S4Err testZbase32()
{
S4Err err = kS4Err_NoErr;
katvector kat_vector_array[] =
{
{ 1, (uint8_t*)"\x00", "y" },
{ 1, (uint8_t*)"\x80", "o" },
{ 2, (uint8_t*)"\x40", "e" },
{ 2, (uint8_t*)"\xC0", "a" },
{ 10, (uint8_t*)"\x00\x00", "yy" },
{ 10, (uint8_t*)"\x80\x80", "on" },
{ 20, (uint8_t*)"\x8B\x88\x80", "tqre" },
{ 24, (uint8_t*)"\xF0\xBF\xC7", "6n9hq" },
{ 24, (uint8_t*)"\xD4\x7A\x04", "4t7ye" },
{ 30, (uint8_t*)"\xF5\x57\xBD\x0C", "6im54d" }, // the spec says "6im5sd" but I think it is wrong
{ 64, (uint8_t*)"\x28\x6F\x20\x29\x28\x20\x6F\x29", "fbz1ykjerbz11" },
{ 128, (uint8_t*)"\x00\x01\x02\x03\x05\x06\x07\x08\x0A\x0B\x0C\x0D\x0F\x10\x11\x12", "yyyoryafyadoonombogo6rytne" },
{ 160, (uint8_t*) "\xA9\x99\x3E\x36\x47\x06\x81\x6A\xBA\x3E\x25\x71\x78\x50\xC2\x6C"
"\x9C\xD0\xD8\x9D", "igcuhp18y4ysiqt6riazowgnp1qpbsr7"
}
};
int i;
for (i = 0; i < sizeof(kat_vector_array)/ sizeof(katvector) ; i++)
{
katvector* kat = &kat_vector_array[i];
uint8_t encoded[64] = {0};
uint8_t decoded[64] = {0};
int len, len2;
char* binString[128] = {0};
bin_to_chars((uint8_t*)kat->base2, kat->bits, 24, (char*)binString);
OPTESTLogVerbose("\t\t%4lu %2d %-30s %-32s\n", kat->bits, INT_CEIL(kat->bits, 8), binString, kat->zbase32);
len = zbase32_encode((uint8_t*)encoded, (uint8_t*)kat->base2, kat->bits);
/* check against encoded */
err = compareResults( kat->zbase32, encoded, len , kResultFormat_Byte, "Encoded");
CKERR;
len2 = zbase32_decode((uint8_t*) decoded, (uint8_t*)encoded, kat->bits);
err = compareResults(decoded, kat->base2, len/8 , kResultFormat_Byte, "Decoded");
CKERR;
};
done:
return err;
}
SCLError TestECC()
{
SCLError err = kSCLError_NoErr;
OPTESTLogInfo("\nTesting ECC\n");
err = sTestECC(384); CKERR;
err = sTestECC(414); CKERR;
OPTESTLogInfo("\n");
OPTESTLogInfo("\nTesting ECC-DH\n");
err = sTestECC_DH(384); CKERR;
OPTESTLogVerbose("\n");
err = sTestECC_DH(414); CKERR;
OPTESTLogInfo("\n");
done:
return err;
}
S4Err TestSecretSharing()
{
S4Err err = kS4Err_NoErr;
uint8_t PT[PTsize];
uint8_t PT1[sizeof (PT)];
size_t keyLen = 0;
SHARES_ShareInfo* shareInfo[kNumShares];
SHARES_ShareInfo* testShares[kShareThreshold];
uint8_t testOffset[kShareThreshold];
SHARES_ContextRef shareCTX = kInvalidSHARES_ContextRef;
uint32_t i;
OPTESTLogInfo("\nTesting Shamir Key Spliting\n");
// create a random key
err = RNG_GetBytes(PT, sizeof(PT)); CKERR;
OPTESTLogVerbose("\t\tKey Data: (%ld bytes)\n", PTsize);
dumpHex(IF_LOG_DEBUG, PT, (int)sizeof (PT), 0);
OPTESTLogDebug("\n");
err = SHARES_Init( PT, sizeof(PT),
kNumShares,
kShareThreshold,
&shareCTX); CKERR;
for(i = 0; i < kNumShares; i++)
{
size_t shareLen = 0;
err = SHARES_GetShareInfo(shareCTX, i, &shareInfo[i], &shareLen); CKERR;
if(IF_LOG_VERBOSE)
{
OPTESTLogVerbose("\t Share %d: (%d bytes)\n", i,shareLen);
dumpHex(IF_LOG_DEBUG, shareInfo[i]->shareSecret , (int)shareInfo[i]->shareSecretLen, 0);
OPTESTLogVerbose("\n");
}
// OPTESTLogVerbose("\t Check shares for data leakage against known original message...");
// /* check shares for data leakage against known original message */
// err = CMP(shareBuf+(shareSize *i) + kSHAMIR_HEADERSIZE,
// PT, sizeof (PT))
// ? kS4Err_SelfTestFailed : kS4Err_NoErr;
// CKERR;
}
// create threshold number of shares to test with
sCreateTestOffsets(testOffset, sizeof(testOffset));
for(i = 0; i < kShareThreshold; i++)
testShares[i] = shareInfo[testOffset[i]];
