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41 lines
644 B
C
41 lines
644 B
C
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#include "ed25519.h"
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#ifndef ED25519_NO_SEED
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#ifdef _WIN32
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#include <windows.h>
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#include <wincrypt.h>
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#else
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#include <stdio.h>
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#endif
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int ed25519_create_seed(unsigned char *seed) {
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#ifdef _WIN32
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HCRYPTPROV prov;
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if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
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return 1;
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}
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if (!CryptGenRandom(prov, 32, seed)) {
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CryptReleaseContext(prov, 0);
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return 1;
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}
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CryptReleaseContext(prov, 0);
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#else
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FILE *f = fopen("/dev/urandom", "rb");
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if (f == NULL) {
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return 1;
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}
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fread(seed, 1, 32, f);
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fclose(f);
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#endif
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return 0;
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}
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#endif
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