BaseCipherSpi.smali

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


# instance fields
.field private availableSpecs:[Ljava/lang/Class;

.field protected engineParams:Ljava/security/AlgorithmParameters;

.field private final helper:Lorg/spongycastle/jcajce/util/JcaJceHelper;

.field private iv:[B

.field private ivSize:I

.field protected wrapEngine:Lorg/spongycastle/crypto/Wrapper;


# direct methods
.method protected constructor <init>()V
    .registers 5

    .prologue
    const/4 v3, 0x0

    .line 56
    invoke-direct {p0}, Ljavax/crypto/CipherSpi;-><init>()V

    .line 38
    const/4 v0, 0x4

    new-array v0, v0, [Ljava/lang/Class;

    const/4 v1, 0x0

    const-class v2, Ljavax/crypto/spec/IvParameterSpec;

    aput-object v2, v0, v1

    const/4 v1, 0x1

    const-class v2, Ljavax/crypto/spec/PBEParameterSpec;

    aput-object v2, v0, v1

    const/4 v1, 0x2

    const-class v2, Ljavax/crypto/spec/RC2ParameterSpec;

    aput-object v2, v0, v1

    const/4 v1, 0x3

    const-class v2, Ljavax/crypto/spec/RC5ParameterSpec;

    aput-object v2, v0, v1

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->availableSpecs:[Ljava/lang/Class;

    .line 46
    new-instance v0, Lorg/spongycastle/jcajce/util/BCJcaJceHelper;

    invoke-direct {v0}, Lorg/spongycastle/jcajce/util/BCJcaJceHelper;-><init>()V

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->helper:Lorg/spongycastle/jcajce/util/JcaJceHelper;

    .line 48
    iput-object v3, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->engineParams:Ljava/security/AlgorithmParameters;

    .line 50
    iput-object v3, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->wrapEngine:Lorg/spongycastle/crypto/Wrapper;

    .line 57
    return-void
.end method


# virtual methods
.method protected final createParametersInstance(Ljava/lang/String;)Ljava/security/AlgorithmParameters;
    .registers 3

    .prologue
    .line 89
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->helper:Lorg/spongycastle/jcajce/util/JcaJceHelper;

    invoke-interface {v0, p1}, Lorg/spongycastle/jcajce/util/JcaJceHelper;->createAlgorithmParameters(Ljava/lang/String;)Ljava/security/AlgorithmParameters;

    move-result-object v0

    return-object v0
.end method

.method public engineGetBlockSize()I
    .registers 2

    .prologue
    .line 61
    const/4 v0, 0x0

    return v0
.end method

.method protected engineGetIV()[B
    .registers 2

    .prologue
    .line 66
    const/4 v0, 0x0

    return-object v0
.end method

.method public engineGetKeySize(Ljava/security/Key;)I
    .registers 3

    .prologue
    .line 72
    invoke-interface {p1}, Ljava/security/Key;->getEncoded()[B

    move-result-object v0

    array-length v0, v0

    return v0
.end method

.method public engineGetOutputSize(I)I
    .registers 3

    .prologue
    .line 78
    const/4 v0, -0x1

    return v0
.end method

.method public engineGetParameters()Ljava/security/AlgorithmParameters;
    .registers 2

    .prologue
    .line 83
    const/4 v0, 0x0

    return-object v0
.end method

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

    .prologue
    .line 96
    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 public engineSetPadding(Ljava/lang/String;)V
    .registers 5

    .prologue
    .line 103
    new-instance v0, Ljavax/crypto/NoSuchPaddingException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Padding "

    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

    const-string v2, " unknown."

