BaseStreamCipher.smali

.class public Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;
.super Lorg/spongycastle/jcajce/provider/symmetric/util/BaseWrapCipher;
.source "BaseStreamCipher.java"

# interfaces
.implements Lorg/spongycastle/jcajce/provider/symmetric/util/PBE;


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

.field private cipher:Lorg/spongycastle/crypto/StreamCipher;

.field private digest:I

.field private ivLength:I

.field private ivParam:Lorg/spongycastle/crypto/params/ParametersWithIV;

.field private keySizeInBits:I

.field private pbeAlgorithm:Ljava/lang/String;

.field private pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;


# direct methods
.method protected constructor <init>(Lorg/spongycastle/crypto/StreamCipher;I)V
    .registers 4

    .prologue
    const/4 v0, -0x1

    .line 57
    invoke-direct {p0, p1, p2, v0, v0}, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;-><init>(Lorg/spongycastle/crypto/StreamCipher;III)V

    .line 58
    return-void
.end method

.method protected constructor <init>(Lorg/spongycastle/crypto/StreamCipher;III)V
    .registers 10

    .prologue
    const/4 v4, 0x0

    const/4 v3, 0x0

    .line 65
    invoke-direct {p0}, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseWrapCipher;-><init>()V

    .line 35
    const/4 v0, 0x4

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

    const-class v1, Ljavax/crypto/spec/RC2ParameterSpec;

    aput-object v1, v0, v3

    const/4 v1, 0x1

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

    aput-object v2, v0, v1

    const/4 v1, 0x2

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

    aput-object v2, v0, v1

    const/4 v1, 0x3

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

    aput-object v2, v0, v1

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

    .line 48
    iput v3, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivLength:I

    .line 50
    iput-object v4, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    .line 51
    iput-object v4, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeAlgorithm:Ljava/lang/String;

    .line 66
    iput-object p1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    .line 67
    iput p2, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivLength:I

    .line 68
    iput p3, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->keySizeInBits:I

    .line 69
    iput p4, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->digest:I

    .line 70
    return-void
.end method


# virtual methods
.method protected engineDoFinal([BII[BI)I
    .registers 12

    .prologue
    .line 386
    add-int v0, p5, p3

    array-length v1, p4

    if-le v0, v1, :cond_d

    .line 388
    new-instance v0, Ljavax/crypto/ShortBufferException;

    const-string v1, "output buffer too short for input."

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

    throw v0

    .line 391
    :cond_d
    if-eqz p3, :cond_19

    .line 393
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    move-object v1, p1

    move v2, p2

    move v3, p3

    move-object v4, p4

    move v5, p5

    invoke-interface/range {v0 .. v5}, Lorg/spongycastle/crypto/StreamCipher;->processBytes([BII[BI)I

    .line 396
    :cond_19
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    invoke-interface {v0}, Lorg/spongycastle/crypto/StreamCipher;->reset()V

    .line 398
    return p3
.end method

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

    .prologue
    .line 364
    if-eqz p3, :cond_c

    .line 366
    invoke-virtual {p0, p1, p2, p3}, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->engineUpdate([BII)[B

    move-result-object v0

    .line 368
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    invoke-interface {v1}, Lorg/spongycastle/crypto/StreamCipher;->reset()V

    .line 375
    :goto_b
    return-object v0

    .line 373
    :cond_c
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    invoke-interface {v0}, Lorg/spongycastle/crypto/StreamCipher;->reset()V

    .line 375
    const/4 v0, 0x0

    new-array v0, v0, [B

    goto :goto_b
.end method

.method protected engineGetBlockSize()I
    .registers 2

    .prologue
    .line 74
    const/4 v0, 0x0

    return v0
.end method

.method protected engineGetIV()[B
    .registers 2

    .prologue
    .line 79
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivParam:Lorg/spongycastle/crypto/params/ParametersWithIV;

    if-eqz v0, :cond_b

    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivParam:Lorg/spongycastle/crypto/params/ParametersWithIV;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/params/ParametersWithIV;->getIV()[B

