CipherSpi.smali

.class public Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;
.super Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;
.source "CipherSpi.java"


# instance fields
.field private cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

.field private engineParams:Ljava/security/AlgorithmParameters;

.field private paramSpec:Ljava/security/spec/AlgorithmParameterSpec;


# direct methods
.method public constructor <init>(Lorg/spongycastle/crypto/AsymmetricBlockCipher;)V
    .registers 3

    .prologue
    .line 48
    invoke-direct {p0}, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;-><init>()V

    .line 49
    new-instance v0, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    invoke-direct {v0, p1}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;-><init>(Lorg/spongycastle/crypto/AsymmetricBlockCipher;)V

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    .line 50
    return-void
.end method

.method private initFromSpec(Ljavax/crypto/spec/OAEPParameterSpec;)V
    .registers 7

    .prologue
    .line 56
    invoke-virtual {p1}, Ljavax/crypto/spec/OAEPParameterSpec;->getMGFParameters()Ljava/security/spec/AlgorithmParameterSpec;

    move-result-object v0

    check-cast v0, Ljava/security/spec/MGF1ParameterSpec;

    .line 57
    invoke-virtual {v0}, Ljava/security/spec/MGF1ParameterSpec;->getDigestAlgorithm()Ljava/lang/String;

    move-result-object v1

    invoke-static {v1}, Lorg/spongycastle/jcajce/provider/util/DigestFactory;->getDigest(Ljava/lang/String;)Lorg/spongycastle/crypto/Digest;

    move-result-object v1

    .line 59
    if-nez v1, :cond_29

    .line 61
    new-instance v1, Ljavax/crypto/NoSuchPaddingException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "no match on OAEP constructor for digest algorithm: "

    invoke-direct {v2, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v0}, Ljava/security/spec/MGF1ParameterSpec;->getDigestAlgorithm()Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    invoke-direct {v1, v0}, Ljavax/crypto/NoSuchPaddingException;-><init>(Ljava/lang/String;)V

    throw v1

    .line 64
    :cond_29
    new-instance v2, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    new-instance v3, Lorg/spongycastle/crypto/encodings/OAEPEncoding;

    new-instance v4, Lorg/spongycastle/crypto/engines/ElGamalEngine;

    invoke-direct {v4}, Lorg/spongycastle/crypto/engines/ElGamalEngine;-><init>()V

    invoke-virtual {p1}, Ljavax/crypto/spec/OAEPParameterSpec;->getPSource()Ljavax/crypto/spec/PSource;

    move-result-object v0

    check-cast v0, Ljavax/crypto/spec/PSource$PSpecified;

    invoke-virtual {v0}, Ljavax/crypto/spec/PSource$PSpecified;->getValue()[B

    move-result-object v0

    invoke-direct {v3, v4, v1, v0}, Lorg/spongycastle/crypto/encodings/OAEPEncoding;-><init>(Lorg/spongycastle/crypto/AsymmetricBlockCipher;Lorg/spongycastle/crypto/Digest;[B)V

    invoke-direct {v2, v3}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;-><init>(Lorg/spongycastle/crypto/AsymmetricBlockCipher;)V

    iput-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    .line 65
    iput-object p1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->paramSpec:Ljava/security/spec/AlgorithmParameterSpec;

    .line 66
    return-void
.end method


# virtual methods
.method protected engineDoFinal([BII[BI)I
    .registers 10

    .prologue
    .line 300
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    invoke-virtual {v0, p1, p2, p3}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->processBytes([BII)V

    .line 304
    :try_start_5
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->doFinal()[B
    :try_end_a
    .catch Lorg/spongycastle/crypto/InvalidCipherTextException; {:try_start_5 .. :try_end_a} :catch_18

    move-result-object v1

    .line 311
    const/4 v0, 0x0

    :goto_c
    array-length v2, v1

    if-eq v0, v2, :cond_23

    .line 313
    add-int v2, p5, v0

    aget-byte v3, v1, v0

    aput-byte v3, p4, v2

    .line 311
    add-int/lit8 v0, v0, 0x1

    goto :goto_c

    .line 306
    :catch_18
    move-exception v0

    .line 308
    new-instance v1, Ljavax/crypto/BadPaddingException;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/InvalidCipherTextException;->getMessage()Ljava/lang/String;

    move-result-object v0

    invoke-direct {v1, v0}, Ljavax/crypto/BadPaddingException;-><init>(Ljava/lang/String;)V

    throw v1

    .line 316
    :cond_23
    array-length v0, v1

    return v0
.end method

.method protected engineDoFinal([BII)[B
    .registers 6

    .prologue
    .line 279
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    invoke-virtual {v0, p1, p2, p3}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->processBytes([BII)V

