41 lines
1.9 KiB
C
41 lines
1.9 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <openssl/aes.h>
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int
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main()
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{
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unsigned char userKey[32];
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AES_KEY key;
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unsigned char text[16];
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arc4random_buf(userKey, sizeof(userKey));
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printf("key: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x"
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"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n",
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userKey[0], userKey[1], userKey[2], userKey[3], userKey[4], userKey[5], userKey[6], userKey[7],
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userKey[8], userKey[9], userKey[10], userKey[11], userKey[12], userKey[13], userKey[14], userKey[15],
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userKey[16], userKey[17], userKey[18], userKey[19], userKey[20], userKey[21], userKey[22], userKey[23],
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userKey[24], userKey[25], userKey[26], userKey[27], userKey[28], userKey[29], userKey[30], userKey[31]);
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AES_set_encrypt_key(userKey, 256, &key);
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arc4random_buf(text, sizeof(text));
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printf("plaintext: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n",
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text[0], text[1], text[2], text[3], text[4], text[5], text[6], text[7],
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text[8], text[9], text[10], text[11], text[12], text[13], text[14], text[15]);
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AES_encrypt(text, text, &key);
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printf("ciphertext: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n",
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text[0], text[1], text[2], text[3], text[4], text[5], text[6], text[7],
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text[8], text[9], text[10], text[11], text[12], text[13], text[14], text[15]);
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arc4random_buf(text, sizeof(text));
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printf("plaintext: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n",
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text[0], text[1], text[2], text[3], text[4], text[5], text[6], text[7],
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text[8], text[9], text[10], text[11], text[12], text[13], text[14], text[15]);
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AES_encrypt(text, text, &key);
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printf("ciphertext: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n",
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text[0], text[1], text[2], text[3], text[4], text[5], text[6], text[7],
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text[8], text[9], text[10], text[11], text[12], text[13], text[14], text[15]);
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return 0;
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}
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