org.bouncycastle.openssl.PEMEncryptedKeyPair.java Source code

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Here is the source code for org.bouncycastle.openssl.PEMEncryptedKeyPair.java

Source

package org.bouncycastle.openssl;

import java.io.IOException;

import org.bouncycastle.operator.OperatorCreationException;

public class PEMEncryptedKeyPair {
    private final String dekAlgName;
    private final byte[] iv;
    private final byte[] keyBytes;
    private final PEMKeyPairParser parser;

    PEMEncryptedKeyPair(String dekAlgName, byte[] iv, byte[] keyBytes, PEMKeyPairParser parser) {
        this.dekAlgName = dekAlgName;
        this.iv = iv;
        this.keyBytes = keyBytes;
        this.parser = parser;
    }

    /**
     * Return the key encryption algorithm name that was in the original DEK-Info field.
     *
     * @return the key encryption algorithm name.
     */
    public String getDekAlgName() {
        return dekAlgName;
    }

    public PEMKeyPair decryptKeyPair(PEMDecryptorProvider keyDecryptorProvider) throws IOException {
        try {
            PEMDecryptor keyDecryptor = keyDecryptorProvider.get(dekAlgName);

            return parser.parse(keyDecryptor.decrypt(keyBytes, iv));
        } catch (IOException e) {
            throw e;
        } catch (OperatorCreationException e) {
            throw new PEMException("cannot create extraction operator: " + e.getMessage(), e);
        } catch (Exception e) {
            throw new PEMException("exception processing key pair: " + e.getMessage(), e);
        }
    }
}