mirror of
https://github.com/kokke/tiny-AES-c
synced 2024-11-22 05:21:52 +03:00
76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include "aes.h"
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static void phex(uint8_t* str);
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static void test_ECB(void);
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int main(int argc, char** argv)
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{
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test_ECB();
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return 0;
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}
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/* Helpers */
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static void test_ECB(void)
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{
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uint8_t i, buf[64], buf2[64];
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// 128bit key
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uint8_t key[16] = { (uint8_t) 0x2b, (uint8_t) 0x7e, (uint8_t) 0x15, (uint8_t) 0x16, (uint8_t) 0x28, (uint8_t) 0xae, (uint8_t) 0xd2, (uint8_t) 0xa6, (uint8_t) 0xab, (uint8_t) 0xf7, (uint8_t) 0x15, (uint8_t) 0x88, (uint8_t) 0x09, (uint8_t) 0xcf, (uint8_t) 0x4f, (uint8_t) 0x3c };
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// 512bit text
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uint8_t plain_text[64] = { (uint8_t) 0x6b, (uint8_t) 0xc1, (uint8_t) 0xbe, (uint8_t) 0xe2, (uint8_t) 0x2e, (uint8_t) 0x40, (uint8_t) 0x9f, (uint8_t) 0x96, (uint8_t) 0xe9, (uint8_t) 0x3d, (uint8_t) 0x7e, (uint8_t) 0x11, (uint8_t) 0x73, (uint8_t) 0x93, (uint8_t) 0x17, (uint8_t) 0x2a,
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(uint8_t) 0xae, (uint8_t) 0x2d, (uint8_t) 0x8a, (uint8_t) 0x57, (uint8_t) 0x1e, (uint8_t) 0x03, (uint8_t) 0xac, (uint8_t) 0x9c, (uint8_t) 0x9e, (uint8_t) 0xb7, (uint8_t) 0x6f, (uint8_t) 0xac, (uint8_t) 0x45, (uint8_t) 0xaf, (uint8_t) 0x8e, (uint8_t) 0x51,
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(uint8_t) 0x30, (uint8_t) 0xc8, (uint8_t) 0x1c, (uint8_t) 0x46, (uint8_t) 0xa3, (uint8_t) 0x5c, (uint8_t) 0xe4, (uint8_t) 0x11, (uint8_t) 0xe5, (uint8_t) 0xfb, (uint8_t) 0xc1, (uint8_t) 0x19, (uint8_t) 0x1a, (uint8_t) 0x0a, (uint8_t) 0x52, (uint8_t) 0xef,
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(uint8_t) 0xf6, (uint8_t) 0x9f, (uint8_t) 0x24, (uint8_t) 0x45, (uint8_t) 0xdf, (uint8_t) 0x4f, (uint8_t) 0x9b, (uint8_t) 0x17, (uint8_t) 0xad, (uint8_t) 0x2b, (uint8_t) 0x41, (uint8_t) 0x7b, (uint8_t) 0xe6, (uint8_t) 0x6c, (uint8_t) 0x37, (uint8_t) 0x10 };
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memset(buf, 0, 64);
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memset(buf2, 0, 64);
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// print text to encrypt, key and IV
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printf("plain text:\n");
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for(i = (uint8_t) 0; i < (uint8_t) 4; ++i)
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{
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phex(plain_text + i * (uint8_t) 16);
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}
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printf("\n");
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printf("key:\n");
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phex(key);
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printf("\n");
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// print the resulting cipher as 4 x 16 byte strings
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printf("ciphertext:\n");
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for(i = 0; i < 4; ++i)
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{
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AES128_ECB(plain_text + (i*16), key, buf+(i*16));
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phex(buf + (i*16));
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}
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printf("\n");
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// print the resulting cipher as 4 x 16 byte strings
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printf("back to plain text again:\n");
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for(i = 0; i < 4; ++i)
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{
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AES128_ECB(buf + (i*16), key, buf2+(i*16));
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phex(plain_text + (i*16));
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}
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printf("\n");
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}
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// prints string as hex
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void phex(uint8_t* str)
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{
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unsigned char i;
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for(i = 0; i < 16; ++i)
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printf("%.2x", str[i]);
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printf("\n");
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}
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