package org.bouncycastle.pqc.jcajce.provider.mceliece; import java.security.InvalidAlgorithmParameterException; import java.security.InvalidKeyException; import java.security.Key; import java.security.PrivateKey; import java.security.PublicKey; import java.security.SecureRandom; import java.security.spec.AlgorithmParameterSpec; import javax.crypto.BadPaddingException; import javax.crypto.IllegalBlockSizeException; import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers; import org.bouncycastle.asn1.x509.X509ObjectIdentifiers; import org.bouncycastle.crypto.params.ParametersWithRandom; import org.bouncycastle.pqc.crypto.mceliece.McElieceCipher; import org.bouncycastle.pqc.crypto.mceliece.McElieceKeyParameters; import org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher; /* loaded from: classes6.dex */ public class McEliecePKCSCipherSpi extends AsymmetricBlockCipher implements PKCSObjectIdentifiers, X509ObjectIdentifiers { private McElieceCipher cipher; @Override // org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher public byte[] messageEncrypt(byte[] bArr) throws IllegalBlockSizeException, BadPaddingException { try { return this.cipher.messageEncrypt(bArr); } catch (Exception unused) { return null; } } @Override // org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher public byte[] messageDecrypt(byte[] bArr) throws IllegalBlockSizeException, BadPaddingException { try { return this.cipher.messageDecrypt(bArr); } catch (Exception unused) { return null; } } @Override // org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher public void initCipherEncrypt(Key key, AlgorithmParameterSpec algorithmParameterSpec, SecureRandom secureRandom) throws InvalidKeyException, InvalidAlgorithmParameterException { this.cipher.init(true, new ParametersWithRandom(McElieceKeysToParams.generatePublicKeyParameter((PublicKey) key), secureRandom)); this.maxPlainTextSize = this.cipher.maxPlainTextSize; this.cipherTextSize = this.cipher.cipherTextSize; } @Override // org.bouncycastle.pqc.jcajce.provider.util.AsymmetricBlockCipher public void initCipherDecrypt(Key key, AlgorithmParameterSpec algorithmParameterSpec) throws InvalidKeyException, InvalidAlgorithmParameterException { this.cipher.init(false, McElieceKeysToParams.generatePrivateKeyParameter((PrivateKey) key)); this.maxPlainTextSize = this.cipher.maxPlainTextSize; this.cipherTextSize = this.cipher.cipherTextSize; } @Override // org.bouncycastle.pqc.jcajce.provider.util.CipherSpiExt public String getName() { return "McEliecePKCS"; } /* loaded from: classes6.dex */ public static class McEliecePKCS extends McEliecePKCSCipherSpi { public McEliecePKCS() { super(new McElieceCipher()); } } @Override // org.bouncycastle.pqc.jcajce.provider.util.CipherSpiExt public int getKeySize(Key key) throws InvalidKeyException { return this.cipher.getKeySize((McElieceKeyParameters) (key instanceof PublicKey ? McElieceKeysToParams.generatePublicKeyParameter((PublicKey) key) : McElieceKeysToParams.generatePrivateKeyParameter((PrivateKey) key))); } public McEliecePKCSCipherSpi(McElieceCipher mcElieceCipher) { this.cipher = mcElieceCipher; } }