    .line 282
    :try_start_5
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->doFinal()[B
    :try_end_a
    .catch Lorg/spongycastle/crypto/InvalidCipherTextException; {:try_start_5 .. :try_end_a} :catch_c

    move-result-object v0

    return-object v0

    .line 284
    :catch_c
    move-exception v0

    .line 286
    new-instance v1, Ljavax/crypto/BadPaddingException;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/InvalidCipherTextException;->getMessage()Ljava/lang/String;

    move-result-object v0

    invoke-direct {v1, v0}, Ljavax/crypto/BadPaddingException;-><init>(Ljava/lang/String;)V

    throw v1
.end method

.method protected engineGetBlockSize()I
    .registers 2

    .prologue
    .line 70
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->getInputBlockSize()I

    move-result v0

    return v0
.end method

.method protected engineGetKeySize(Ljava/security/Key;)I
    .registers 4

    .prologue
    .line 76
    instance-of v0, p1, Lorg/spongycastle/jce/interfaces/ElGamalKey;

    if-eqz v0, :cond_13

    .line 78
    check-cast p1, Lorg/spongycastle/jce/interfaces/ElGamalKey;

    .line 80
    invoke-interface {p1}, Lorg/spongycastle/jce/interfaces/ElGamalKey;->getParameters()Lorg/spongycastle/jce/spec/ElGamalParameterSpec;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/jce/spec/ElGamalParameterSpec;->getP()Ljava/math/BigInteger;

    move-result-object v0

    invoke-virtual {v0}, Ljava/math/BigInteger;->bitLength()I

    move-result v0

    .line 86
    :goto_12
    return v0

    .line 82
    :cond_13
    instance-of v0, p1, Ljavax/crypto/interfaces/DHKey;

    if-eqz v0, :cond_26

    .line 84
    check-cast p1, Ljavax/crypto/interfaces/DHKey;

    .line 86
    invoke-interface {p1}, Ljavax/crypto/interfaces/DHKey;->getParams()Ljavax/crypto/spec/DHParameterSpec;

    move-result-object v0

    invoke-virtual {v0}, Ljavax/crypto/spec/DHParameterSpec;->getP()Ljava/math/BigInteger;

    move-result-object v0

    invoke-virtual {v0}, Ljava/math/BigInteger;->bitLength()I

    move-result v0

    goto :goto_12

    .line 89
    :cond_26
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "not an ElGamal key!"

    invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method protected engineGetOutputSize(I)I
    .registers 3

    .prologue
    .line 95
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->getOutputBlockSize()I

    move-result v0

    return v0
.end method

.method protected engineGetParameters()Ljava/security/AlgorithmParameters;
    .registers 3

    .prologue
    .line 100
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->engineParams:Ljava/security/AlgorithmParameters;

    if-nez v0, :cond_17

    .line 102
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->paramSpec:Ljava/security/spec/AlgorithmParameterSpec;

    if-eqz v0, :cond_17

    .line 106
    :try_start_8
    const-string v0, "OAEP"

    invoke-virtual {p0, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->createParametersInstance(Ljava/lang/String;)Ljava/security/AlgorithmParameters;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->engineParams:Ljava/security/AlgorithmParameters;

    .line 107
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->engineParams:Ljava/security/AlgorithmParameters;

    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->paramSpec:Ljava/security/spec/AlgorithmParameterSpec;

    invoke-virtual {v0, v1}, Ljava/security/AlgorithmParameters;->init(Ljava/security/spec/AlgorithmParameterSpec;)V
    :try_end_17
    .catch Ljava/lang/Exception; {:try_start_8 .. :try_end_17} :catch_1a