    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 engineUnwrap([BLjava/lang/String;I)Ljava/security/Key;
    .registers 8

    .prologue
    const/4 v3, 0x2

    .line 142
    :try_start_1
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->wrapEngine:Lorg/spongycastle/crypto/Wrapper;

    if-nez v0, :cond_15

    .line 144
    const/4 v0, 0x0

    array-length v1, p1

    invoke-virtual {p0, p1, v0, v1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->engineDoFinal([BII)[B
    :try_end_a
    .catch Lorg/spongycastle/crypto/InvalidCipherTextException; {:try_start_1 .. :try_end_a} :catch_1f
    .catch Ljavax/crypto/BadPaddingException; {:try_start_1 .. :try_end_a} :catch_2a
    .catch Ljavax/crypto/IllegalBlockSizeException; {:try_start_1 .. :try_end_a} :catch_35

    move-result-object v0

    move-object v1, v0

    .line 164
    :goto_c
    const/4 v0, 0x3

    if-ne p3, v0, :cond_40

    .line 166
    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    invoke-direct {v0, v1, p2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    .line 206
    :cond_14
    :goto_14
    return-object v0

    .line 148
    :cond_15
    :try_start_15
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->wrapEngine:Lorg/spongycastle/crypto/Wrapper;

    const/4 v1, 0x0

    array-length v2, p1

    invoke-interface {v0, p1, v1, v2}, Lorg/spongycastle/crypto/Wrapper;->unwrap([BII)[B
    :try_end_1c
    .catch Lorg/spongycastle/crypto/InvalidCipherTextException; {:try_start_15 .. :try_end_1c} :catch_1f
    .catch Ljavax/crypto/BadPaddingException; {:try_start_15 .. :try_end_1c} :catch_2a
    .catch Ljavax/crypto/IllegalBlockSizeException; {:try_start_15 .. :try_end_1c} :catch_35

    move-result-object v0

    move-object v1, v0

    .line 162
    goto :goto_c

    .line 151
    :catch_1f
    move-exception v0

    .line 153
    new-instance v1, Ljava/security/InvalidKeyException;

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

    move-result-object v0

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

    throw v1

    .line 155
    :catch_2a
    move-exception v0

    .line 157
    new-instance v1, Ljava/security/InvalidKeyException;

    invoke-virtual {v0}, Ljavax/crypto/BadPaddingException;->getMessage()Ljava/lang/String;

    move-result-object v0

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

    throw v1

    .line 159
    :catch_35
    move-exception v0

    .line 161
    new-instance v1, Ljava/security/InvalidKeyException;

    invoke-virtual {v0}, Ljavax/crypto/IllegalBlockSizeException;->getMessage()Ljava/lang/String;

    move-result-object v0

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

    throw v1

    .line 168
    :cond_40
    const-string v0, ""

    invoke-virtual {p2, v0}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_80

    if-ne p3, v3, :cond_80

    .line 176
    :try_start_4a
    invoke-static {v1}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;

    move-result-object v1

    .line 178
    invoke-static {v1}, Lorg/spongycastle/jce/provider/BouncyCastleProvider;->getPrivateKey(Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;)Ljava/security/PrivateKey;

    move-result-object v0

    .line 180
    if-nez v0, :cond_14

    .line 186
    new-instance v0, Ljava/security/InvalidKeyException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "algorithm "

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

    invoke-virtual {v1}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->getPrivateKeyAlgorithm()Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    move-result-object v1

    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v1

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

    move-result-object v1

    const-string v2, " not supported"

    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/InvalidKeyException;-><init>(Ljava/lang/String;)V

    throw v0
    :try_end_77
    .catch Ljava/lang/Exception; {:try_start_4a .. :try_end_77} :catch_77

    .line 191
    :catch_77
    move-exception v0

    new-instance v0, Ljava/security/InvalidKeyException;

    const-string v1, "Invalid key encoding."

