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jessicacarneiro/aes_cbc_128.c

Created November 1, 2017 15:44
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  1. jessicacarneiro created this gist Nov 1, 2017.
    56 changes: 56 additions & 0 deletions aes_cbc_128.c
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,56 @@
    #include <stdio.h>
    #include "relic.h"

    #define KEYSZ 128

    int main()
    {
    if (core_init() != STS_OK) {
    core_clean();
    return EXIT_FAILURE;
    }

    if (pc_param_set_any() != STS_OK) {
    THROW(ERR_NO_CURVE);
    core_clean();
    return EXIT_FAILURE;
    }

    uint8_t key[KEYSZ] = { 1 };
    uint8_t iv[BC_LEN] = { 0 };
    uint8_t input[5] = {'A','l','i','c','e'};
    uint8_t output[KEYSZ];
    int output_sz = KEYSZ;

    if (bc_aes_cbc_enc(output, &output_sz, input, 5, key, KEYSZ, iv) == STS_OK)
    printf("1.Success enc\n");
    else
    printf("1.Error enc\n");

    printf("2.Output size in enc is %d\n", output_sz);

    printf("3.Input: ");
    for (int i = 0; i < 5; i++) {
    printf("%c", input[i]);
    }
    printf("\n");

    uint8_t dec[KEYSZ];
    memset(dec, 0, KEYSZ);
    printf("\n");

    int dec_sz = KEYSZ;
    if (bc_aes_cbc_dec(dec, &dec_sz, output, output_sz, key, KEYSZ, iv) == STS_OK)
    printf("4.Success dec\n");
    else
    printf("4.Error dec\n");

    printf("5.Output size in dec is %d\n", dec_sz);

    printf("6.Output: ");
    for (int i = 0; i < dec_sz; i++) {
    printf("%c", dec[i]);
    }
    printf("\n");

    }