    .line 116
    :cond_17
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->engineParams:Ljava/security/AlgorithmParameters;

    return-object v0

    .line 109
    :catch_1a
    move-exception v0

    .line 111
    new-instance v1, Ljava/lang/RuntimeException;

    invoke-virtual {v0}, Ljava/lang/Exception;->toString()Ljava/lang/String;

    move-result-object v0

    invoke-direct {v1, v0}, Ljava/lang/RuntimeException;-><init>(Ljava/lang/String;)V

    throw v1
.end method

.method protected engineInit(ILjava/security/Key;Ljava/security/AlgorithmParameters;Ljava/security/SecureRandom;)V
    .registers 7

    .prologue
    .line 241
    new-instance v0, Ljava/security/InvalidAlgorithmParameterException;

    const-string v1, "can\'t handle parameters in ElGamal"

    invoke-direct {v0, v1}, Ljava/security/InvalidAlgorithmParameterException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method protected engineInit(ILjava/security/Key;Ljava/security/SecureRandom;)V
    .registers 5

    .prologue
    .line 250
    const/4 v0, 0x0

    invoke-virtual {p0, p1, p2, v0, p3}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->engineInit(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V

    .line 251
    return-void
.end method

.method protected engineInit(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    .registers 8

    .prologue
    .line 194
    if-nez p3, :cond_44

    .line 196
    instance-of v0, p2, Lorg/spongycastle/jce/interfaces/ElGamalPublicKey;

    if-eqz v0, :cond_31

    .line 198
    check-cast p2, Ljava/security/PublicKey;

    invoke-static {p2}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/ElGamalUtil;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v1

    .line 214
    :goto_c
    if-eqz p4, :cond_5a

    .line 216
    new-instance v0, Lorg/spongycastle/crypto/params/ParametersWithRandom;

    invoke-direct {v0, v1, p4}, Lorg/spongycastle/crypto/params/ParametersWithRandom;-><init>(Lorg/spongycastle/crypto/CipherParameters;Ljava/security/SecureRandom;)V

    .line 219
    :goto_13
    packed-switch p1, :pswitch_data_5c

    .line 230
    new-instance v0, Ljava/security/InvalidParameterException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "unknown opmode "

    invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, " passed to ElGamal"

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-direct {v0, v1}, Ljava/security/InvalidParameterException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 200
    :cond_31
    instance-of v0, p2, Lorg/spongycastle/jce/interfaces/ElGamalPrivateKey;

    if-eqz v0, :cond_3c

    .line 202
    check-cast p2, Ljava/security/PrivateKey;

    invoke-static {p2}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/ElGamalUtil;->generatePrivateKeyParameter(Ljava/security/PrivateKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v1

    goto :goto_c

    .line 206
    :cond_3c
    new-instance v0, Ljava/security/InvalidKeyException;

    const-string v1, "unknown key type passed to ElGamal"

    invoke-direct {v0, v1}, Ljava/security/InvalidKeyException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 211
    :cond_44
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "unknown parameter type."

    invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 223
    :pswitch_4c
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    const/4 v2, 0x1

    invoke-virtual {v1, v2, v0}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->init(ZLorg/spongycastle/crypto/CipherParameters;)V

    .line 228
    :goto_52
    return-void

    .line 227
    :pswitch_53
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    const/4 v2, 0x0

    invoke-virtual {v1, v2, v0}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->init(ZLorg/spongycastle/crypto/CipherParameters;)V

    goto :goto_52

    :cond_5a
    move-object v0, v1

    goto :goto_13

    .line 219
    :pswitch_data_5c
    .packed-switch 0x1
        :pswitch_4c
        :pswitch_53
        :pswitch_4c
        :pswitch_53
    .end packed-switch
.end method

.method protected engineSetMode(Ljava/lang/String;)V
    .registers 5

    .prologue
    .line 123
    invoke-static {p1}, Lorg/spongycastle/util/Strings;->toUpperCase(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    .line 125
    const-string v1, "NONE"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-nez v1, :cond_14

    const-string v1, "ECB"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_15

    .line 127
    :cond_14
    return-void

    .line 130
    :cond_15
    new-instance v0, Ljava/security/NoSuchAlgorithmException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "can\'t support mode "

    invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-direct {v0, v1}, Ljava/security/NoSuchAlgorithmException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method protected engineSetPadding(Ljava/lang/String;)V
    .registers 7

    .prologue
    .line 137
    invoke-static {p1}, Lorg/spongycastle/util/Strings;->toUpperCase(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    .line 139
    const-string v1, "NOPADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_19

