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Add ChaCha20

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This commit is contained in:
Pieter Wuille
2017-02-15 12:29:23 -08:00
parent 663fbae777
commit e04326fe66
4 changed files with 253 additions and 0 deletions
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45
src/test/crypto_tests.cpp
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@@ -3,6 +3,7 @@
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "crypto/aes.h"
#include "crypto/chacha20.h"
#include "crypto/ripemd160.h"
#include "crypto/sha1.h"
#include "crypto/sha256.h"
@@ -187,6 +188,19 @@ void TestAES256CBC(const std::string &hexkey, const std::string &hexiv, bool pad
}
}
void TestChaCha20(const std::string &hexkey, uint64_t nonce, uint64_t seek, const std::string& hexout)
{
std::vector<unsigned char> key = ParseHex(hexkey);
ChaCha20 rng(key.data(), key.size());
rng.SetIV(nonce);
rng.Seek(seek);
std::vector<unsigned char> out = ParseHex(hexout);
std::vector<unsigned char> outres;
outres.resize(out.size());
rng.Output(outres.data(), outres.size());
BOOST_CHECK(out == outres);
}
std::string LongTestString(void) {
std::string ret;
for (int i=0; i<200000; i++) {
@@ -439,4 +453,35 @@ BOOST_AUTO_TEST_CASE(aes_cbc_testvectors) {
"b2eb05e2c39be9fcda6c19078c6a9d1b3f461796d6b0d6b2e0c2a72b4d80e644");
}
BOOST_AUTO_TEST_CASE(chacha20_testvector)
{
// Test vector from RFC 7539
TestChaCha20("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f", 0x4a000000UL, 1,
"224f51f3401bd9e12fde276fb8631ded8c131f823d2c06e27e4fcaec9ef3cf788a3b0aa372600a92b57974cded2b9334794cb"
"a40c63e34cdea212c4cf07d41b769a6749f3f630f4122cafe28ec4dc47e26d4346d70b98c73f3e9c53ac40c5945398b6eda1a"
"832c89c167eacd901d7e2bf363");
// Test vectors from https://tools.ietf.org/html/draft-agl-tls-chacha20poly1305-04#section-7
TestChaCha20("0000000000000000000000000000000000000000000000000000000000000000", 0, 0,
"76b8e0ada0f13d90405d6ae55386bd28bdd219b8a08ded1aa836efcc8b770dc7da41597c5157488d7724e03fb8d84a376a43b"
"8f41518a11cc387b669b2ee6586");
TestChaCha20("0000000000000000000000000000000000000000000000000000000000000001", 0, 0,
"4540f05a9f1fb296d7736e7b208e3c96eb4fe1834688d2604f450952ed432d41bbe2a0b6ea7566d2a5d1e7e20d42af2c53d79"
"2b1c43fea817e9ad275ae546963");
TestChaCha20("0000000000000000000000000000000000000000000000000000000000000000", 0x0100000000000000ULL, 0,
"de9cba7bf3d69ef5e786dc63973f653a0b49e015adbff7134fcb7df137821031e85a050278a7084527214f73efc7fa5b52770"
"62eb7a0433e445f41e3");
TestChaCha20("0000000000000000000000000000000000000000000000000000000000000000", 1, 0,
"ef3fdfd6c61578fbf5cf35bd3dd33b8009631634d21e42ac33960bd138e50d32111e4caf237ee53ca8ad6426194a88545ddc4"
"97a0b466e7d6bbdb0041b2f586b");
TestChaCha20("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f", 0x0706050403020100ULL, 0,
"f798a189f195e66982105ffb640bb7757f579da31602fc93ec01ac56f85ac3c134a4547b733b46413042c9440049176905d3b"
"e59ea1c53f15916155c2be8241a38008b9a26bc35941e2444177c8ade6689de95264986d95889fb60e84629c9bd9a5acb1cc1"
"18be563eb9b3a4a472f82e09a7e778492b562ef7130e88dfe031c79db9d4f7c7a899151b9a475032b63fc385245fe054e3dd5"
"a97a5f576fe064025d3ce042c566ab2c507b138db853e3d6959660996546cc9c4a6eafdc777c040d70eaf46f76dad3979e5c5"
"360c3317166a1c894c94a371876a94df7628fe4eaaf2ccb27d5aaae0ad7ad0f9d4b6ad3b54098746d4524d38407a6deb3ab78"
"fab78c9");
}
BOOST_AUTO_TEST_SUITE_END()