AlgorithmParameterGeneratorSpi.smali

.class public abstract Lorg/spongycastle/jcajce/provider/asymmetric/gost/AlgorithmParameterGeneratorSpi;
.super Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseAlgorithmParameterGeneratorSpi;
.source "AlgorithmParameterGeneratorSpi.java"


# instance fields
.field protected random:Ljava/security/SecureRandom;

.field protected strength:I


# direct methods
.method public constructor <init>()V
    .registers 2

    .prologue
    .line 14
    invoke-direct {p0}, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseAlgorithmParameterGeneratorSpi;-><init>()V

    .line 18
    const/16 v0, 0x400

    iput v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/gost/AlgorithmParameterGeneratorSpi;->strength:I

    return-void
.end method


# virtual methods
.method protected engineGenerateParameters()Ljava/security/AlgorithmParameters;
    .registers 7

    .prologue
    const/4 v3, 0x2

    .line 38
    new-instance v0, Lorg/spongycastle/crypto/generators/GOST3410ParametersGenerator;

    invoke-direct {v0}, Lorg/spongycastle/crypto/generators/GOST3410ParametersGenerator;-><init>()V

    .line 40
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/gost/AlgorithmParameterGeneratorSpi;->random:Ljava/security/SecureRandom;

    if-eqz v1, :cond_35

    .line 42
    iget v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/gost/AlgorithmParameterGeneratorSpi;->strength:I

    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/gost/AlgorithmParameterGeneratorSpi;->random:Ljava/security/SecureRandom;

    invoke-virtual {v0, v1, v3, v2}, Lorg/spongycastle/crypto/generators/GOST3410ParametersGenerator;->init(IILjava/security/SecureRandom;)V

    .line 49
    :goto_11
    invoke-virtual {v0}, Lorg/spongycastle/crypto/generators/GOST3410ParametersGenerator;->generateParameters()Lorg/spongycastle/crypto/params/GOST3410Parameters;

    move-result-object v0

    .line 55
    :try_start_15
    const-string v1, "GOST3410"

    invoke-virtual {p0, v1}, Lorg/spongycastle/jcajce/provider/asymmetric/gost/AlgorithmParameterGeneratorSpi;->createParametersInstance(Ljava/lang/String;)Ljava/security/AlgorithmParameters;

    move-result-object v1

    .line 56
    new-instance v2, Lorg/spongycastle/jce/spec/GOST3410ParameterSpec;

    new-instance v3, Lorg/spongycastle/jce/spec/GOST3410PublicKeyParameterSetSpec;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/params/GOST3410Parameters;->getP()Ljava/math/BigInteger;

    move-result-object v4

    invoke-virtual {v0}, Lorg/spongycastle/crypto/params/GOST3410Parameters;->getQ()Ljava/math/BigInteger;

    move-result-object v5

    invoke-virtual {v0}, Lorg/spongycastle/crypto/params/GOST3410Parameters;->getA()Ljava/math/BigInteger;

    move-result-object v0

    invoke-direct {v3, v4, v5, v0}, Lorg/spongycastle/jce/spec/GOST3410PublicKeyParameterSetSpec;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    invoke-direct {v2, v3}, Lorg/spongycastle/jce/spec/GOST3410ParameterSpec;-><init>(Lorg/spongycastle/jce/spec/GOST3410PublicKeyParameterSetSpec;)V

    invoke-virtual {v1, v2}, Ljava/security/AlgorithmParameters;->init(Ljava/security/spec/AlgorithmParameterSpec;)V
    :try_end_34
    .catch Ljava/lang/Exception; {:try_start_15 .. :try_end_34} :catch_40

    .line 63
    return-object v1

    .line 46
    :cond_35
    iget v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/gost/AlgorithmParameterGeneratorSpi;->strength:I

    new-instance v2, Ljava/security/SecureRandom;

    invoke-direct {v2}, Ljava/security/SecureRandom;-><init>()V

    invoke-virtual {v0, v1, v3, v2}, Lorg/spongycastle/crypto/generators/GOST3410ParametersGenerator;->init(IILjava/security/SecureRandom;)V

    goto :goto_11

    .line 58
    :catch_40
    move-exception v0

    .line 60
    new-instance v1, Ljava/lang/RuntimeException;

    invoke-virtual {v0}, Ljava/lang/Exception;->getMessage()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/SecureRandom;)V
    .registers 3

    .prologue
    .line 24
    iput p1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/gost/AlgorithmParameterGeneratorSpi;->strength:I

    .line 25
    iput-object p2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/gost/AlgorithmParameterGeneratorSpi;->random:Ljava/security/SecureRandom;

    .line 26
    return-void
.end method

.method protected engineInit(Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    .registers 5

    .prologue
    .line 33
    new-instance v0, Ljava/security/InvalidAlgorithmParameterException;

    const-string v1, "No supported AlgorithmParameterSpec for GOST3410 parameter generation."

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

    throw v0
.end method