    .line 141
    new-instance v0, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    new-instance v1, Lorg/spongycastle/crypto/engines/ElGamalEngine;

    invoke-direct {v1}, Lorg/spongycastle/crypto/engines/ElGamalEngine;-><init>()V

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;-><init>(Lorg/spongycastle/crypto/AsymmetricBlockCipher;)V

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    .line 177
    :goto_18
    return-void

    .line 143
    :cond_19
    const-string v1, "PKCS1PADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_33

    .line 145
    new-instance v0, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    new-instance v1, Lorg/spongycastle/crypto/encodings/PKCS1Encoding;

    new-instance v2, Lorg/spongycastle/crypto/engines/ElGamalEngine;

    invoke-direct {v2}, Lorg/spongycastle/crypto/engines/ElGamalEngine;-><init>()V

    invoke-direct {v1, v2}, Lorg/spongycastle/crypto/encodings/PKCS1Encoding;-><init>(Lorg/spongycastle/crypto/AsymmetricBlockCipher;)V

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;-><init>(Lorg/spongycastle/crypto/AsymmetricBlockCipher;)V

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    goto :goto_18

    .line 147
    :cond_33
    const-string v1, "ISO9796-1PADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_4d

    .line 149
    new-instance v0, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    new-instance v1, Lorg/spongycastle/crypto/encodings/ISO9796d1Encoding;

    new-instance v2, Lorg/spongycastle/crypto/engines/ElGamalEngine;

    invoke-direct {v2}, Lorg/spongycastle/crypto/engines/ElGamalEngine;-><init>()V

    invoke-direct {v1, v2}, Lorg/spongycastle/crypto/encodings/ISO9796d1Encoding;-><init>(Lorg/spongycastle/crypto/AsymmetricBlockCipher;)V

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;-><init>(Lorg/spongycastle/crypto/AsymmetricBlockCipher;)V

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    goto :goto_18

    .line 151
    :cond_4d
    const-string v1, "OAEPPADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_5b

    .line 153
    sget-object v0, Ljavax/crypto/spec/OAEPParameterSpec;->DEFAULT:Ljavax/crypto/spec/OAEPParameterSpec;

    invoke-direct {p0, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->initFromSpec(Ljavax/crypto/spec/OAEPParameterSpec;)V

    goto :goto_18

    .line 155
    :cond_5b
    const-string v1, "OAEPWITHMD5ANDMGF1PADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_79

    .line 157
    new-instance v0, Ljavax/crypto/spec/OAEPParameterSpec;

    const-string v1, "MD5"

    const-string v2, "MGF1"

    new-instance v3, Ljava/security/spec/MGF1ParameterSpec;

    const-string v4, "MD5"

    invoke-direct {v3, v4}, Ljava/security/spec/MGF1ParameterSpec;-><init>(Ljava/lang/String;)V

    sget-object v4, Ljavax/crypto/spec/PSource$PSpecified;->DEFAULT:Ljavax/crypto/spec/PSource$PSpecified;

    invoke-direct {v0, v1, v2, v3, v4}, Ljavax/crypto/spec/OAEPParameterSpec;-><init>(Ljava/lang/String;Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;Ljavax/crypto/spec/PSource;)V

    invoke-direct {p0, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->initFromSpec(Ljavax/crypto/spec/OAEPParameterSpec;)V

    goto :goto_18

    .line 159
    :cond_79
    const-string v1, "OAEPWITHSHA1ANDMGF1PADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_87

    .line 161
    sget-object v0, Ljavax/crypto/spec/OAEPParameterSpec;->DEFAULT:Ljavax/crypto/spec/OAEPParameterSpec;

    invoke-direct {p0, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->initFromSpec(Ljavax/crypto/spec/OAEPParameterSpec;)V

    goto :goto_18

    .line 163
    :cond_87
    const-string v1, "OAEPWITHSHA224ANDMGF1PADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_a6