/* attempt to combine with not enough shares */
err = SHARES_CombineShareInfo(kShareThreshold -1, testShares, PT1, sizeof(PT1),
&keyLen);
OPTESTLogVerbose("\t Attempt to combine with not enough shares = %s\n",
IsS4Err(err)?"fail":"pass");
if(err == kS4Err_NotEnoughShares) err = kS4Err_NoErr;
CKERR;
/* Reconstruct data */
OPTESTLogVerbose("\t Reconstructing data with just %d shares...",kShareThreshold);
err = SHARES_CombineShareInfo(kShareThreshold, testShares, PT1, sizeof(PT1),
&keyLen); CKERR;
OPTESTLogVerbose("OK\n");
/* check result against known original message */
OPTESTLogVerbose("\t Check result against known original message...\n");
err = compare2Results(PT, sizeof(PT), PT1, keyLen, kResultFormat_Byte, "SHAMIR Reconstruct"); //CKERR;
OPTESTLogInfo("\n");
done:
for(i = 0; i < kNumShares; i++)
{
if(shareInfo[i]) XFREE(shareInfo[i]);
}
if(SHARES_ContextRefIsValid(shareCTX))
SHARES_Free(shareCTX);
return err;
}
static SCLError sTestECC(int keySize)
{
#define PTsize 32
SCLError err = kSCLError_NoErr;
int i;
uint8_t PT[PTsize];
uint8_t CT[256];
size_t CTlen = 0;
uint8_t DT[PTsize];
size_t DTlen = 0;
uint8_t pubKey[256];
size_t pubKeyLen = 0;
uint8_t privKey[256];
size_t privKeyLen = 0;
bool isPrivate = false;
size_t importKeySize = 0;
bool isANSIx963 = false;
// uint8_t tempBuf[256];
// unsigned long tempLen;
OPTESTLogInfo("\tECC-%d \n", keySize);
ECC_ContextRef ecc = kInvalidECC_ContextRef;
ECC_ContextRef eccPub = kInvalidECC_ContextRef;
// fill PT
for(i = 0; i< PTsize; i++) PT[i]= i;
err = ECC_Init(&ecc);
OPTESTLogVerbose("\t\tGenerate Pub Key (%ld bytes)\n", pubKeyLen);
err = ECC_Generate(ecc, keySize); CKERR;
err = ECC_Export_ANSI_X963( ecc, pubKey, sizeof(pubKey), &pubKeyLen);CKERR;
OPTESTLogVerbose("\t\tExport Public Key (%ld bytes)\n", pubKeyLen);
dumpHex(IF_LOG_DEBUG, pubKey, (int)pubKeyLen, 0);
err = ECC_Import_Info( pubKey, pubKeyLen, &isPrivate, &isANSIx963, &importKeySize );CKERR;
OPTESTLogVerbose("\t\t\t%d bit %s%s key\n", (int)importKeySize , isANSIx963 ?"ANSI x9.63 ":"", isPrivate ?"private":"public");
err = ECC_Export(ecc, true, privKey, sizeof(privKey), &privKeyLen);CKERR;
OPTESTLogVerbose("\t\tExport Private Key (%ld bytes)\n", privKeyLen);
dumpHex(IF_LOG_DEBUG, privKey, (int)privKeyLen, 0);
err = ECC_Import_Info( privKey, privKeyLen, &isPrivate, &isANSIx963, &importKeySize );CKERR;
OPTESTLogVerbose("\t\t\t%d bit %s%s key\n", (int)importKeySize , isANSIx963 ?"ANSI x9.63 ":"", isPrivate ?"private":"public");
// delete keys
if(ECC_ContextRefIsValid(ecc) ) ECC_Free(ecc );
ecc = kInvalidECC_ContextRef;
err = ECC_Init(&eccPub);
err = ECC_Import_ANSI_X963( eccPub, pubKey, pubKeyLen);CKERR;
importKeySize = 0;
err = ECC_KeySize(eccPub, &importKeySize);
OPTESTLogVerbose("\t\tImported %d bit public key\n", (int)importKeySize );
err = ECC_Encrypt(eccPub, PT, sizeof(PT), CT, sizeof(CT), &CTlen);CKERR;
OPTESTLogVerbose("\t\tEncrypt message: (%ld bytes)\n", CTlen);
dumpHex(IF_LOG_DEBUG, CT, (int)CTlen, 0);
err = ECC_Init(&ecc);
err = ECC_Import(ecc, privKey, privKeyLen);CKERR;
err = ECC_KeySize(ecc, &importKeySize);
OPTESTLogVerbose("\t\tImported %d bit private key\n", (int)importKeySize );
err = ECC_Decrypt(ecc, CT, CTlen, DT, sizeof(DT), &DTlen); CKERR;
/* check against know-answer */
err= compareResults( DT, PT, PTsize , kResultFormat_Byte, "ECC Decrypt"); CKERR;
OPTESTLogVerbose("\t\tDecrypted OK\n");