    move-result-object v0

    :goto_a
    return-object v0

    :cond_b
    const/4 v0, 0x0

    goto :goto_a
.end method

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

    .prologue
    .line 85
    invoke-interface {p1}, Ljava/security/Key;->getEncoded()[B

    move-result-object v0

    array-length v0, v0

    shl-int/lit8 v0, v0, 0x3

    return v0
.end method

.method protected engineGetOutputSize(I)I
    .registers 2

    .prologue
    .line 91
    return p1
.end method

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

    .prologue
    .line 96
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->engineParams:Ljava/security/AlgorithmParameters;

    if-nez v0, :cond_17

    .line 98
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    if-eqz v0, :cond_17

    .line 102
    :try_start_8
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeAlgorithm:Ljava/lang/String;

    invoke-virtual {p0, v0}, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->createParametersInstance(Ljava/lang/String;)Ljava/security/AlgorithmParameters;

    move-result-object v0

    .line 103
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    invoke-virtual {v0, v1}, Ljava/security/AlgorithmParameters;->init(Ljava/security/spec/AlgorithmParameterSpec;)V
    :try_end_13
    .catch Ljava/lang/Exception; {:try_start_8 .. :try_end_13} :catch_14

    .line 114
    :goto_13
    return-object v0

    .line 109
    :catch_14
    move-exception v0

    const/4 v0, 0x0

    goto :goto_13

    .line 114
    :cond_17
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->engineParams:Ljava/security/AlgorithmParameters;

    goto :goto_13
.end method

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

    .prologue
    .line 278
    const/4 v1, 0x0

    .line 280
    if-eqz p3, :cond_30

    .line 282
    const/4 v0, 0x0

    :goto_4
    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->availableSpecs:[Ljava/lang/Class;

    array-length v2, v2

    if-eq v0, v2, :cond_37

    .line 286
    :try_start_9
    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->availableSpecs:[Ljava/lang/Class;

    aget-object v2, v2, v0

    invoke-virtual {p3, v2}, Ljava/security/AlgorithmParameters;->getParameterSpec(Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
    :try_end_10
    .catch Ljava/lang/Exception; {:try_start_9 .. :try_end_10} :catch_2c

    move-result-object v0

    .line 295
    :goto_11
    if-nez v0, :cond_31

    .line 297
    new-instance v0, Ljava/security/InvalidAlgorithmParameterException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "can\'t handle parameter "

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

    invoke-virtual {p3}, Ljava/security/AlgorithmParameters;->toString()Ljava/lang/String;

    move-result-object v2

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

    throw v0

    .line 282
    :catch_2c
    move-exception v2

    add-int/lit8 v0, v0, 0x1

    goto :goto_4

    :cond_30
    move-object v0, v1

    .line 301
    :cond_31
    invoke-virtual {p0, p1, p2, v0, p4}, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->engineInit(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V

    .line 302
    iput-object p3, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->engineParams:Ljava/security/AlgorithmParameters;

    .line 303
    return-void

    :cond_37
    move-object v0, v1

    goto :goto_11
.end method

.method protected engineInit(ILjava/security/Key;Ljava/security/SecureRandom;)V
    .registers 6

    .prologue
    .line 313
    const/4 v0, 0x0

    :try_start_1
    invoke-virtual {p0, p1, p2, v0, p3}, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->engineInit(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    :try_end_4
    .catch Ljava/security/InvalidAlgorithmParameterException; {:try_start_1 .. :try_end_4} :catch_5

    .line 318
    return-void

    .line 315
    :catch_5
    move-exception v0

    .line 317
    new-instance v1, Ljava/security/InvalidKeyException;

    invoke-virtual {v0}, Ljava/security/InvalidAlgorithmParameterException;->getMessage()Ljava/lang/String;

    move-result-object v0

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

    throw v1
.end method

.method protected engineInit(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    .registers 13

    .prologue
    const/4 v7, 0x1

    const/4 v0, 0x0

    .line 151
    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    .line 152
    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeAlgorithm:Ljava/lang/String;

    .line 154
    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->engineParams:Ljava/security/AlgorithmParameters;

    .line 159
    instance-of v0, p2, Ljavax/crypto/SecretKey;

    if-nez v0, :cond_2b

    .line 161
    new-instance v0, Ljava/security/InvalidKeyException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Key for algorithm "

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

    invoke-interface {p2}, Ljava/security/Key;->getAlgorithm()Ljava/lang/String;

    move-result-object v2

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

    move-result-object v1

    const-string v2, " not suitable for symmetric enryption."

