PrivateKeyFactory.smali

.class public Lorg/spongycastle/crypto/util/PrivateKeyFactory;
.super Ljava/lang/Object;
.source "PrivateKeyFactory.java"


# direct methods
.method public constructor <init>()V
    .registers 1

    .prologue
    .line 41
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static createKey(Ljava/io/InputStream;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;
    .registers 2

    .prologue
    .line 65
    new-instance v0, Lorg/spongycastle/asn1/ASN1InputStream;

    invoke-direct {v0, p0}, Lorg/spongycastle/asn1/ASN1InputStream;-><init>(Ljava/io/InputStream;)V

    invoke-virtual {v0}, Lorg/spongycastle/asn1/ASN1InputStream;->readObject()Lorg/spongycastle/asn1/ASN1Primitive;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/crypto/util/PrivateKeyFactory;->createKey(Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    return-object v0
.end method

.method public static createKey(Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;
    .registers 10

    .prologue
    const/4 v2, 0x0

    .line 77
    invoke-virtual {p0}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->getPrivateKeyAlgorithm()Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    move-result-object v1

    .line 79
    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v0

    sget-object v3, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->rsaEncryption:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-virtual {v0, v3}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_3f

    .line 81
    invoke-virtual {p0}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->parsePrivateKey()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;

    move-result-object v8

    .line 83
    new-instance v0, Lorg/spongycastle/crypto/params/RSAPrivateCrtKeyParameters;

    invoke-virtual {v8}, Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;->getModulus()Ljava/math/BigInteger;

    move-result-object v1

    .line 84
    invoke-virtual {v8}, Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;->getPublicExponent()Ljava/math/BigInteger;

    move-result-object v2

    invoke-virtual {v8}, Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;->getPrivateExponent()Ljava/math/BigInteger;

    move-result-object v3

    .line 85
    invoke-virtual {v8}, Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;->getPrime1()Ljava/math/BigInteger;

    move-result-object v4

    invoke-virtual {v8}, Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;->getPrime2()Ljava/math/BigInteger;

    move-result-object v5

    invoke-virtual {v8}, Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;->getExponent1()Ljava/math/BigInteger;

    move-result-object v6

    .line 86
    invoke-virtual {v8}, Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;->getExponent2()Ljava/math/BigInteger;

    move-result-object v7

    invoke-virtual {v8}, Lorg/spongycastle/asn1/pkcs/RSAPrivateKey;->getCoefficient()Ljava/math/BigInteger;

    move-result-object v8

    invoke-direct/range {v0 .. v8}, Lorg/spongycastle/crypto/params/RSAPrivateCrtKeyParameters;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    .line 152
    :goto_3e
    return-object v0

    .line 90
    :cond_3f
    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v0

    sget-object v3, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->dhKeyAgreement:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-virtual {v0, v3}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_7d

    .line 92
    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getParameters()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/asn1/pkcs/DHParameter;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/pkcs/DHParameter;

    move-result-object v3

    .line 93
    invoke-virtual {p0}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->parsePrivateKey()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/asn1/ASN1Integer;

    .line 95
    invoke-virtual {v3}, Lorg/spongycastle/asn1/pkcs/DHParameter;->getL()Ljava/math/BigInteger;

    move-result-object v1

    .line 96
    if-nez v1, :cond_78

    const/4 v1, 0x0

    .line 97
    :goto_60
    new-instance v4, Lorg/spongycastle/crypto/params/DHParameters;

    invoke-virtual {v3}, Lorg/spongycastle/asn1/pkcs/DHParameter;->getP()Ljava/math/BigInteger;

    move-result-object v5

    invoke-virtual {v3}, Lorg/spongycastle/asn1/pkcs/DHParameter;->getG()Ljava/math/BigInteger;

    move-result-object v3

    invoke-direct {v4, v5, v3, v2, v1}, Lorg/spongycastle/crypto/params/DHParameters;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;I)V

