diff options
Diffstat (limited to 'libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/JcePasswordRecipientInfoGenerator.java')
-rw-r--r-- | libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/JcePasswordRecipientInfoGenerator.java | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/JcePasswordRecipientInfoGenerator.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/JcePasswordRecipientInfoGenerator.java deleted file mode 100644 index e96fd804f..000000000 --- a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/JcePasswordRecipientInfoGenerator.java +++ /dev/null @@ -1,61 +0,0 @@ -package org.spongycastle.cms.jcajce; - -import java.security.GeneralSecurityException; -import java.security.Key; -import java.security.Provider; - -import javax.crypto.Cipher; -import javax.crypto.spec.IvParameterSpec; -import javax.crypto.spec.SecretKeySpec; - -import org.spongycastle.asn1.ASN1ObjectIdentifier; -import org.spongycastle.asn1.ASN1OctetString; -import org.spongycastle.asn1.x509.AlgorithmIdentifier; -import org.spongycastle.cms.CMSException; -import org.spongycastle.cms.PasswordRecipientInfoGenerator; -import org.spongycastle.operator.GenericKey; - -public class JcePasswordRecipientInfoGenerator - extends PasswordRecipientInfoGenerator -{ - private EnvelopedDataHelper helper = new EnvelopedDataHelper(new DefaultJcaJceExtHelper()); - - public JcePasswordRecipientInfoGenerator(ASN1ObjectIdentifier kekAlgorithm, char[] password) - { - super(kekAlgorithm, password); - } - - public JcePasswordRecipientInfoGenerator setProvider(Provider provider) - { - this.helper = new EnvelopedDataHelper(new ProviderJcaJceExtHelper(provider)); - - return this; - } - - public JcePasswordRecipientInfoGenerator setProvider(String providerName) - { - this.helper = new EnvelopedDataHelper(new NamedJcaJceExtHelper(providerName)); - - return this; - } - - public byte[] generateEncryptedBytes(AlgorithmIdentifier keyEncryptionAlgorithm, byte[] derivedKey, GenericKey contentEncryptionKey) - throws CMSException - { - Key contentEncryptionKeySpec = helper.getJceKey(contentEncryptionKey); - Cipher keyEncryptionCipher = helper.createRFC3211Wrapper(keyEncryptionAlgorithm.getAlgorithm()); - - try - { - IvParameterSpec ivSpec = new IvParameterSpec(ASN1OctetString.getInstance(keyEncryptionAlgorithm.getParameters()).getOctets()); - - keyEncryptionCipher.init(Cipher.WRAP_MODE, new SecretKeySpec(derivedKey, keyEncryptionCipher.getAlgorithm()), ivSpec); - - return keyEncryptionCipher.wrap(contentEncryptionKeySpec); - } - catch (GeneralSecurityException e) - { - throw new CMSException("cannot process content encryption key: " + e.getMessage(), e); - } - } -}
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