69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/******************************************************************************/
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/* MCrypt, by LoRd_MuldeR <MuldeR2@GMX.de> */
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/* This work has been released under the CC0 1.0 Universal license! */
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/******************************************************************************/
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#include <mcrypt.h>
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#include <stdio.h>
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#include <string.h>
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int main()
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{
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printf("MCrypt Demo [%s]\n", __DATE__" "__TIME__);
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printf("Using libMCrypt v%s [%s]\n\n", LIBMCRYPT_VERSION, LIBMCRYPT_BUILD);
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const char *const plaintext = "AAAALorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.";
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const size_t length = strlen(plaintext) + 1U;
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fprintf(stderr, "\"%s\"\n\n", plaintext);
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/* ---- Allocate buffers ---- */
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char* ciphertext = malloc(length);
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if (!ciphertext)
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{
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abort();
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}
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char* decoded = malloc(length);
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if (!decoded)
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{
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abort();
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}
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/* ---- Generate seed ---- */
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uint64_t seed;
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if (mcrypt_generate_seed(&seed) != 0)
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{
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abort();
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}
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/* ---- Encryt message ---- */
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mcrypt_t enc = mcrypt_init(seed, "Yp#QaQfH)t`DT23q");
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if (!enc)
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{
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abort();
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}
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mcrypt_enc_process(enc, plaintext, ciphertext, length);
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mcrypt_free(enc);
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fprintf(stderr, "\"%s\"\n\n", ciphertext);
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/* ---- Decryt message ---- */
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mcrypt_t dec = mcrypt_init(seed, "Yp#QaQfH)t`DT23q");
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if (!dec)
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{
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abort();
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}
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mcrypt_dec_process(dec, ciphertext, decoded, length);
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mcrypt_free(dec);
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fprintf(stderr, "\"%s\"\n\n", decoded);
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} |