dumpHex(IF_LOG_DEBUG, DT, (int)DTlen, 0);
err = ECC_Sign(ecc, PT, sizeof(PT), CT, sizeof(CT), &CTlen);CKERR;
OPTESTLogVerbose("\t\tSigned message (%ld bytes)\n", CTlen);
dumpHex(IF_LOG_DEBUG, CT, (int)CTlen, 0);
err = ECC_Verify(ecc, CT, CTlen, PT, sizeof(PT));
OPTESTLogVerbose("\t\tVerify = %s\n", IsSCLError(err)?"fail":"pass");
PT[3]= 9;
err = ECC_Verify(ecc, CT, CTlen, PT, sizeof(PT));
OPTESTLogVerbose("\t\tVerify bad packet = %s\n", IsSCLError(err)?"fail":"pass");
if(err == kSCLError_BadIntegrity) err = kSCLError_NoErr;
OPTESTLogVerbose("\n");
done:
if(ECC_ContextRefIsValid(ecc) ) ECC_Free(ecc );
if(ECC_ContextRefIsValid(eccPub)) ECC_Free(eccPub);
return err;
}
SCLError sTestECC_DH(int keySize)
{
SCLError err = kSCLError_NoErr;
uint8_t pubKey1[256];
size_t pubKeyLen1 = 0;
uint8_t privKey1[256];
size_t privKeyLen1 = 0;
uint8_t pubKey2[256];
size_t pubKeyLen2 = 0;
uint8_t privKey2[256];
size_t privKeyLen2 = 0;
ECC_ContextRef eccPriv = kInvalidECC_ContextRef;
ECC_ContextRef eccPub = kInvalidECC_ContextRef;
uint8_t Z1 [256];
size_t Zlen1;
uint8_t Z2 [256];
size_t Zlen2;
OPTESTLogInfo("\tTesting ECC-DH (%d)\n", keySize);
/* create keys */
OPTESTLogDebug("\t\tGenerate Key 1\n");
err = ECC_Init(&eccPriv); CKERR;
err = ECC_Generate(eccPriv, keySize ); CKERR;
err = ECC_Export_ANSI_X963( eccPriv, pubKey1, sizeof(pubKey1), &pubKeyLen1);CKERR;
err = ECC_Export(eccPriv, true, privKey1, sizeof(privKey1), &privKeyLen1);CKERR;
OPTESTLogDebug("\t\tKey 1 Pub/Priv (%ld,%ld) bytes\n", pubKeyLen1, privKeyLen1);
OPTESTLogDebug("\t\tPublic\n");
dumpHex(IF_LOG_DEBUG, pubKey1, (int)pubKeyLen1, 0);
OPTESTLogDebug("\t\tPrivate\n");
dumpHex(IF_LOG_DEBUG, privKey1, (int)privKeyLen1, 0);
OPTESTLogDebug("\n");
if(ECC_ContextRefIsValid(eccPriv) ) ECC_Free(eccPriv );
eccPriv = kInvalidECC_ContextRef;
OPTESTLogDebug("\t\tGenerate Key 2\n");
err = ECC_Init(&eccPriv); CKERR;
err = ECC_Generate(eccPriv, keySize ); CKERR;
err = ECC_Export_ANSI_X963( eccPriv, pubKey2, sizeof(pubKey2), &pubKeyLen2);CKERR;
err = ECC_Export(eccPriv, true, privKey2, sizeof(privKey2), &privKeyLen2);CKERR;
OPTESTLogDebug("\t\tKey 2 Pub/Priv (%ld,%ld) bytes\n", pubKeyLen2, privKeyLen2);
OPTESTLogDebug("\t\tPublic\n");
dumpHex(IF_LOG_DEBUG, pubKey2, (int)pubKeyLen2, 0);
OPTESTLogDebug("\t\tPrivate\n");
dumpHex(IF_LOG_DEBUG, privKey2, (int)privKeyLen2, 0);
OPTESTLogDebug("\n");
// delete keys
if(ECC_ContextRefIsValid(eccPriv) ) ECC_Free(eccPriv );
eccPriv = kInvalidECC_ContextRef;
OPTESTLogDebug("\t\tCalculate Secret for Key1 -> Key2\n");
err = ECC_Init(&eccPriv);
err = ECC_Import(eccPriv, privKey1, privKeyLen1);CKERR;
err = ECC_Init(&eccPub);
err = ECC_Import_ANSI_X963( eccPub, pubKey2, pubKeyLen2);CKERR;
/* Kdk = MAC(Htotal,Z) where Z is the DH of Pki and PKr */
Zlen1 = sizeof(Z1);
err = ECC_SharedSecret(eccPriv, eccPub, Z1, sizeof(Z1), &Zlen1);CKERR;
OPTESTLogVerbose("\t\tECC Shared Secret (Z1): (%ld bytes)\n",Zlen1);
dumpHex(IF_LOG_DEBUG, Z1, (int)Zlen1 , 0);
OPTESTLogDebug("\n");
// delete keys
if(ECC_ContextRefIsValid(eccPriv) ) ECC_Free(eccPriv );
eccPriv = kInvalidECC_ContextRef;
// delete keys
if(ECC_ContextRefIsValid(eccPub) ) ECC_Free(eccPub );
eccPub = kInvalidECC_ContextRef;
OPTESTLogDebug("\t\tCalculate Secret for Key2 -> Key1\n");
err = ECC_Init(&eccPriv);
err = ECC_Import(eccPriv, privKey2, privKeyLen2);CKERR;
err = ECC_Init(&eccPub);
