bool CryptoSystemValidate(PK_Decryptor &priv, PK_Encryptor &pub, bool thorough = false)
{
bool pass = true, fail;
fail = !pub.GetMaterial().Validate(GlobalRNG(), thorough ? 3 : 2) || !priv.GetMaterial().Validate(GlobalRNG(), thorough ? 3 : 2);
pass = pass && !fail;
cout << (fail ? "FAILED " : "passed ");
cout << "cryptosystem key validation\n";
static const byte message[] = "test message";
const int messageLen = COUNTOF(message);
SecByteBlock ciphertext(priv.CiphertextLength(messageLen));
SecByteBlock plaintext(priv.MaxPlaintextLength(ciphertext.size()));
pub.Encrypt(GlobalRNG(), message, messageLen, ciphertext);
fail = priv.Decrypt(GlobalRNG(), ciphertext, priv.CiphertextLength(messageLen), plaintext) != DecodingResult(messageLen);
fail = fail || !VerifyBufsEqual(message, plaintext, messageLen);
pass = pass && !fail;
cout << (fail ? "FAILED " : "passed ");
cout << "encryption and decryption\n";
return pass;
}
void BenchMarkEncryption(const char *name, PK_Encryptor &key, double timeTotal, bool pc=false)
{
unsigned int len = 16;
LC_RNG rng(time(NULL));
SecByteBlock plaintext(len), ciphertext(key.CipherTextLength(len));
rng.GetBlock(plaintext, len);
clock_t start = clock();
unsigned int i;
double timeTaken;
for (timeTaken=(double)0, i=0; timeTaken < timeTotal; timeTaken = double(clock() - start) / CLOCK_TICKS_PER_SECOND, i++)
key.Encrypt(rng, plaintext, len, ciphertext);
OutputResultOperations(name, "Encryption", pc, i, timeTaken);
}
void BenchMarkDecryption(const char *name, PK_Decryptor &priv, PK_Encryptor &pub, double timeTotal)
{
unsigned int len = 16;
SecByteBlock ciphertext(pub.CiphertextLength(len));
SecByteBlock plaintext(pub.MaxPlaintextLength(ciphertext.size()));
GlobalRNG().GenerateBlock(plaintext, len);
pub.Encrypt(GlobalRNG(), plaintext, len, ciphertext);
const clock_t start = clock();
unsigned int i;
double timeTaken;
for (timeTaken=(double)0, i=0; timeTaken < timeTotal; timeTaken = double(clock() - start) / CLOCK_TICKS_PER_SECOND, i++)
priv.Decrypt(GlobalRNG(), ciphertext, ciphertext.size(), plaintext);
OutputResultOperations(name, "Decryption", false, i, timeTaken);
}
bool CryptoSystemValidate(PK_Decryptor &priv, PK_Encryptor &pub)
{
LC_RNG rng(9375);
const byte *message = (byte *)"test message";
const int messageLen = 12;
SecByteBlock ciphertext(priv.CipherTextLength(messageLen));
SecByteBlock plaintext(priv.MaxPlainTextLength(ciphertext.size));
bool pass = true, fail;
pub.Encrypt(rng, message, messageLen, ciphertext);
fail = (messageLen!=priv.Decrypt(ciphertext, priv.CipherTextLength(messageLen), plaintext));
fail = fail || memcmp(message, plaintext, messageLen);
pass = pass && !fail;
cout << (fail ? "FAILED " : "passed ");
cout << "encryption and decryption\n";
return pass;
}
void BenchMarkEncryption(const char *name, PK_Encryptor &key, double timeTotal, bool pc=false)
{
unsigned int len = 16;
SecByteBlock plaintext(len), ciphertext(key.CiphertextLength(len));
GlobalRNG().GenerateBlock(plaintext, len);
const clock_t start = clock();
unsigned int i;
double timeTaken;
for (timeTaken=(double)0, i=0; timeTaken < timeTotal; timeTaken = double(clock() - start) / CLOCK_TICKS_PER_SECOND, i++)
key.Encrypt(GlobalRNG(), plaintext, len, ciphertext);
OutputResultOperations(name, "Encryption", pc, i, timeTaken);
if (!pc && key.GetMaterial().SupportsPrecomputation())
{
key.AccessMaterial().Precompute(16);
BenchMarkEncryption(name, key, timeTotal, true);
}
}