45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* Copyright (c) 2015 Ryan Castellucci, All Rights Reserved */
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#include <time.h>
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#include <unistd.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <signal.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <openssl/evp.h>
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#include <openssl/sha.h>
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// crypto.h used for the version
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#include <openssl/crypto.h>
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#include "../scrypt-jane/scrypt-jane.h"
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#include "../hex.h"
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#define _SCRYPT_N (1<<18)
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#define _SCRYPT_r 8
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#define _SCRYPT_p 1
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#define jane_scrypt(p, pl, s, ss, k, ks) \
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scrypt(p, pl, s, ss, 17, 3, 0, k, ks)
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static SHA256_CTX sha256_ctx;
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int brainwalletio(unsigned char *pass, size_t pass_sz,
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unsigned char *salt, size_t salt_sz,
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unsigned char *out) {
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unsigned char seed1[32], seed2[65];
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int seed1_sz = sizeof(seed1), seed2_sz = (sizeof(seed2) - 1);
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jane_scrypt(pass, pass_sz, salt, salt_sz, seed1, seed1_sz);
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hex(seed1, seed1_sz, seed2, seed2_sz);
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SHA256_Init(&sha256_ctx);
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SHA256_Update(&sha256_ctx, seed2, seed2_sz);
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SHA256_Final(out, &sha256_ctx);
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return 0;
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}
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