    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

    .line 164
    :cond_2b
    instance-of v0, p2, Lorg/spongycastle/jcajce/PKCS12Key;

    if-eqz v0, :cond_bb

    .line 166
    check-cast p2, Lorg/spongycastle/jcajce/PKCS12Key;

    .line 167
    check-cast p3, Ljavax/crypto/spec/PBEParameterSpec;

    iput-object p3, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    .line 168
    instance-of v0, p2, Lorg/spongycastle/jcajce/PKCS12KeyWithParameters;

    if-eqz v0, :cond_52

    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    if-nez v0, :cond_52

    .line 170
    new-instance v1, Ljavax/crypto/spec/PBEParameterSpec;

    move-object v0, p2

    check-cast v0, Lorg/spongycastle/jcajce/PKCS12KeyWithParameters;

    invoke-virtual {v0}, Lorg/spongycastle/jcajce/PKCS12KeyWithParameters;->getSalt()[B

    move-result-object v2

    move-object v0, p2

    check-cast v0, Lorg/spongycastle/jcajce/PKCS12KeyWithParameters;

    invoke-virtual {v0}, Lorg/spongycastle/jcajce/PKCS12KeyWithParameters;->getIterationCount()I

    move-result v0

    invoke-direct {v1, v2, v0}, Ljavax/crypto/spec/PBEParameterSpec;-><init>([BI)V

    iput-object v1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    .line 173
    :cond_52
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/PKCS12Key;->getEncoded()[B

    move-result-object v0

    const/4 v1, 0x2

    iget v2, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->digest:I

    iget v3, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->keySizeInBits:I

    iget v4, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivLength:I

    shl-int/lit8 v4, v4, 0x3

    iget-object v5, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    iget-object v6, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    invoke-interface {v6}, Lorg/spongycastle/crypto/StreamCipher;->getAlgorithmName()Ljava/lang/String;

    move-result-object v6

    invoke-static/range {v0 .. v6}, Lorg/spongycastle/jcajce/provider/symmetric/util/PBE$Util;->makePBEParameters([BIIIILjava/security/spec/AlgorithmParameterSpec;Ljava/lang/String;)Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v1

    move-object v0, v1

    .line 226
    :goto_6c
    iget v1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivLength:I

    if-eqz v1, :cond_92

    instance-of v1, v0, Lorg/spongycastle/crypto/params/ParametersWithIV;

    if-nez v1, :cond_92

    .line 230
    if-nez p4, :cond_7b

    .line 232
    new-instance p4, Ljava/security/SecureRandom;

    invoke-direct {p4}, Ljava/security/SecureRandom;-><init>()V

    .line 235
    :cond_7b
    if-eq p1, v7, :cond_80

    const/4 v1, 0x3

    if-ne p1, v1, :cond_15c

    .line 237
    :cond_80
    iget v1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivLength:I

    new-array v2, v1, [B

    .line 239
    invoke-virtual {p4, v2}, Ljava/security/SecureRandom;->nextBytes([B)V

    .line 240
    new-instance v1, Lorg/spongycastle/crypto/params/ParametersWithIV;

    invoke-direct {v1, v0, v2}, Lorg/spongycastle/crypto/params/ParametersWithIV;-><init>(Lorg/spongycastle/crypto/CipherParameters;[B)V

    move-object v0, v1

    .line 241
    check-cast v0, Lorg/spongycastle/crypto/params/ParametersWithIV;

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivParam:Lorg/spongycastle/crypto/params/ParametersWithIV;

    move-object v0, v1

    .line 251
    :cond_92
    packed-switch p1, :pswitch_data_172

    .line 262
    :try_start_95
    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"