err = ECC_Import_ANSI_X963( eccPub, pubKey1, pubKeyLen1);CKERR;
/* Kdk = MAC(Htotal,Z) where Z is the DH of Pki and PKr */
Zlen2 = sizeof(Z2);
err = ECC_SharedSecret(eccPriv, eccPub, Z2, sizeof(Z2), &Zlen2);CKERR;
OPTESTLogVerbose("\t\tECC Shared Secret (Z2): (%ld bytes)\n",Zlen2);
dumpHex(IF_LOG_DEBUG, Z2, (int)Zlen2 , 0);
OPTESTLogDebug("\n");
OPTESTLogVerbose("\t\tCompare Secrets\n");
err = compare2Results(Z1, Zlen1, Z2, Zlen2, kResultFormat_Byte, "ECC Shared Secret");CKERR;
done:
if(eccPriv)
{
ECC_Free(eccPriv);
eccPriv = kInvalidECC_ContextRef;
}
if(eccPub)
{
ECC_Free(eccPub);
eccPub = kInvalidECC_ContextRef;
}
return err;
}
static SCLError scSaveRestoreKeyTest(SCKeySuite storageKeySuite, SCKeySuite eccKeySuite )
{
SCLError err = kSCLError_NoErr;
SCKeyContextRef sKey = kInvalidSCKeyContextRef; // storage key
SCKeyContextRef signKey = kInvalidSCKeyContextRef;
SCKeyContextRef pKey = kInvalidSCKeyContextRef; // pbdkf2 encrypted storage key
Cipher_Algorithm algorithm = kCipher_Algorithm_Invalid;
size_t symKeyLen = 0;
time_t startDate = time(NULL) ;
time_t expireDate = startDate + (3600 * 24);
char* user1 = "*****@*****.**";
uint8_t* keyData = NULL;
size_t keyDataLen = 0;
uint8_t* sKeyData = NULL;
size_t sKeyDataLen = 0;
bool isLocked = true;
char* passPhrase = "Pedicabo ego vos et irrumabo";
// used for comparison test
ECC_ContextRef ecc = kInvalidECC_ContextRef;
ECC_ContextRef ecc1 = kInvalidECC_ContextRef;
OPTESTLogInfo("\tTesting SCKeys %s Save/Restore using %s\n", sckey_suite_table(eccKeySuite), sckey_suite_table(storageKeySuite));
// setup a storage key for the private SCC key */
// we do this code just one time and export the encrypted passphrase for later use.
char* nonce = "some stupid nonce data";
uint8_t IV[32];
err = SCKeyCipherForKeySuite(storageKeySuite, &algorithm, &symKeyLen); CKERR;
err = RNG_GetBytes(IV,symKeyLen); CKERR;
err = SCKeyNew(storageKeySuite, (uint8_t*)nonce, strlen(nonce), &sKey); CKERR;
err = SCKeySetProperty (sKey, kSCKeyProp_IV, SCKeyPropertyType_Binary, IV , symKeyLen ); CKERR;
err = SCKeyEncryptToPassPhrase(sKey, (const uint8_t*)passPhrase, strlen(passPhrase), &pKey); CKERR;
err = SCKeySerialize(pKey, &sKeyData, &sKeyDataLen); CKERR;
OPTESTLogVerbose("\t\tExport storage key (%d bytes)\n", (int)sKeyDataLen );
OPTESTLogDebug("\t\tEncrypted Storage Key Packet: (%ld bytes)\n%s\n",sKeyDataLen, (char*)sKeyData);
SCKeyFree(pKey); pKey = NULL;
/* create a signing key for things like voicemail, etc */
err = SCKeyNew(eccKeySuite, (uint8_t*)nonce, strlen(nonce), &signKey); CKERR;
err = SCKeySetProperty (signKey, kSCKeyProp_Owner, SCKeyPropertyType_UTF8String, user1 , strlen(user1) ); CKERR;
err = SCKeySetProperty(signKey, kSCKeyProp_StartDate, SCKeyPropertyType_Time , &startDate, sizeof(time_t)); CKERR;
err = SCKeySetProperty(signKey, kSCKeyProp_ExpireDate, SCKeyPropertyType_Time , &expireDate, sizeof(time_t)); CKERR;
// used for testing
err = SCKeyExport_ECC(signKey, &ecc); CKERR;
/* save the private ecc key */
err = SCKeySerializePrivateWithSCKey(signKey, sKey, &keyData, &keyDataLen); CKERR;
OPTESTLogVerbose("\t\tExport ECC key (%d bytes)\n", (int)keyDataLen );
OPTESTLogDebug("\t\tPrivate Key Packet: (%ld bytes)\n%s\n",keyDataLen, (char*)keyData);
SCKeyFree(sKey); sKey = NULL;
SCKeyFree(signKey); signKey = NULL;
// pretend we readin keyData and sKeyData from some device..
