protected SecretKey engineGenerateSecret( KeySpec keySpec) throws InvalidKeySpecException { if (keySpec instanceof PBEKeySpec) { PBEKeySpec pbeSpec = (PBEKeySpec)keySpec; CipherParameters param; if (pbeSpec.getSalt() == null) { return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, null); } if (forCipher) { param = PBE.Util.makePBEParameters(pbeSpec, scheme, digest, keySize, ivSize); } else { param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize); } return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param); } throw new InvalidKeySpecException("Invalid KeySpec"); } }
PBEParametersGenerator generator = makePBEGenerator(pbeKey.getType(), pbeKey.getDigest()); byte[] key = pbeKey.getEncoded(); CipherParameters param; if (pbeKey.shouldTryWrongPKCS12()) if (pbeKey.getIvSize() != 0) param = generator.generateDerivedParameters(pbeKey.getKeySize(), pbeKey.getIvSize()); param = generator.generateDerivedParameters(pbeKey.getKeySize());
/** * generate a PBE based key suitable for a MAC algorithm, the * key size is chosen according the MAC size, or the hashing algorithm, * whichever is greater. */ public static CipherParameters makePBEMacParameters( BCPBEKey pbeKey, AlgorithmParameterSpec spec) { if ((spec == null) || !(spec instanceof PBEParameterSpec)) { throw new IllegalArgumentException("Need a PBEParameter spec with a PBE key."); } PBEParameterSpec pbeParam = (PBEParameterSpec)spec; PBEParametersGenerator generator = makePBEGenerator(pbeKey.getType(), pbeKey.getDigest()); byte[] key = pbeKey.getEncoded(); CipherParameters param; generator.init(key, pbeParam.getSalt(), pbeParam.getIterationCount()); param = generator.generateDerivedMacParameters(pbeKey.getKeySize()); return param; }
if (k.getOID() != null) pbeAlgorithm = k.getOID().getId(); pbeAlgorithm = k.getAlgorithm(); if (k.getParam() != null) param = k.getParam(); pbeSpec = new PBEParameterSpec(k.getSalt(), k.getIterationCount()); if (k.getIvSize() != 0)
byte[] key = pbeKey.getEncoded(); CipherParameters param;
byte[] key = pbeKey.getEncoded(); CipherParameters param;
pbeSpec.getKeyLength() / 8)); return new BCPBEKey(this.algName, pbeSpec, param);
CipherParameters param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize); return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param); CipherParameters param = PBE.Util.makePBEMacParameters(pbeSpec, scheme, digest, keySize); return new BCPBEKey(this.algName, this.algOid, scheme, digest, keySize, ivSize, pbeSpec, param);