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Add the RFC6979 PRNG

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This commit is contained in:
Pieter Wuille
2014-10-26 02:28:22 -07:00
parent a8f5087e53
commit 3060e36098
4 changed files with 121 additions and 0 deletions
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36
src/test/crypto_tests.cpp
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@@ -2,6 +2,7 @@
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "crypto/rfc6979_hmac_sha256.h"
#include "crypto/ripemd160.h"
#include "crypto/sha1.h"
#include "crypto/sha256.h"
@@ -13,6 +14,7 @@
#include <vector>
#include <boost/assign/list_of.hpp>
#include <boost/test/unit_test.hpp>
BOOST_AUTO_TEST_SUITE(crypto_tests)
@@ -246,4 +248,38 @@ BOOST_AUTO_TEST_CASE(hmac_sha512_testvectors) {
"b6022cac3c4982b10d5eeb55c3e4de15134676fb6de0446065c97440fa8c6a58");
}
void TestRFC6979(const std::string& hexkey, const std::string& hexmsg, const std::vector<std::string>& hexout)
{
std::vector<unsigned char> key = ParseHex(hexkey);
std::vector<unsigned char> msg = ParseHex(hexmsg);
RFC6979_HMAC_SHA256 rng(&key[0], key.size(), &msg[0], msg.size());
for (unsigned int i = 0; i < hexout.size(); i++) {
std::vector<unsigned char> out = ParseHex(hexout[i]);
std::vector<unsigned char> gen;
gen.resize(out.size());
rng.Generate(&gen[0], gen.size());
BOOST_CHECK(out == gen);
}
}
BOOST_AUTO_TEST_CASE(rfc6979_hmac_sha256)
{
TestRFC6979(
"0102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f00",
"4bf5122f344554c53bde2ebb8cd2b7e3d1600ad631c385a5d7cce23c7785459a",
boost::assign::list_of
("4fe29525b2086809159acdf0506efb86b0ec932c7ba44256ab321e421e67e9fb")
("2bf0fff1d3c378a22dc5de1d856522325c65b504491a0cbd01cb8f3aa67ffd4a")
("f528b410cb541f77000d7afb6c5b53c5c471eab43e466d9ac5190c39c82fd82e"));
TestRFC6979(
"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF",
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
boost::assign::list_of
("9c236c165b82ae0cd590659e100b6bab3036e7ba8b06749baf6981e16f1a2b95")
("df471061625bc0ea14b682feee2c9c02f235da04204c1d62a1536c6e17aed7a9")
("7597887cbd76321f32e30440679a22cf7f8d9d2eac390e581fea091ce202ba94"));
}
BOOST_AUTO_TEST_SUITE_END()