24 lines
514 B
C
24 lines
514 B
C
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#include <stdio.h> /* printf */
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#include <windows.h>
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#include <wincrypt.h> /* CryptAcquireContext, CryptGenRandom */
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int
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main()
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{
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HCRYPTPROV p;
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ULONG i;
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if (CryptAcquireContext(&p, NULL, NULL,
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PROV_RSA_FULL, CRYPT_VERIFYCONTEXT) == FALSE) {
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fputs("CryptAcquireContext failed.\n", stderr);
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return 1;
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}
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if (CryptGenRandom(p, sizeof i, (BYTE *)&i) == FALSE) {
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fputs("CryptGenRandom failed.\n", stderr);
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return 1;
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}
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printf("%lu\n", i);
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CryptReleaseContext(p, 0);
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return 0;
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}
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