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More new crypto: Ed25519 signatures.

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This commit is contained in:
Adam Ierymenko 2013-09-13 19:18:01 -04:00
parent b2bb7b41fc
commit 09c8b4bbb3
3 changed files with 148 additions and 7 deletions
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38
selftest.cpp
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@ -112,7 +112,7 @@ static int testCrypto()
C25519::agree(p2,p1.pub,buf2,64);
C25519::agree(p3,p1.pub,buf3,64);
if (memcmp(buf1,buf2,64)) {
std::cout << "FAIL" << std::endl;
std::cout << "FAIL (1)" << std::endl;
return -1;
}
if (!memcmp(buf2,buf3,64)) {
@ -122,6 +122,42 @@ static int testCrypto()
}
std::cout << "PASS" << std::endl;
std::cout << "[crypto] Testing Ed25519 ECC signatures... "; std::cout.flush();
C25519::Pair didntSign = C25519::generate();
for(unsigned int i=0;i<10;++i) {
C25519::Pair p1 = C25519::generate();
for(unsigned int k=0;k<sizeof(buf1);++k)
buf1[k] = (unsigned char)rand();
C25519::Signature sig = C25519::sign(p1,buf1,sizeof(buf1));
if (!C25519::verify(p1.pub,buf1,sizeof(buf1),sig)) {
std::cout << "FAIL (1)" << std::endl;
return -1;
}
++buf1[17];
if (C25519::verify(p1.pub,buf1,sizeof(buf1),sig)) {
std::cout << "FAIL (2)" << std::endl;
return -1;
}
--buf1[17];
if (!C25519::verify(p1.pub,buf1,sizeof(buf1),sig)) {
std::cout << "FAIL (3)" << std::endl;
return -1;
}
if (C25519::verify(didntSign.pub,buf1,sizeof(buf1),sig)) {
std::cout << "FAIL (2)" << std::endl;
return -1;
}
for(unsigned int k=0;k<64;++k) {
C25519::Signature sig2(sig);
sig2.data[rand() % sig2.size()] ^= (unsigned char)(1 << (rand() & 7));
if (C25519::verify(p1.pub,buf1,sizeof(buf1),sig2)) {
std::cout << "FAIL (5)" << std::endl;
return -1;
}
}
}
std::cout << "PASS" << std::endl;
std::cout << "[crypto] Testing Salsa20... "; std::cout.flush();
for(unsigned int i=0;i<4;++i) {
for(unsigned int k=0;k<sizeof(buf1);++k)