include "aes.h"
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unsigned char iv[16] = {
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0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
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0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f
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};
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unsigned char key128[16] = {
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0x2b,0x7e,0x15,0x16,0x28,0xae,0xd2,0xa6,
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0xab,0xf7,0x15,0x88,0x09,0xcf,0x4f,0x3c
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};
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unsigned char key192[24] = {
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0x8e,0x73,0xb0,0xf7,0xda,0x0e,0x64,0x52,
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0xc8,0x10,0xf3,0x2b,0x80,0x90,0x79,0xe5,
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0x62,0xf8,0xea,0xd2,0x52,0x2c,0x6b,0x7b
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};
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unsigned char key256[32] = {
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0x60,0x3d,0xeb,0x10,0x15,0xca,0x71,0xbe,
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0x2b,0x73,0xae,0xf0,0x85,0x7d,0x77,0x81,
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0x1f,0x35,0x2c,0x07,0x3b,0x61,0x08,0xd7,
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0x2d,0x98,0x10,0xa3,0x09,0x14,0xdf,0xf4
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};
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unsigned char plaintext[64] = {
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0x6b,0xc1,0xbe,0xe2,0x2e,0x40,0x9f,0x96,
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0xe9,0x3d,0x7e,0x11,0x73,0x93,0x17,0x2a,
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0xae,0x2d,0x8a,0x57,0x1e,0x03,0xac,0x9c,
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0x9e,0xb7,0x6f,0xac,0x45,0xaf,0x8e,0x51,
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0x30,0xc8,0x1c,0x46,0xa3,0x5c,0xe4,0x11,
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0xe5,0xfb,0xc1,0x19,0x1a,0x0a,0x52,0xef,
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0xf6,0x9f,0x24,0x45,0xdf,0x4f,0x9b,0x17,
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0xad,0x2b,0x41,0x7b,0xe6,0x6c,0x37,0x10
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};
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unsigned char output[64];
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unsigned char output2[64];
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static void printhex(char *str, unsigned char *buf, unsigned int count) {
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unsigned int i;
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if (str)
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printf("%s\n", str);
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for (i = 0; i < count; i++) {
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printf("%02x", buf[i]);
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if (i && (i & 0x0F) == 0x0F)
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printf("\n");
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}
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}
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int main(void) {
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struct aes_context context;
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memcpy(context.key, key128, 16);
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aes128_expandkey(&context);
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memcpy(context.data, iv, 16);
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aes_cbc_encrypt(&context, plaintext, output, 4);
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printhex("AES-128 ciphertext:", output, 64);
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aes_cbc_decrypt(&context, output, output2, 4, iv);
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printhex("Decrypted plaintext:", output2, 64);
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memcpy(context.key, key192, 24);
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aes192_expandkey(&context);
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memcpy(context.data, iv, 16);
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aes_cbc_encrypt(&context, plaintext, output, 4);
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printhex("AES-192 ciphertext:", output, 64);
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aes_cbc_decrypt(&context, output, output2, 4, iv);
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printhex("Decrypted plaintext:", output2, 64);
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memcpy(context.key, key256, 32);
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aes256_expandkey(&context);
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memcpy(context.data, iv, 16);
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aes_cbc_encrypt(&context, plaintext, output, 4);
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printhex("AES-256 ciphertext:", output, 64);
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aes_cbc_decrypt(&context, output, output2, 4, iv);
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printhex("Decrypted plaintext:", output2, 64);
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}
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