OPTESTLogVerbose("\t\tReconstitute the storage key \n" );
// reconstitute the storage key
err = SCKeyDeserialize(sKeyData, strlen((char*) sKeyData) , &pKey); CKERR;
err = SCKeyDecryptFromPassPhrase(pKey, (const uint8_t*)passPhrase, strlen(passPhrase), &sKey); CKERR;
// resconstitute the ECC key
OPTESTLogVerbose("\t\tReconstitute the ECC key \n" );
err = SCKeyDeserialize(keyData, strlen((char*) keyData) , &signKey); CKERR;
OPTESTLogVerbose("\t\tUnlock Private Key Packet \n" );
err = SCKeyUnlockWithSCKey(signKey, sKey); CKERR;
err = SCKeyIsLocked(signKey,&isLocked); CKERR;
ASSERTERR(isLocked, kSCLError_SelfTestFailed);
OPTESTLogVerbose("\t\tConsistency check of reimported key \n" );
{
uint8_t pk[128];
size_t pkLen = sizeof (pk);
uint8_t pk1[128];
size_t pk1Len = sizeof (pk1);
uint8_t privKey[256];
size_t privKeyLen = sizeof (privKey);
uint8_t privKey1[256];
size_t privKey1Len = sizeof (privKey1);
err = SCKeyExport_ECC(signKey, &ecc1); CKERR;
err = ECC_Export_ANSI_X963(ecc , pk, pkLen, &pkLen);
err = ECC_Export_ANSI_X963(ecc1 , pk1, pk1Len, &pk1Len);
err = compare2Results(pk, pkLen, pk1, pk1Len, kResultFormat_Byte, "ECC public Key");
err = ECC_Export(ecc, true, privKey, sizeof(privKey), &privKeyLen);CKERR;
err = ECC_Export(ecc1, true, privKey1, sizeof(privKey1), &privKey1Len);CKERR;
err = compare2Results(privKey, privKeyLen, privKey1, privKey1Len, kResultFormat_Byte, "ECC private Key");
}
done:
OPTESTLogDebug("\n" );
if(ECC_ContextRefIsValid(ecc))
ECC_Free(ecc);
if(ECC_ContextRefIsValid(ecc1))
ECC_Free(ecc1);
if(SCKeyContextRefIsValid(pKey))
SCKeyFree(pKey);
if(SCKeyContextRefIsValid(pKey))
SCKeyFree(pKey);
if(SCKeyContextRefIsValid(signKey))
SCKeyFree(signKey);
if(SCKeyContextRefIsValid(sKey))
SCKeyFree(sKey);
return err;
}
static SCLError sSCKeyTest4(SCKeySuite keySuite)
{
SCLError err = kSCLError_NoErr;
SCKeyContextRef key1 = kInvalidSCKeyContextRef;
char* nonce = "some stupid nonce data";
char* user1 = "*****@*****.**";
uint8_t* fingerPrintData = NULL;
size_t fingerPrintDataSize = 0;
uint8_t* locator = NULL;
uint8_t* fp = NULL;
uint8_t* ownerData = NULL;
size_t ownerDataSize = 0;
uint8_t* hashWords = NULL;
size_t hashWordsSize = 0;
OPTESTLogInfo("\tTesting %s Key Fingerprint APIs \n", sckey_suite_table(keySuite));
err = SCKeyNew(keySuite, (uint8_t*)nonce, strlen(nonce), &key1); CKERR;
err = SCKeySetProperty (key1, kSCKeyProp_Owner, SCKeyPropertyType_UTF8String, user1 , strlen(user1) ); CKERR;
err = SCKeySerialize_Fingerprint(key1, &fingerPrintData, &fingerPrintDataSize); CKERR;
OPTESTLogDebug("\n\t%3d bytes\n", (int)fingerPrintDataSize);
dumpHex(IF_LOG_DEBUG, fingerPrintData, (int)fingerPrintDataSize, 0);
OPTESTLogDebug("\n");
err = SCKeyDeserialize_Fingerprint( fingerPrintData, fingerPrintDataSize, &locator, &fp,
&ownerData, &ownerDataSize,
&hashWords, &hashWordsSize);
OPTESTLogDebug("\t%10s: %s\n\t%10s: %s\n\t%10s: %s\n\t%10s: %s\n",
"Locator",locator,
"Hash",fp,
"Hash Words", hashWords,
"Owner", ownerData? (char*)ownerData:"<none>");
// test key fingerprint reassembly
err = SCKeyVerify_Fingerprint(key1, fingerPrintData, fingerPrintDataSize); CKERR;
OPTESTLogVerbose("\n");
SCKeyFree(key1); key1 = NULL;
done:
if(SCKeyContextRefIsValid(key1))
SCKeyFree(key1);
if(hashWords)
XFREE(hashWords);
if(ownerData)
XFREE(ownerData);
if(fp)
XFREE(fp);
if(locator)
XFREE(locator);
return err;
}
static SCLError sSCKeyTest3(SCKeySuite keySuite)
{
SCLError err = kSCLError_NoErr;
SCKeyContextRef key1 = kInvalidSCKeyContextRef;
char* nonce = "some stupid nonce data";
// Cipher_Algorithm algorithm = kCipher_Algorithm_Invalid;
// size_t symKeyLen = 0;
#define PTsize 32
uint8_t PT[PTsize];
uint8_t CT[256];
size_t CTlen = 0;
uint8_t DT[PTsize];
size_t DTlen = 0;