    .line 165
    new-instance v0, Ljavax/crypto/spec/OAEPParameterSpec;

    const-string v1, "SHA-224"

    const-string v2, "MGF1"

    new-instance v3, Ljava/security/spec/MGF1ParameterSpec;

    const-string v4, "SHA-224"

    invoke-direct {v3, v4}, Ljava/security/spec/MGF1ParameterSpec;-><init>(Ljava/lang/String;)V

    sget-object v4, Ljavax/crypto/spec/PSource$PSpecified;->DEFAULT:Ljavax/crypto/spec/PSource$PSpecified;

    invoke-direct {v0, v1, v2, v3, v4}, Ljavax/crypto/spec/OAEPParameterSpec;-><init>(Ljava/lang/String;Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;Ljavax/crypto/spec/PSource;)V

    invoke-direct {p0, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->initFromSpec(Ljavax/crypto/spec/OAEPParameterSpec;)V

    goto/16 :goto_18

    .line 167
    :cond_a6
    const-string v1, "OAEPWITHSHA256ANDMGF1PADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_c0

    .line 169
    new-instance v0, Ljavax/crypto/spec/OAEPParameterSpec;

    const-string v1, "SHA-256"

    const-string v2, "MGF1"

    sget-object v3, Ljava/security/spec/MGF1ParameterSpec;->SHA256:Ljava/security/spec/MGF1ParameterSpec;

    sget-object v4, Ljavax/crypto/spec/PSource$PSpecified;->DEFAULT:Ljavax/crypto/spec/PSource$PSpecified;

    invoke-direct {v0, v1, v2, v3, v4}, Ljavax/crypto/spec/OAEPParameterSpec;-><init>(Ljava/lang/String;Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;Ljavax/crypto/spec/PSource;)V

    invoke-direct {p0, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->initFromSpec(Ljavax/crypto/spec/OAEPParameterSpec;)V

    goto/16 :goto_18

    .line 171
    :cond_c0
    const-string v1, "OAEPWITHSHA384ANDMGF1PADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_da

    .line 173
    new-instance v0, Ljavax/crypto/spec/OAEPParameterSpec;

    const-string v1, "SHA-384"

    const-string v2, "MGF1"

    sget-object v3, Ljava/security/spec/MGF1ParameterSpec;->SHA384:Ljava/security/spec/MGF1ParameterSpec;

    sget-object v4, Ljavax/crypto/spec/PSource$PSpecified;->DEFAULT:Ljavax/crypto/spec/PSource$PSpecified;

    invoke-direct {v0, v1, v2, v3, v4}, Ljavax/crypto/spec/OAEPParameterSpec;-><init>(Ljava/lang/String;Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;Ljavax/crypto/spec/PSource;)V

    invoke-direct {p0, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->initFromSpec(Ljavax/crypto/spec/OAEPParameterSpec;)V

    goto/16 :goto_18

    .line 175
    :cond_da
    const-string v1, "OAEPWITHSHA512ANDMGF1PADDING"

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_f4

    .line 177
    new-instance v0, Ljavax/crypto/spec/OAEPParameterSpec;

    const-string v1, "SHA-512"

    const-string v2, "MGF1"

    sget-object v3, Ljava/security/spec/MGF1ParameterSpec;->SHA512:Ljava/security/spec/MGF1ParameterSpec;

    sget-object v4, Ljavax/crypto/spec/PSource$PSpecified;->DEFAULT:Ljavax/crypto/spec/PSource$PSpecified;

    invoke-direct {v0, v1, v2, v3, v4}, Ljavax/crypto/spec/OAEPParameterSpec;-><init>(Ljava/lang/String;Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;Ljavax/crypto/spec/PSource;)V

    invoke-direct {p0, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->initFromSpec(Ljavax/crypto/spec/OAEPParameterSpec;)V

    goto/16 :goto_18

    .line 181
    :cond_f4
    new-instance v0, Ljavax/crypto/NoSuchPaddingException;

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, " unavailable with ElGamal."

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-direct {v0, v1}, Ljavax/crypto/NoSuchPaddingException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method protected engineUpdate([BII[BI)I
    .registers 7

    .prologue
    .line 269
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    invoke-virtual {v0, p1, p2, p3}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->processBytes([BII)V

    .line 270
    const/4 v0, 0x0

    return v0
.end method

.method protected engineUpdate([BII)[B
    .registers 5

    .prologue
    .line 258
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/elgamal/CipherSpi;->cipher:Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;

    invoke-virtual {v0, p1, p2, p3}, Lorg/spongycastle/crypto/BufferedAsymmetricBlockCipher;->processBytes([BII)V

    .line 259
    const/4 v0, 0x0

    return-object v0
.end method