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

    throw v0

    .line 198
    :cond_80
    :try_start_80
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->helper:Lorg/spongycastle/jcajce/util/JcaJceHelper;

    invoke-interface {v0, p2}, Lorg/spongycastle/jcajce/util/JcaJceHelper;->createKeyFactory(Ljava/lang/String;)Ljava/security/KeyFactory;

    move-result-object v0

    .line 200
    const/4 v2, 0x1

    if-ne p3, v2, :cond_93

    .line 202
    new-instance v2, Ljava/security/spec/X509EncodedKeySpec;

    invoke-direct {v2, v1}, Ljava/security/spec/X509EncodedKeySpec;-><init>([B)V

    invoke-virtual {v0, v2}, Ljava/security/KeyFactory;->generatePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;

    move-result-object v0

    goto :goto_14

    .line 204
    :cond_93
    if-ne p3, v3, :cond_ee

    .line 206
    new-instance v2, Ljava/security/spec/PKCS8EncodedKeySpec;

    invoke-direct {v2, v1}, Ljava/security/spec/PKCS8EncodedKeySpec;-><init>([B)V

    invoke-virtual {v0, v2}, Ljava/security/KeyFactory;->generatePrivate(Ljava/security/spec/KeySpec;)Ljava/security/PrivateKey;
    :try_end_9d
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_80 .. :try_end_9d} :catch_a0
    .catch Ljava/security/spec/InvalidKeySpecException; {:try_start_80 .. :try_end_9d} :catch_ba
    .catch Ljava/security/NoSuchProviderException; {:try_start_80 .. :try_end_9d} :catch_d4

    move-result-object v0

    goto/16 :goto_14

    .line 209
    :catch_a0
    move-exception v0

    .line 211
    new-instance v1, Ljava/security/InvalidKeyException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Unknown key type "

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

    invoke-virtual {v0}, Ljava/security/NoSuchAlgorithmException;->getMessage()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}, Ljava/security/InvalidKeyException;-><init>(Ljava/lang/String;)V

    throw v1

    .line 213
    :catch_ba
    move-exception v0

    .line 215
    new-instance v1, Ljava/security/InvalidKeyException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Unknown key type "

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

    invoke-virtual {v0}, Ljava/security/spec/InvalidKeySpecException;->getMessage()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}, Ljava/security/InvalidKeyException;-><init>(Ljava/lang/String;)V

    throw v1

    .line 217
    :catch_d4
    move-exception v0

    .line 219
    new-instance v1, Ljava/security/InvalidKeyException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Unknown key type "

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

    invoke-virtual {v0}, Ljava/security/NoSuchProviderException;->getMessage()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}, Ljava/security/InvalidKeyException;-><init>(Ljava/lang/String;)V

    throw v1

    .line 222
    :cond_ee
    new-instance v0, Ljava/security/InvalidKeyException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Unknown key type "

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

    invoke-virtual {v1, p3}, Ljava/lang/StringBuilder;->append(I)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/InvalidKeyException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method protected engineWrap(Ljava/security/Key;)[B
    .registers 6

    .prologue
    .line 110
    invoke-interface {p1}, Ljava/security/Key;->getEncoded()[B

    move-result-object v0

    .line 111
    if-nez v0, :cond_e

    .line 113
    new-instance v0, Ljava/security/InvalidKeyException;

    const-string v1, "Cannot wrap key, null encoding."

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

    throw v0

    .line 118
    :cond_e
    :try_start_e
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->wrapEngine:Lorg/spongycastle/crypto/Wrapper;

    if-nez v1, :cond_19

    .line 120
    const/4 v1, 0x0

    array-length v2, v0

    invoke-virtual {p0, v0, v1, v2}, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->engineDoFinal([BII)[B

    move-result-object v0

    .line 124
    :goto_18
    return-object v0

    :cond_19
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseCipherSpi;->wrapEngine:Lorg/spongycastle/crypto/Wrapper;

    const/4 v2, 0x0

    array-length v3, v0

    invoke-interface {v1, v0, v2, v3}, Lorg/spongycastle/crypto/Wrapper;->wrap([BII)[B
    :try_end_20
    .catch Ljavax/crypto/BadPaddingException; {:try_start_e .. :try_end_20} :catch_22

    move-result-object v0

    goto :goto_18

    .line 127
    :catch_22
    move-exception v0

    .line 129
    new-instance v1, Ljavax/crypto/IllegalBlockSizeException;

    invoke-virtual {v0}, Ljavax/crypto/BadPaddingException;->getMessage()Ljava/lang/String;

    move-result-object v0

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

    throw v1
.end method