uint8_t* sigData = NULL;
size_t sigDataLen = 0;
// uint8_t* keyData = NULL;
// size_t keyDataLen = 0;
// time_t startDate = time(NULL) ;
// time_t expireDate = startDate + (3600 * 24);
// fixed PT key test
for(int i = 0; i< PTsize; i++) PT[i] = i;
OPTESTLogInfo("\tTesting %s Signing and Encryption Consistency \n", sckey_suite_table(keySuite));
// err = SCKeyCipherForKeySuite(keySuite, &algorithm, NULL); CKERR;
// OPTESTLogVerbose("\t\tCreate %s encyption key\n",cipher_algor_table(algorithm));
err = SCKeyNew(keySuite, (uint8_t*)nonce, strlen(nonce), &key1); CKERR;
OPTESTLogVerbose("\t\tPublic Key Encrypt %d byte key \n", sizeof(PT));
err = SCKeyPublicEncrypt(key1, PT, sizeof(PT), CT, sizeof(CT), &CTlen);CKERR;
dumpHex(IF_LOG_DEBUG, CT, (int)CTlen, 0);
OPTESTLogVerbose("\t\tTest Decryption \n");
err = SCKeyPublicDecrypt(key1, CT, CTlen, DT, sizeof(DT), &DTlen); CKERR;
err = compareResults( DT, PT, PTsize , kResultFormat_Byte, "ECC Decrypt"); CKERR;
err = SCKeySignHash(key1, PT,sizeof(PT),CT, sizeof(CT), &CTlen); CKERR;
OPTESTLogVerbose("\t\tPublic Key Sign - low level (%ld bytes) \n", CTlen);
dumpHex(IF_LOG_DEBUG, CT, (int)CTlen, 0);
err = SCKeySign(key1,PT,sizeof(PT), &sigData, &sigDataLen); CKERR;
OPTESTLogVerbose("\t\tPublic Key Sign - JSON (%ld bytes) \n",sigDataLen);
OPTESTLogDebug("%s",sigData );
OPTESTLogVerbose("\t\tTest Signature Verification\n");
err = SCKeyVerifyHash(key1, PT,sizeof(PT), CT, CTlen); CKERR;
err = SCKeyVerify(key1, PT,sizeof(PT), sigData, sigDataLen); CKERR;
// force sig fail
PT[3] ^=1;
ASSERTERR(SCKeyVerifyHash(key1, PT,sizeof(PT), CT, CTlen) != kSCLError_BadIntegrity, kSCLError_SelfTestFailed );
ASSERTERR(SCKeyVerify(key1, PT,sizeof(PT), sigData, sigDataLen) != kSCLError_BadIntegrity, kSCLError_SelfTestFailed );
#if 0
{
// get pub key
SCKeyContextRef iKey = kInvalidSCKeyContextRef;
err = SCKeyGetAllocatedProperty(key1, kSCKeyProp_PubKeyANSI_X963, NULL, (void*)&keyData , &keyDataLen); CKERR;
// make commit code
err = SCKeyMakeHMACcode(keySuite, keyData, keyDataLen, PT, PTsize, expireDate, key1, &iKey); CKERR;
XFREE(keyData); keyData = NULL;
err = SCKeySerialize(iKey, &keyData, &keyDataLen); CKERR;
printf("HMAC_code: (%ld bytes)\n%s\n",keyDataLen, (char*)keyData);
SCKeyFree(iKey); iKey = NULL;
err = SCKeyDeserialize(keyData, keyDataLen, &iKey);CKERR;
XFREE(keyData); keyData = NULL;
}
#endif
OPTESTLogVerbose("\n");
SCKeyFree(key1); key1 = NULL;
done:
if(SCKeyContextRefIsValid(key1))
SCKeyFree(key1);
if(sigData)
XFREE(sigData);
//
// if(keyData)
// XFREE(keyData);
return err;
}
static SCLError sSCKeyTest2(SCKeySuite keySuite, SCKeySuite lockingKeySuite)
{
SCLError err = kSCLError_NoErr;
SCKeyContextRef sKey = kInvalidSCKeyContextRef;
SCKeyContextRef key1 = kInvalidSCKeyContextRef;
SCKeyContextRef key2 = kInvalidSCKeyContextRef;
SCKeyContextRef signKey = kInvalidSCKeyContextRef;
ECC_ContextRef ecc = kInvalidECC_ContextRef;
SCKeySuite keyType;
SCKeySuite keyType1;
SCKeyPropertyType propType;
Cipher_Algorithm algorithm = kCipher_Algorithm_Invalid;
size_t symKeyLen = 0;
uint8_t* keyData = NULL;
size_t keyDataLen = 0;
uint8_t* keyData1 = NULL;
size_t keyDataLen1 = 0;
size_t ecckeysize = 0;
uint8_t symKey[32];
uint8_t IV[32];
char* user1 = "*****@*****.**";
char* user2 = "*****@*****.**";
char comment[256] = {0};
char* nonce = "some stupid nonce data";
time_t startDate = time(NULL) ;
time_t expireDate = startDate + (3600 * 24);
time_t date1;
char* commentProperty = "comment";
bool isLocked = true;
sprintf(comment,"Optest %s ECC Key", sckey_suite_table(keySuite));
OPTESTLogInfo("\tTesting %s Key Save/Restore using %s\n",
sckey_suite_table(keySuite),sckey_suite_table(lockingKeySuite));
switch (keySuite) {
case kSCKeySuite_ECC384:
ecckeysize = 384;
break;
case kSCKeySuite_ECC414:
ecckeysize = 414;
break;
default:
RETERR(kSCLError_BadParams);
break;
}
// fixed SYM key test
for(int i = 0; i< sizeof(symKey); i++) symKey[i] = i;
for(int i = 0; i< sizeof(IV); i++) IV[i] = i;
// create a SCKey with sym data
err = SCKeyImport_Symmetric(lockingKeySuite, symKey, (uint8_t*)nonce, strlen(nonce), &sKey); CKERR;
err = SCKeyCipherForKeySuite(lockingKeySuite, &algorithm, &symKeyLen); CKERR;
err = SCKeySetProperty (sKey, kSCKeyProp_IV, SCKeyPropertyType_Binary, IV, symKeyLen ); CKERR;
OPTESTLogVerbose("\t\tGenerate %d bit ECC key \n", ecckeysize);
err = ECC_Init(&ecc);
err = ECC_Generate(ecc, ecckeysize); CKERR;
OPTESTLogVerbose("\t\tImport %d bit ECC key to SCKEy \n", ecckeysize);
err = SCKeyImport_ECC( ecc, (uint8_t*)nonce, strlen(nonce), &key1); CKERR;
ECC_Free(ecc );
ecc = kInvalidECC_ContextRef;
err = SCKeySetProperty (key1, commentProperty, SCKeyPropertyType_UTF8String, comment, strlen(comment) ); CKERR;
err = SCKeySetProperty(key1, kSCKeyProp_StartDate, SCKeyPropertyType_Time , &startDate, sizeof(time_t)); CKERR;
err = SCKeySetProperty(key1, kSCKeyProp_ExpireDate, SCKeyPropertyType_Time , &expireDate, sizeof(time_t)); CKERR;
err = SCKeySetProperty (key1, kSCKeyProp_Owner, SCKeyPropertyType_UTF8String, user1, strlen(user1) ); CKERR;
// create a signing key to sign test wkey with
err = SCKeyNew(keySuite, (uint8_t*)nonce, strlen(nonce), &signKey); CKERR;
err = SCKeySetProperty (signKey, kSCKeyProp_Owner, SCKeyPropertyType_UTF8String, user2 , strlen(user2) ); CKERR;
err = SCKeySignKey( signKey, key1,NULL); CKERR;
// serialize it
err = SCKeySerialize(key1, &keyData, &keyDataLen); CKERR;
OPTESTLogDebug("\t\tPublic Key Packet: (%ld bytes)\n%s\n",keyDataLen, (char*)keyData);
XFREE(keyData); keyData = NULL;
err = SCKeySerializePrivateWithSCKey(key1, sKey, &keyData, &keyDataLen); CKERR;
OPTESTLogDebug("\t\tPrivate Key Packet: (%ld bytes)\n%s\n",keyDataLen, (char*)keyData);
OPTESTLogVerbose("\t\tImport Private Key Packet \n" );
err = SCKeyDeserialize(keyData, keyDataLen, &key2);CKERR;
XFREE(keyData); keyData = NULL;
OPTESTLogVerbose("\t\tUnlock Private Key Packet \n" );
err = SCKeyIsLocked(key2,&isLocked); CKERR;
// the freshly iported key should be locked
ASSERTERR(!isLocked, kSCLError_SelfTestFailed);
err = SCKeyUnlockWithSCKey(key2, sKey); CKERR;
// check reimport
OPTESTLogVerbose("\t\tCompare Deserialized Key \n" );
err = SCKeyGetProperty(key2, kSCKeyProp_SCKeySuite, NULL, &keyType1, sizeof(SCKeySuite), NULL); CKERR;
err = compareResults(&keyType, &keyType, sizeof(SCKeySuite), kResultFormat_Byte, "keySuite");CKERR;
err = SCKeyGetAllocatedProperty(key1, kSCKeyProp_Locator,NULL, (void*)&keyData , &keyDataLen); CKERR;
err = SCKeyGetAllocatedProperty(key2, kSCKeyProp_Locator,&propType, (void*)&keyData1 , &keyDataLen1); CKERR;
ASSERTERR(propType != SCKeyPropertyType_Binary, kSCLError_SelfTestFailed);
err = compareResults(keyData, keyData1, keyDataLen, kResultFormat_Byte, "locator");CKERR;
XFREE(keyData); keyData = NULL;
XFREE(keyData1); keyData1 = NULL;
err = SCKeyGetProperty(key2, kSCKeyProp_StartDate, &propType, &date1, sizeof(time_t), &keyDataLen); CKERR;
ASSERTERR(propType != SCKeyPropertyType_Time, kSCLError_SelfTestFailed);
err = compareResults(&startDate, &date1, sizeof(time_t), kResultFormat_Byte, "startDate");CKERR;
err = SCKeyGetProperty(key2, kSCKeyProp_ExpireDate, &propType, &date1, sizeof(time_t), &keyDataLen); CKERR;
ASSERTERR(propType != SCKeyPropertyType_Time, kSCLError_SelfTestFailed);
err = compareResults(&expireDate, &date1, sizeof(time_t), kResultFormat_Byte, "expireDate");CKERR;
// TODO: we need to add code in SCKeys to xport the key signatures and verify them