    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
    :try_end_b0
    .catch Ljava/lang/Exception; {:try_start_95 .. :try_end_b0} :catch_b0

    .line 265
    :catch_b0
    move-exception v0

    .line 267
    new-instance v1, Ljava/security/InvalidKeyException;

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

    move-result-object v0

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

    throw v1

    .line 175
    :cond_bb
    instance-of v0, p2, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;

    if-eqz v0, :cond_11a

    .line 177
    check-cast p2, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;

    .line 179
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getOID()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v0

    if-eqz v0, :cond_f8

    .line 181
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getOID()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->getId()Ljava/lang/String;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeAlgorithm:Ljava/lang/String;

    .line 188
    :goto_d1
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getParam()Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v0

    if-eqz v0, :cond_ff

    .line 190
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getParam()Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v1

    .line 191
    new-instance v0, Ljavax/crypto/spec/PBEParameterSpec;

    invoke-virtual {p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getSalt()[B

    move-result-object v2

    invoke-virtual {p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getIterationCount()I

    move-result v3

    invoke-direct {v0, v2, v3}, Ljavax/crypto/spec/PBEParameterSpec;-><init>([BI)V

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    .line 203
    :goto_ea
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getIvSize()I

    move-result v0

    if-eqz v0, :cond_f5

    move-object v0, v1

    .line 205
    check-cast v0, Lorg/spongycastle/crypto/params/ParametersWithIV;

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivParam:Lorg/spongycastle/crypto/params/ParametersWithIV;

    :cond_f5
    move-object v0, v1

    .line 207
    goto/16 :goto_6c

    .line 185
    :cond_f8
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getAlgorithm()Ljava/lang/String;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeAlgorithm:Ljava/lang/String;

    goto :goto_d1

    .line 193
    :cond_ff
    instance-of v0, p3, Ljavax/crypto/spec/PBEParameterSpec;

    if-eqz v0, :cond_112

    .line 195
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    invoke-interface {v0}, Lorg/spongycastle/crypto/StreamCipher;->getAlgorithmName()Ljava/lang/String;

    move-result-object v0

    invoke-static {p2, p3, v0}, Lorg/spongycastle/jcajce/provider/symmetric/util/PBE$Util;->makePBEParameters(Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;Ljava/security/spec/AlgorithmParameterSpec;Ljava/lang/String;)Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v1

    .line 196
    check-cast p3, Ljavax/crypto/spec/PBEParameterSpec;

    iput-object p3, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->pbeSpec:Ljavax/crypto/spec/PBEParameterSpec;

    goto :goto_ea

    .line 200
    :cond_112
    new-instance v0, Ljava/security/InvalidAlgorithmParameterException;

    const-string v1, "PBE requires PBE parameters to be set."

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

    throw v0

    .line 208
    :cond_11a
    if-nez p3, :cond_134

    .line 210
    iget v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->digest:I

    if-lez v0, :cond_128

    .line 212
    new-instance v0, Ljava/security/InvalidKeyException;

    const-string v1, "Algorithm requires a PBE key"

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

    throw v0

    .line 214
    :cond_128
    new-instance v1, Lorg/spongycastle/crypto/params/KeyParameter;

    invoke-interface {p2}, Ljava/security/Key;->getEncoded()[B

    move-result-object v0

    invoke-direct {v1, v0}, Lorg/spongycastle/crypto/params/KeyParameter;-><init>([B)V

    move-object v0, v1

    goto/16 :goto_6c

    .line 216
    :cond_134
    instance-of v0, p3, Ljavax/crypto/spec/IvParameterSpec;

    if-eqz v0, :cond_154

    .line 218
    new-instance v1, Lorg/spongycastle/crypto/params/ParametersWithIV;

    new-instance v0, Lorg/spongycastle/crypto/params/KeyParameter;

    invoke-interface {p2}, Ljava/security/Key;->getEncoded()[B

    move-result-object v2

    invoke-direct {v0, v2}, Lorg/spongycastle/crypto/params/KeyParameter;-><init>([B)V

    check-cast p3, Ljavax/crypto/spec/IvParameterSpec;

    invoke-virtual {p3}, Ljavax/crypto/spec/IvParameterSpec;->getIV()[B

    move-result-object v2

    invoke-direct {v1, v0, v2}, Lorg/spongycastle/crypto/params/ParametersWithIV;-><init>(Lorg/spongycastle/crypto/CipherParameters;[B)V

    move-object v0, v1

    .line 219
    check-cast v0, Lorg/spongycastle/crypto/params/ParametersWithIV;

