/**
* Gets license version 2 data for sign.
*
* @param lic GridGain license version 2.
* @return Data for sign.
*/
public static byte[] getDataV2ForSign(GridLicenseV2 lic) {
assert lic != null;
try {
return new SB()
.a(lic.getVersion())
.a(lic.getId())
.a(lic.getIssueDate() != null ? U.format(lic.getIssueDate(), DATE_PTRN) : "")
.a(lic.getIssueOrganization())
.a(lic.getUserOrganization())
.a(lic.getUserWww())
.a(lic.getUserEmail())
.a(lic.getUserName())
.a(lic.getLicenseNote())
.a(lic.getVersionRegexp())
.a(lic.getType())
.a(lic.getExpireDate() != null ? U.format(lic.getExpireDate(), DATE_PTRN) : "")
.a(lic.getMeteringKey1())
.a(lic.getMeteringKey2())
.a(lic.getMaxCpus())
.a(lic.getMaxComputers())
.a(lic.getMaxNodes())
.a(lic.getMaxUpTime())
.toString()
.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new GridRuntimeException(e);
}
}
/**
* Create signature for license version 2.
*
* @param key Private key.
* @param lic License version 2.
* @return Signature.
* @throws GeneralSecurityException If any exception occurs while signature creation.
*/
public static String createSignatureV2(PrivateKey key, GridLicenseV2 lic)
throws GeneralSecurityException {
assert key != null;
assert lic != null;
byte[] data = getDataV2ForSign(lic);
byte[] sign = createSignature(SIGN_ALG, PRV, key, data);
return U.byteArray2HexString(sign);
}
/**
* Verifies license version 2 signature.
*
* @param key Public key.
* @param lic License version 2.
* @return {@code true} if signature was verified, {@code false} - otherwise.
* @throws GeneralSecurityException If any exception occurs while verifying.
*/
public static boolean verifySignatureV2(PublicKey key, GridLicenseV2 lic)
throws GeneralSecurityException {
assert key != null;
assert lic != null;
byte[] data = getDataV2ForSign(lic);
byte[] sign = U.hexString2ByteArray(lic.getSignature());
return verifySignature(SIGN_ALG, PRV, key, data, sign);
}