OPTESTLogVerbose(" \n" );
done:
if(ECC_ContextRefIsValid(ecc) )
ECC_Free(ecc );
if(SCKeyContextRefIsValid(key1))
SCKeyFree(key1);
if(SCKeyContextRefIsValid(key2))
SCKeyFree(key2);
if(keyData)
XFREE(keyData);
if(keyData1)
XFREE(keyData1);
return err;
};
static SCLError sSCKeysStorageTest(SCKeySuite keySuite)
{
SCLError err = kSCLError_NoErr;
SCKeyContextRef storageKey = kInvalidSCKeyContextRef;
SCKeyContextRef pKey = kInvalidSCKeyContextRef;
const char* passphrase = "Tant las fotei com auziretz";
uint8_t* keyData = NULL;
size_t keyDataLen = 0;
Cipher_Algorithm algorithm = kCipher_Algorithm_Invalid;
size_t symKeyLen = 0;
int msg_count = ( sizeof(Msgs) / sizeof(char*)) -1;
typedef struct {
uint8_t *data;
size_t len;
}storage_entry;
storage_entry *msg_store = NULL;
uint8_t deviceUUID[32];
uint8_t IV[32];
OPTESTLogInfo("\tTesting SCKeys Storage API (%s)\n", sckey_suite_table(keySuite));
msg_store = XMALLOC(sizeof(storage_entry) * msg_count); CKNULL(msg_store);
ZERO(msg_store,sizeof(storage_entry) * msg_count);
// we use the UUID only as a nonce, it should be unique but doesnt have to be secure
err = RNG_GetBytes(deviceUUID,sizeof(deviceUUID));
// generate a 128 bit storagre key and a 128 bit IV
err = RNG_GetBytes(IV,sizeof(IV));
err = SCKeyCipherForKeySuite(keySuite, &algorithm, &symKeyLen); CKERR;
OPTESTLogVerbose("\t\tCreate %s encyption key\n",cipher_algor_table(algorithm));
err = SCKeyNew(keySuite, deviceUUID, sizeof(deviceUUID), &storageKey); CKERR;
err = SCKeySetProperty (storageKey, kSCKeyProp_IV, SCKeyPropertyType_Binary, IV , symKeyLen); CKERR;
OPTESTLogVerbose("\t\tEncrypt %d test messages\n", msg_count);
// Encrypt a bunch of messages
for(int i = 0; Msgs[i] != NULL; i++)
{
unsigned long msgLen;
msgLen = strlen(Msgs[i]);
OPTESTLogDebug("\t\t %3d - %3d bytes |%.*s|\n", i+1, (int)msgLen,(int)msgLen, Msgs[i] );
err = SCKeyStorageEncrypt(storageKey,
(uint8_t*) Msgs[i], msgLen,
&msg_store[i].data, &msg_store[i].len); CKERR;
dumpHex(IF_LOG_DEBUG, msg_store[i].data, (int)msg_store[i].len, 0);
OPTESTLogDebug("\n");
}
OPTESTLogVerbose("\t\tSecure the storage key to a passphrase\n");
// secure the storage key to a passphrase
err = SCKeyEncryptToPassPhrase(storageKey, (uint8_t*)passphrase, strlen(passphrase), &pKey); CKERR;
// get rid of orignial storage key
SCKeyFree(storageKey); storageKey = NULL;
err = SCKeySerialize(pKey, &keyData, &keyDataLen); CKERR;
SCKeyFree(pKey); pKey = NULL;
ZERO(IV,sizeof(IV));
// save the passphrase key somewhere
OPTESTLogDebug("\t\tPBKDF2 Passphrase Key Packet: (%ld bytes)\n%s\n",keyDataLen, (char*)keyData);
// restore the passphrase key
err = SCKeyDeserialize(keyData, keyDataLen, &pKey);CKERR;
// unlock passphrase key and make a SKey
err = SCKeyDecryptFromPassPhrase(pKey, (uint8_t*)passphrase, strlen(passphrase), &storageKey ); CKERR;
SCKeyFree(pKey); pKey = NULL;
OPTESTLogVerbose("\t\tDecrypt and compare %d messages\n", msg_count);
for(int i = 0; Msgs[i] != NULL; i++)
{
unsigned long msgLen;
uint8_t* PT = NULL;
size_t PTLen = 0;
msgLen = strlen(Msgs[i]);
err = SCKeyStorageDecrypt(storageKey,
msg_store[i].data, msg_store[i].len,
&PT, &PTLen); CKERR;
if(msgLen != PTLen)
{
OPTESTLogInfo("ERROR MSG Decrypt: Expecting %d bytes, got %d\n", (int)msgLen, (int)PTLen );
RETERR(kSCLError_SelfTestFailed);
}
err = compareResults( Msgs[i], PT, msgLen , kResultFormat_Byte, "MSG Decrypt"); CKERR;
if(PT) XFREE(PT);
PT = NULL;
}
SCKeyFree(storageKey);
storageKey = NULL;
OPTESTLogVerbose("\n");
done:
for(int i = 0; i < msg_count; i++)
{
if(msg_store[i].data )
{
XFREE(msg_store[i].data);
}
}
XFREE(msg_store);
if(SCKeyContextRefIsValid(pKey))
SCKeyFree(pKey);
if(SCKeyContextRefIsValid(storageKey))
SCKeyFree(storageKey);
return err;
}