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->ivParam:Lorg/spongycastle/crypto/params/ParametersWithIV;

    move-object v0, v1

    goto/16 :goto_6c

    .line 223
    :cond_154
    new-instance v0, Ljava/security/InvalidAlgorithmParameterException;

    const-string v1, "unknown parameter type."

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

    throw v0

    .line 245
    :cond_15c
    new-instance v0, Ljava/security/InvalidAlgorithmParameterException;

    const-string v1, "no IV set when one expected"

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

    throw v0

    .line 255
    :pswitch_164
    :try_start_164
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    const/4 v2, 0x1

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

    .line 260
    :goto_16a
    return-void

    .line 259
    :pswitch_16b
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    const/4 v2, 0x0

    invoke-interface {v1, v2, v0}, Lorg/spongycastle/crypto/StreamCipher;->init(ZLorg/spongycastle/crypto/CipherParameters;)V
    :try_end_171
    .catch Ljava/lang/Exception; {:try_start_164 .. :try_end_171} :catch_b0

    goto :goto_16a

    .line 251
    :pswitch_data_172
    .packed-switch 0x1
        :pswitch_164
        :pswitch_16b
        :pswitch_164
        :pswitch_16b
    .end packed-switch
.end method

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

    .prologue
    .line 123
    const-string v0, "ECB"

    invoke-virtual {p1, v0}, Ljava/lang/String;->equalsIgnoreCase(Ljava/lang/String;)Z

    move-result v0

    if-nez v0, :cond_1d

    .line 125
    new-instance v0, Ljava/lang/IllegalArgumentException;

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

    throw v0

    .line 127
    :cond_1d
    return-void
.end method

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

    .prologue
    .line 136
    const-string v0, "NoPadding"

    invoke-virtual {p1, v0}, Ljava/lang/String;->equalsIgnoreCase(Ljava/lang/String;)Z

    move-result v0

    if-nez v0, :cond_23

    .line 138
    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

    .line 140
    :cond_23
    return-void
.end method

.method protected engineUpdate([BII[BI)I
    .registers 12

    .prologue
    .line 341
    add-int v0, p5, p3

    array-length v1, p4

    if-le v0, v1, :cond_d

    .line 343
    new-instance v0, Ljavax/crypto/ShortBufferException;

    const-string v1, "output buffer too short for input."

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

    throw v0

    .line 348
    :cond_d
    :try_start_d
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    move-object v1, p1

    move v2, p2

    move v3, p3

    move-object v4, p4

    move v5, p5

    invoke-interface/range {v0 .. v5}, Lorg/spongycastle/crypto/StreamCipher;->processBytes([BII[BI)I
    :try_end_17
    .catch Lorg/spongycastle/crypto/DataLengthException; {:try_start_d .. :try_end_17} :catch_18

    .line 350
    return p3

    .line 352
    :catch_18
    move-exception v0

    .line 355
    new-instance v1, Ljava/lang/IllegalStateException;

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

    move-result-object v0

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

    throw v1
.end method

.method protected engineUpdate([BII)[B
    .registers 10

    .prologue
    .line 326
    new-array v4, p3, [B

    .line 328
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseStreamCipher;->cipher:Lorg/spongycastle/crypto/StreamCipher;

    const/4 v5, 0x0

    move-object v1, p1

    move v2, p2

    move v3, p3

    invoke-interface/range {v0 .. v5}, Lorg/spongycastle/crypto/StreamCipher;->processBytes([BII[BI)I

    .line 330
    return-object v4
.end method