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crypto: make clear generate_random_bytes is not thread safe

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And add a thread safe version to encourage proper use
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moneromooo-monero 2016-05-14 22:08:10 +01:00
parent 8b0d22a2aa
commit d539be3359
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4 changed files with 11 additions and 4 deletions
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src/crypto/crypto.cpp
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@ -83,7 +83,7 @@ namespace crypto {
/* generate a random 32-byte (256-bit) integer and copy it to res */
static inline void random_scalar(ec_scalar &res) {
unsigned char tmp[64];
generate_random_bytes(64, tmp);
generate_random_bytes_not_thread_safe(64, tmp);
sc_reduce(tmp);
memcpy(&res, tmp, 32);
}