    .line 99
    new-instance v1, Lorg/spongycastle/crypto/params/DHPrivateKeyParameters;

    invoke-virtual {v0}, Lorg/spongycastle/asn1/ASN1Integer;->getValue()Ljava/math/BigInteger;

    move-result-object v0

    invoke-direct {v1, v0, v4}, Lorg/spongycastle/crypto/params/DHPrivateKeyParameters;-><init>(Ljava/math/BigInteger;Lorg/spongycastle/crypto/params/DHParameters;)V

    move-object v0, v1

    goto :goto_3e

    .line 96
    :cond_78
    invoke-virtual {v1}, Ljava/math/BigInteger;->intValue()I

    move-result v1

    goto :goto_60

    .line 101
    :cond_7d
    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v0

    sget-object v3, Lorg/spongycastle/asn1/oiw/OIWObjectIdentifiers;->elGamalAlgorithm:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-virtual {v0, v3}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_af

    .line 103
    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getParameters()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/asn1/oiw/ElGamalParameter;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/oiw/ElGamalParameter;

    move-result-object v2

    .line 104
    invoke-virtual {p0}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->parsePrivateKey()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/asn1/ASN1Integer;

    .line 106
    new-instance v1, Lorg/spongycastle/crypto/params/ElGamalPrivateKeyParameters;

    invoke-virtual {v0}, Lorg/spongycastle/asn1/ASN1Integer;->getValue()Ljava/math/BigInteger;

    move-result-object v0

    new-instance v3, Lorg/spongycastle/crypto/params/ElGamalParameters;

    .line 107
    invoke-virtual {v2}, Lorg/spongycastle/asn1/oiw/ElGamalParameter;->getP()Ljava/math/BigInteger;

    move-result-object v4

    invoke-virtual {v2}, Lorg/spongycastle/asn1/oiw/ElGamalParameter;->getG()Ljava/math/BigInteger;

    move-result-object v2

    invoke-direct {v3, v4, v2}, Lorg/spongycastle/crypto/params/ElGamalParameters;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    invoke-direct {v1, v0, v3}, Lorg/spongycastle/crypto/params/ElGamalPrivateKeyParameters;-><init>(Ljava/math/BigInteger;Lorg/spongycastle/crypto/params/ElGamalParameters;)V

    move-object v0, v1

    goto :goto_3e

    .line 109
    :cond_af
    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v0

    sget-object v3, Lorg/spongycastle/asn1/x9/X9ObjectIdentifiers;->id_dsa:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-virtual {v0, v3}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_ec

    .line 111
    invoke-virtual {p0}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->parsePrivateKey()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/asn1/ASN1Integer;

    .line 112
    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getParameters()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v1

    .line 115
    if-eqz v1, :cond_173

    .line 117
    invoke-interface {v1}, Lorg/spongycastle/asn1/ASN1Encodable;->toASN1Primitive()Lorg/spongycastle/asn1/ASN1Primitive;

    move-result-object v1

    invoke-static {v1}, Lorg/spongycastle/asn1/x509/DSAParameter;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/x509/DSAParameter;

    move-result-object v2

    .line 118
    new-instance v1, Lorg/spongycastle/crypto/params/DSAParameters;

    invoke-virtual {v2}, Lorg/spongycastle/asn1/x509/DSAParameter;->getP()Ljava/math/BigInteger;

    move-result-object v3

    invoke-virtual {v2}, Lorg/spongycastle/asn1/x509/DSAParameter;->getQ()Ljava/math/BigInteger;

    move-result-object v4

    invoke-virtual {v2}, Lorg/spongycastle/asn1/x509/DSAParameter;->getG()Ljava/math/BigInteger;

    move-result-object v2

    invoke-direct {v1, v3, v4, v2}, Lorg/spongycastle/crypto/params/DSAParameters;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    .line 121
    :goto_e0
    new-instance v2, Lorg/spongycastle/crypto/params/DSAPrivateKeyParameters;

    invoke-virtual {v0}, Lorg/spongycastle/asn1/ASN1Integer;->getValue()Ljava/math/BigInteger;

    move-result-object v0

    invoke-direct {v2, v0, v1}, Lorg/spongycastle/crypto/params/DSAPrivateKeyParameters;-><init>(Ljava/math/BigInteger;Lorg/spongycastle/crypto/params/DSAParameters;)V

    move-object v0, v2

    goto/16 :goto_3e

    .line 123
    :cond_ec
    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v0

    sget-object v2, Lorg/spongycastle/asn1/x9/X9ObjectIdentifiers;->id_ecPublicKey:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-virtual {v0, v2}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_169

