BaseMac.smali

.class public Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;
.super Ljavax/crypto/MacSpi;
.source "BaseMac.java"

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


# instance fields
.field private keySize:I

.field private macEngine:Lorg/spongycastle/crypto/Mac;

.field private pbeHash:I

.field private scheme:I


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

    .prologue
    .line 36
    invoke-direct {p0}, Ljavax/crypto/MacSpi;-><init>()V

    .line 30
    const/4 v0, 0x2

    iput v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->scheme:I

    .line 31
    const/4 v0, 0x1

    iput v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->pbeHash:I

    .line 32
    const/16 v0, 0xa0

    iput v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->keySize:I

    .line 37
    iput-object p1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

    .line 38
    return-void
.end method

.method protected constructor <init>(Lorg/spongycastle/crypto/Mac;III)V
    .registers 6

    .prologue
    .line 45
    invoke-direct {p0}, Ljavax/crypto/MacSpi;-><init>()V

    .line 30
    const/4 v0, 0x2

    iput v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->scheme:I

    .line 31
    const/4 v0, 0x1

    iput v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->pbeHash:I

    .line 32
    const/16 v0, 0xa0

    iput v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->keySize:I

    .line 46
    iput-object p1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

    .line 47
    iput p2, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->scheme:I

    .line 48
    iput p3, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->pbeHash:I

    .line 49
    iput p4, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->keySize:I

    .line 50
    return-void
.end method

.method private static copyMap(Ljava/util/Map;)Ljava/util/Hashtable;
    .registers 5

    .prologue
    .line 179
    new-instance v0, Ljava/util/Hashtable;

    invoke-direct {v0}, Ljava/util/Hashtable;-><init>()V

    .line 181
    invoke-interface {p0}, Ljava/util/Map;->keySet()Ljava/util/Set;

    move-result-object v1

    invoke-interface {v1}, Ljava/util/Set;->iterator()Ljava/util/Iterator;

    move-result-object v1

    .line 182
    :goto_d
    invoke-interface {v1}, Ljava/util/Iterator;->hasNext()Z

    move-result v2

    if-eqz v2, :cond_1f

    .line 184
    invoke-interface {v1}, Ljava/util/Iterator;->next()Ljava/lang/Object;

    move-result-object v2

    .line 185
    invoke-interface {p0, v2}, Ljava/util/Map;->get(Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v3

    invoke-virtual {v0, v2, v3}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

    goto :goto_d

    .line 188
    :cond_1f
    return-object v0
.end method


# virtual methods
.method protected engineDoFinal()[B
    .registers 4

    .prologue
    .line 170
    invoke-virtual {p0}, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->engineGetMacLength()I

    move-result v0

    new-array v0, v0, [B

    .line 172
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

    const/4 v2, 0x0

    invoke-interface {v1, v0, v2}, Lorg/spongycastle/crypto/Mac;->doFinal([BI)I

    .line 174
    return-object v0
.end method

.method protected engineGetMacLength()I
    .registers 2

    .prologue
    .line 146
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

    invoke-interface {v0}, Lorg/spongycastle/crypto/Mac;->getMacSize()I

    move-result v0

    return v0
.end method

.method protected engineInit(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    .registers 9

    .prologue
    const/16 v1, 0x100

    .line 59
    if-nez p1, :cond_c

    .line 61
    new-instance v0, Ljava/security/InvalidKeyException;

    const-string v1, "key is null"

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

    throw v0

    .line 64
    :cond_c
    instance-of v0, p1, Lorg/spongycastle/jcajce/PKCS12Key;

    if-eqz v0, :cond_72

    .line 71
    :try_start_10
    check-cast p1, Ljavax/crypto/SecretKey;
    :try_end_12
    .catch Ljava/lang/Exception; {:try_start_10 .. :try_end_12} :catch_4d

    .line 80
    :try_start_12
    check-cast p2, Ljavax/crypto/spec/PBEParameterSpec;
    :try_end_14
    .catch Ljava/lang/Exception; {:try_start_12 .. :try_end_14} :catch_56

    .line 87
    instance-of v0, p1, Ljavax/crypto/interfaces/PBEKey;

    if-eqz v0, :cond_2d

    if-nez p2, :cond_2d

    .line 89
    new-instance p2, Ljavax/crypto/spec/PBEParameterSpec;

    move-object v0, p1

    check-cast v0, Ljavax/crypto/interfaces/PBEKey;

    invoke-interface {v0}, Ljavax/crypto/interfaces/PBEKey;->getSalt()[B

    move-result-object v2

    move-object v0, p1

    check-cast v0, Ljavax/crypto/interfaces/PBEKey;

    invoke-interface {v0}, Ljavax/crypto/interfaces/PBEKey;->getIterationCount()I

    move-result v0

    invoke-direct {p2, v2, v0}, Ljavax/crypto/spec/PBEParameterSpec;-><init>([BI)V

    .line 92
    :cond_2d
    const/4 v2, 0x1

    .line 93
    const/16 v0, 0xa0

    .line 94
    iget-object v3, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

    invoke-interface {v3}, Lorg/spongycastle/crypto/Mac;->getAlgorithmName()Ljava/lang/String;

    move-result-object v3

    const-string v4, "GOST"

    invoke-virtual {v3, v4}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v3

    if-eqz v3, :cond_5f

    .line 96
    const/4 v0, 0x6

    move v5, v1

    move v1, v0

    move v0, v5

    .line 105
    :goto_42
    const/4 v2, 0x2

    invoke-static {p1, v2, v1, v0, p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/PBE$Util;->makePBEMacParameters(Ljavax/crypto/SecretKey;IIILjavax/crypto/spec/PBEParameterSpec;)Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v0

