diff options
author | Roberto Tyley <roberto.tyley@gmail.com> | 2014-07-15 01:38:01 +0400 |
---|---|---|
committer | Roberto Tyley <roberto.tyley@gmail.com> | 2014-07-26 11:23:17 +0400 |
commit | 7cb752aaf746dc0b473afeb9e892b7fbc12666c5 (patch) | |
tree | cc4f91ddc18332b5adbe82e3fcb040d976c90105 /pkix/src/main/java/org/spongycastle/cms/jcajce/JceKEKEnvelopedRecipient.java | |
parent | 551830f8ea5177042af2c7dd1fc90888bc67387d (diff) |
Execute become-spongy.sh
https://github.com/rtyley/spongycastle/blob/3040af/become-spongy.sh
Diffstat (limited to 'pkix/src/main/java/org/spongycastle/cms/jcajce/JceKEKEnvelopedRecipient.java')
-rw-r--r-- | pkix/src/main/java/org/spongycastle/cms/jcajce/JceKEKEnvelopedRecipient.java | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/pkix/src/main/java/org/spongycastle/cms/jcajce/JceKEKEnvelopedRecipient.java b/pkix/src/main/java/org/spongycastle/cms/jcajce/JceKEKEnvelopedRecipient.java new file mode 100644 index 00000000..8bf94006 --- /dev/null +++ b/pkix/src/main/java/org/spongycastle/cms/jcajce/JceKEKEnvelopedRecipient.java @@ -0,0 +1,43 @@ +package org.spongycastle.cms.jcajce; + +import java.io.InputStream; +import java.security.Key; + +import javax.crypto.Cipher; +import javax.crypto.CipherInputStream; +import javax.crypto.SecretKey; + +import org.spongycastle.asn1.x509.AlgorithmIdentifier; +import org.spongycastle.cms.CMSException; +import org.spongycastle.cms.RecipientOperator; +import org.spongycastle.operator.InputDecryptor; + +public class JceKEKEnvelopedRecipient + extends JceKEKRecipient +{ + public JceKEKEnvelopedRecipient(SecretKey recipientKey) + { + super(recipientKey); + } + + public RecipientOperator getRecipientOperator(AlgorithmIdentifier keyEncryptionAlgorithm, final AlgorithmIdentifier contentEncryptionAlgorithm, byte[] encryptedContentEncryptionKey) + throws CMSException + { + Key secretKey = extractSecretKey(keyEncryptionAlgorithm, contentEncryptionAlgorithm, encryptedContentEncryptionKey); + + final Cipher dataCipher = contentHelper.createContentCipher(secretKey, contentEncryptionAlgorithm); + + return new RecipientOperator(new InputDecryptor() + { + public AlgorithmIdentifier getAlgorithmIdentifier() + { + return contentEncryptionAlgorithm; + } + + public InputStream getInputStream(InputStream dataOut) + { + return new CipherInputStream(dataOut, dataCipher); + } + }); + } +} |