diff options
Diffstat (limited to 'pkix/src/main/jdk1.2/org/spongycastle/cert')
| -rw-r--r-- | pkix/src/main/jdk1.2/org/spongycastle/cert/crmf/jcajce/JceCRMFEncryptorBuilder.java | 135 | ||||
| -rw-r--r-- | pkix/src/main/jdk1.2/org/spongycastle/cert/jcajce/JcaAttrCertStore.java | 72 |
2 files changed, 207 insertions, 0 deletions
diff --git a/pkix/src/main/jdk1.2/org/spongycastle/cert/crmf/jcajce/JceCRMFEncryptorBuilder.java b/pkix/src/main/jdk1.2/org/spongycastle/cert/crmf/jcajce/JceCRMFEncryptorBuilder.java new file mode 100644 index 00000000..c3970ee6 --- /dev/null +++ b/pkix/src/main/jdk1.2/org/spongycastle/cert/crmf/jcajce/JceCRMFEncryptorBuilder.java @@ -0,0 +1,135 @@ +package org.spongycastle.cert.crmf.jcajce; + +import java.io.OutputStream; +import java.security.AlgorithmParameters; +import java.security.GeneralSecurityException; +import java.security.Provider; +import java.security.SecureRandom; + +import javax.crypto.Cipher; +import javax.crypto.CipherOutputStream; +import javax.crypto.KeyGenerator; +import javax.crypto.SecretKey; + +import org.spongycastle.asn1.ASN1ObjectIdentifier; +import org.spongycastle.asn1.x509.AlgorithmIdentifier; +import org.spongycastle.cert.crmf.CRMFException; +import org.spongycastle.jcajce.util.DefaultJcaJceHelper; +import org.spongycastle.jcajce.util.NamedJcaJceHelper; +import org.spongycastle.jcajce.util.ProviderJcaJceHelper; +import org.spongycastle.operator.GenericKey; +import org.spongycastle.operator.OutputEncryptor; + +public class JceCRMFEncryptorBuilder +{ + private ASN1ObjectIdentifier encryptionOID; + private int keySize; + + private CRMFHelper helper = new CRMFHelper(new DefaultJcaJceHelper()); + private SecureRandom random; + + public JceCRMFEncryptorBuilder(ASN1ObjectIdentifier encryptionOID) + { + this(encryptionOID, -1); + } + + public JceCRMFEncryptorBuilder(ASN1ObjectIdentifier encryptionOID, int keySize) + { + this.encryptionOID = encryptionOID; + this.keySize = keySize; + } + + public JceCRMFEncryptorBuilder setProvider(Provider provider) + { + this.helper = new CRMFHelper(new ProviderJcaJceHelper(provider)); + + return this; + } + + public JceCRMFEncryptorBuilder setProvider(String providerName) + { + this.helper = new CRMFHelper(new NamedJcaJceHelper(providerName)); + + return this; + } + + public JceCRMFEncryptorBuilder setSecureRandom(SecureRandom random) + { + this.random = random; + + return this; + } + + public OutputEncryptor build() + throws CRMFException + { + return new CRMFOutputEncryptor(encryptionOID, keySize, random); + } + + private class CRMFOutputEncryptor + implements OutputEncryptor + { + private SecretKey encKey; + private AlgorithmIdentifier algorithmIdentifier; + private Cipher cipher; + + CRMFOutputEncryptor(ASN1ObjectIdentifier encryptionOID, int keySize, SecureRandom random) + throws CRMFException + { + KeyGenerator keyGen = helper.createKeyGenerator(encryptionOID); + + if (random == null) + { + random = new SecureRandom(); + } + + if (keySize < 0) + { + keyGen.init(random); + } + else + { + keyGen.init(keySize, random); + } + + cipher = helper.createCipher(encryptionOID); + encKey = keyGen.generateKey(); + AlgorithmParameters params = helper.generateParameters(encryptionOID, encKey, random); + + try + { + cipher.init(Cipher.ENCRYPT_MODE, encKey, params, random); + } + catch (GeneralSecurityException e) + { + throw new CRMFException("unable to initialize cipher: " + e.getMessage(), e); + } + + // + // If params are null we try and second guess on them as some providers don't provide + // algorithm parameter generation explicity but instead generate them under the hood. + // + if (params == null) + { + params = cipher.getParameters(); + } + + algorithmIdentifier = helper.getAlgorithmIdentifier(encryptionOID, params); + } + + public AlgorithmIdentifier getAlgorithmIdentifier() + { + return algorithmIdentifier; + } + + public OutputStream getOutputStream(OutputStream dOut) + { + return new CipherOutputStream(dOut, cipher); + } + + public GenericKey getKey() + { + return new GenericKey(encKey); + } + } +} diff --git a/pkix/src/main/jdk1.2/org/spongycastle/cert/jcajce/JcaAttrCertStore.java b/pkix/src/main/jdk1.2/org/spongycastle/cert/jcajce/JcaAttrCertStore.java new file mode 100644 index 00000000..3135567b --- /dev/null +++ b/pkix/src/main/jdk1.2/org/spongycastle/cert/jcajce/JcaAttrCertStore.java @@ -0,0 +1,72 @@ +package org.spongycastle.cert.jcajce; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Collections; +import java.util.Iterator; +import java.util.List; + +import org.spongycastle.util.CollectionStore; +import org.spongycastle.x509.X509AttributeCertificate; + +/** + * Class for storing Attribute Certificates for later lookup. + * <p> + * The class will convert X509AttributeCertificate objects into X509AttributeCertificateHolder objects. + * </p> + */ +public class JcaAttrCertStore + extends CollectionStore +{ + /** + * Basic constructor. + * + * @param collection - initial contents for the store, this is copied. + */ + public JcaAttrCertStore(Collection collection) + throws IOException + { + super(convertCerts(collection)); + } + + public JcaAttrCertStore(X509AttributeCertificate attrCert) + throws IOException + { + this(convertCert(attrCert)); + } + + private static Collection convertCert(X509AttributeCertificate attrCert) + throws IOException + { + List tmp = new ArrayList(); + + tmp.add(attrCert); + + return convertCerts(tmp); + } + + private static Collection convertCerts(Collection collection) + throws IOException + { + List list = new ArrayList(collection.size()); + + for (Iterator it = collection.iterator(); it.hasNext();) + { + Object o = it.next(); + + if (o instanceof X509AttributeCertificate) + { + X509AttributeCertificate cert = (X509AttributeCertificate)o; + + list.add(new JcaX509AttributeCertificateHolder(cert)); + } + else + { + list.add(o); + } + } + + return list; + } +} |