    .line 141
    :goto_47
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

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

    .line 142
    return-void

    .line 75
    :catch_4d
    move-exception v0

    new-instance v0, Ljava/security/InvalidKeyException;

    const-string v1, "PKCS12 requires a SecretKey/PBEKey"

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

    throw v0

    .line 84
    :catch_56
    move-exception v0

    new-instance v0, Ljava/security/InvalidAlgorithmParameterException;

    const-string v1, "PKCS12 requires a PBEParameterSpec"

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

    throw v0

    .line 99
    :cond_5f
    iget-object v3, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

    invoke-interface {v3}, Lorg/spongycastle/crypto/Mac;->getAlgorithmName()Ljava/lang/String;

    move-result-object v3

    const-string v4, "SHA256"

    invoke-virtual {v3, v4}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v3

    if-eqz v3, :cond_e3

    .line 101
    const/4 v0, 0x4

    move v5, v1

    move v1, v0

    move v0, v5

    .line 102
    goto :goto_42

    .line 107
    :cond_72
    instance-of v0, p1, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;

    if-eqz v0, :cond_94

    .line 109
    check-cast p1, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;

    .line 111
    invoke-virtual {p1}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getParam()Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v0

    if-eqz v0, :cond_83

    .line 113
    invoke-virtual {p1}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;->getParam()Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v0

    goto :goto_47

    .line 115
    :cond_83
    instance-of v0, p2, Ljavax/crypto/spec/PBEParameterSpec;

    if-eqz v0, :cond_8c

    .line 117
    invoke-static {p1, p2}, Lorg/spongycastle/jcajce/provider/symmetric/util/PBE$Util;->makePBEMacParameters(Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;Ljava/security/spec/AlgorithmParameterSpec;)Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v0

    goto :goto_47

    .line 121
    :cond_8c
    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 124
    :cond_94
    instance-of v0, p2, Ljavax/crypto/spec/IvParameterSpec;

    if-eqz v0, :cond_ad

    .line 126
    new-instance v0, Lorg/spongycastle/crypto/params/ParametersWithIV;

    new-instance v1, Lorg/spongycastle/crypto/params/KeyParameter;

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

    move-result-object v2

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

    check-cast p2, Ljavax/crypto/spec/IvParameterSpec;

    invoke-virtual {p2}, Ljavax/crypto/spec/IvParameterSpec;->getIV()[B

    move-result-object v2

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

    goto :goto_47

    .line 128
    :cond_ad
    instance-of v0, p2, Lorg/spongycastle/jcajce/spec/SkeinParameterSpec;

    if-eqz v0, :cond_ce

    .line 130
    new-instance v0, Lorg/spongycastle/crypto/params/SkeinParameters$Builder;

    check-cast p2, Lorg/spongycastle/jcajce/spec/SkeinParameterSpec;

    invoke-virtual {p2}, Lorg/spongycastle/jcajce/spec/SkeinParameterSpec;->getParameters()Ljava/util/Map;

    move-result-object v1

    invoke-static {v1}, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->copyMap(Ljava/util/Map;)Ljava/util/Hashtable;

    move-result-object v1

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/params/SkeinParameters$Builder;-><init>(Ljava/util/Hashtable;)V

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

    move-result-object v1

    invoke-virtual {v0, v1}, Lorg/spongycastle/crypto/params/SkeinParameters$Builder;->setKey([B)Lorg/spongycastle/crypto/params/SkeinParameters$Builder;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/crypto/params/SkeinParameters$Builder;->build()Lorg/spongycastle/crypto/params/SkeinParameters;

    move-result-object v0

    goto/16 :goto_47

    .line 132
    :cond_ce
    if-nez p2, :cond_db

    .line 134
    new-instance v0, Lorg/spongycastle/crypto/params/KeyParameter;

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

    move-result-object v1

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

    goto/16 :goto_47

    .line 138
    :cond_db
    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

    :cond_e3
    move v1, v2

    goto/16 :goto_42
.end method

.method protected engineReset()V
    .registers 2

    .prologue
    .line 151
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

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

    .line 152
    return-void
.end method

.method protected engineUpdate(B)V
    .registers 3

    .prologue
    .line 157
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

    invoke-interface {v0, p1}, Lorg/spongycastle/crypto/Mac;->update(B)V

    .line 158
    return-void
.end method

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

    .prologue
    .line 165
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseMac;->macEngine:Lorg/spongycastle/crypto/Mac;

    invoke-interface {v0, p1, p2, p3}, Lorg/spongycastle/crypto/Mac;->update([BII)V

    .line 166
    return-void
.end method