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A DWORD is the maximum CryptGenRandom() can support.

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This commit is contained in:
Frank Denis 2014-04-09 19:07:41 -07:00
parent 433ba6be9e
commit 8fc8d2f380
1 changed files with 4 additions and 1 deletions
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5
src/libsodium/randombytes/sysrandom/randombytes_sysrandom.c
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@ -169,7 +169,10 @@ randombytes_sysrandom_buf(void * const buf, const size_t size)
abort();
}
#else
if (! CryptGenRandom(stream.hcrypt_prov, size, (BYTE *) buf)) {
if (size > 0xffffffff) {
abort();
}
if (! CryptGenRandom(stream.hcrypt_prov, (DWORD) size, (BYTE *) buf)) {
abort();
}
#endif