    .line 125
    new-instance v2, Lorg/spongycastle/asn1/x9/X962Parameters;

    invoke-virtual {v1}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getParameters()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/asn1/ASN1Primitive;

    invoke-direct {v2, v0}, Lorg/spongycastle/asn1/x9/X962Parameters;-><init>(Lorg/spongycastle/asn1/ASN1Primitive;)V

    .line 130
    invoke-virtual {v2}, Lorg/spongycastle/asn1/x9/X962Parameters;->isNamedCurve()Z

    move-result v0

    if-eqz v0, :cond_147

    .line 132
    invoke-virtual {v2}, Lorg/spongycastle/asn1/x9/X962Parameters;->getParameters()Lorg/spongycastle/asn1/ASN1Primitive;

    move-result-object v1

    check-cast v1, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    .line 134
    invoke-static {v1}, Lorg/spongycastle/crypto/ec/CustomNamedCurves;->getByOID(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;)Lorg/spongycastle/asn1/x9/X9ECParameters;

    move-result-object v0

    .line 135
    if-nez v0, :cond_171

    .line 137
    invoke-static {v1}, Lorg/spongycastle/asn1/x9/ECNamedCurveTable;->getByOID(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;)Lorg/spongycastle/asn1/x9/X9ECParameters;

    move-result-object v0

    move-object v6, v0

    .line 139
    :goto_11a
    new-instance v0, Lorg/spongycastle/crypto/params/ECNamedDomainParameters;

    .line 140
    invoke-virtual {v6}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getCurve()Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v2

    invoke-virtual {v6}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getG()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object v3

    invoke-virtual {v6}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getN()Ljava/math/BigInteger;

    move-result-object v4

    invoke-virtual {v6}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getH()Ljava/math/BigInteger;

    move-result-object v5

    invoke-virtual {v6}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getSeed()[B

    move-result-object v6

    invoke-direct/range {v0 .. v6}, Lorg/spongycastle/crypto/params/ECNamedDomainParameters;-><init>(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;[B)V

    .line 149
    :goto_133
    invoke-virtual {p0}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->parsePrivateKey()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v1

    invoke-static {v1}, Lorg/spongycastle/asn1/sec/ECPrivateKey;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/sec/ECPrivateKey;

    move-result-object v1

    .line 150
    invoke-virtual {v1}, Lorg/spongycastle/asn1/sec/ECPrivateKey;->getKey()Ljava/math/BigInteger;

    move-result-object v2

    .line 152
    new-instance v1, Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;

    invoke-direct {v1, v2, v0}, Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;-><init>(Ljava/math/BigInteger;Lorg/spongycastle/crypto/params/ECDomainParameters;)V

    move-object v0, v1

    goto/16 :goto_3e

    .line 144
    :cond_147
    invoke-virtual {v2}, Lorg/spongycastle/asn1/x9/X962Parameters;->getParameters()Lorg/spongycastle/asn1/ASN1Primitive;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/x9/X9ECParameters;

    move-result-object v5

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

    .line 146
    invoke-virtual {v5}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getCurve()Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v1

    invoke-virtual {v5}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getG()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object v2

    invoke-virtual {v5}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getN()Ljava/math/BigInteger;

    move-result-object v3

    invoke-virtual {v5}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getH()Ljava/math/BigInteger;

    move-result-object v4

    invoke-virtual {v5}, Lorg/spongycastle/asn1/x9/X9ECParameters;->getSeed()[B

    move-result-object v5

    invoke-direct/range {v0 .. v5}, Lorg/spongycastle/crypto/params/ECDomainParameters;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;[B)V

    goto :goto_133

    .line 156
    :cond_169
    new-instance v0, Ljava/lang/RuntimeException;

    const-string v1, "algorithm identifier in key not recognised"

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

    throw v0

    :cond_171
    move-object v6, v0

    goto :goto_11a

    :cond_173
    move-object v1, v2

    goto/16 :goto_e0
.end method

.method public static createKey([B)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;
    .registers 2

    .prologue
    .line 52
    invoke-static {p0}, Lorg/spongycastle/asn1/ASN1Primitive;->fromByteArray([B)Lorg/spongycastle/asn1/ASN1Primitive;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/crypto/util/PrivateKeyFactory;->createKey(Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    return-object v0
.end method