KeyFactorySpi.smali

.class public Lorg/spongycastle/jcajce/provider/asymmetric/dh/KeyFactorySpi;
.super Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseKeyFactorySpi;
.source "KeyFactorySpi.java"


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

    .prologue
    .line 27
    invoke-direct {p0}, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseKeyFactorySpi;-><init>()V

    .line 28
    return-void
.end method


# virtual methods
.method protected engineGeneratePrivate(Ljava/security/spec/KeySpec;)Ljava/security/PrivateKey;
    .registers 3

    .prologue
    .line 71
    instance-of v0, p1, Ljavax/crypto/spec/DHPrivateKeySpec;

    if-eqz v0, :cond_c

    .line 73
    new-instance v0, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey;

    check-cast p1, Ljavax/crypto/spec/DHPrivateKeySpec;

    invoke-direct {v0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey;-><init>(Ljavax/crypto/spec/DHPrivateKeySpec;)V

    .line 76
    :goto_b
    return-object v0

    :cond_c
    invoke-super {p0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseKeyFactorySpi;->engineGeneratePrivate(Ljava/security/spec/KeySpec;)Ljava/security/PrivateKey;

    move-result-object v0

    goto :goto_b
.end method

.method protected engineGeneratePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;
    .registers 3

    .prologue
    .line 83
    instance-of v0, p1, Ljavax/crypto/spec/DHPublicKeySpec;

    if-eqz v0, :cond_c

    .line 85
    new-instance v0, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPublicKey;

    check-cast p1, Ljavax/crypto/spec/DHPublicKeySpec;

    invoke-direct {v0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPublicKey;-><init>(Ljavax/crypto/spec/DHPublicKeySpec;)V

    .line 88
    :goto_b
    return-object v0

    :cond_c
    invoke-super {p0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseKeyFactorySpi;->engineGeneratePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;

    move-result-object v0

    goto :goto_b
.end method

.method protected engineGetKeySpec(Ljava/security/Key;Ljava/lang/Class;)Ljava/security/spec/KeySpec;
    .registers 7

    .prologue
    .line 35
    const-class v0, Ljavax/crypto/spec/DHPrivateKeySpec;

    invoke-virtual {p2, v0}, Ljava/lang/Class;->isAssignableFrom(Ljava/lang/Class;)Z

    move-result v0

    if-eqz v0, :cond_28

    instance-of v0, p1, Ljavax/crypto/interfaces/DHPrivateKey;

    if-eqz v0, :cond_28

    .line 37
    check-cast p1, Ljavax/crypto/interfaces/DHPrivateKey;

    .line 39
    new-instance v0, Ljavax/crypto/spec/DHPrivateKeySpec;

    invoke-interface {p1}, Ljavax/crypto/interfaces/DHPrivateKey;->getX()Ljava/math/BigInteger;

    move-result-object v1

    invoke-interface {p1}, Ljavax/crypto/interfaces/DHPrivateKey;->getParams()Ljavax/crypto/spec/DHParameterSpec;

    move-result-object v2

    invoke-virtual {v2}, Ljavax/crypto/spec/DHParameterSpec;->getP()Ljava/math/BigInteger;

    move-result-object v2

    invoke-interface {p1}, Ljavax/crypto/interfaces/DHPrivateKey;->getParams()Ljavax/crypto/spec/DHParameterSpec;

    move-result-object v3

    invoke-virtual {v3}, Ljavax/crypto/spec/DHParameterSpec;->getG()Ljava/math/BigInteger;

    move-result-object v3

    invoke-direct {v0, v1, v2, v3}, Ljavax/crypto/spec/DHPrivateKeySpec;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    .line 48
    :goto_27
    return-object v0

    .line 41
    :cond_28
    const-class v0, Ljavax/crypto/spec/DHPublicKeySpec;

    invoke-virtual {p2, v0}, Ljava/lang/Class;->isAssignableFrom(Ljava/lang/Class;)Z

    move-result v0

    if-eqz v0, :cond_50

    instance-of v0, p1, Ljavax/crypto/interfaces/DHPublicKey;

    if-eqz v0, :cond_50

    .line 43
    check-cast p1, Ljavax/crypto/interfaces/DHPublicKey;

    .line 45
    new-instance v0, Ljavax/crypto/spec/DHPublicKeySpec;

    invoke-interface {p1}, Ljavax/crypto/interfaces/DHPublicKey;->getY()Ljava/math/BigInteger;

    move-result-object v1

    invoke-interface {p1}, Ljavax/crypto/interfaces/DHPublicKey;->getParams()Ljavax/crypto/spec/DHParameterSpec;

    move-result-object v2

    invoke-virtual {v2}, Ljavax/crypto/spec/DHParameterSpec;->getP()Ljava/math/BigInteger;

    move-result-object v2

    invoke-interface {p1}, Ljavax/crypto/interfaces/DHPublicKey;->getParams()Ljavax/crypto/spec/DHParameterSpec;

    move-result-object v3

    invoke-virtual {v3}, Ljavax/crypto/spec/DHParameterSpec;->getG()Ljava/math/BigInteger;

    move-result-object v3

    invoke-direct {v0, v1, v2, v3}, Ljavax/crypto/spec/DHPublicKeySpec;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    goto :goto_27

    .line 48
    :cond_50
    invoke-super {p0, p1, p2}, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseKeyFactorySpi;->engineGetKeySpec(Ljava/security/Key;Ljava/lang/Class;)Ljava/security/spec/KeySpec;

    move-result-object v0

    goto :goto_27
.end method

.method protected engineTranslateKey(Ljava/security/Key;)Ljava/security/Key;
    .registers 4

    .prologue
    .line 55
    instance-of v0, p1, Ljavax/crypto/interfaces/DHPublicKey;

    if-eqz v0, :cond_c

    .line 57
    new-instance v0, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPublicKey;

    check-cast p1, Ljavax/crypto/interfaces/DHPublicKey;

    invoke-direct {v0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPublicKey;-><init>(Ljavax/crypto/interfaces/DHPublicKey;)V

    .line 61
    :goto_b
    return-object v0

    .line 59
    :cond_c
    instance-of v0, p1, Ljavax/crypto/interfaces/DHPrivateKey;

    if-eqz v0, :cond_18

    .line 61
    new-instance v0, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey;

    check-cast p1, Ljavax/crypto/interfaces/DHPrivateKey;

    invoke-direct {v0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey;-><init>(Ljavax/crypto/interfaces/DHPrivateKey;)V

    goto :goto_b

    .line 64
    :cond_18
    new-instance v0, Ljava/security/InvalidKeyException;

    const-string v1, "key type unknown"

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

    throw v0
.end method

.method public generatePrivate(Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;)Ljava/security/PrivateKey;
    .registers 6

    .prologue
    .line 94
    invoke-virtual {p1}, Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;->getPrivateKeyAlgorithm()Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v0

    .line 96
    sget-object v1, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->dhKeyAgreement:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-virtual {v0, v1}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_16

    .line 98
    new-instance v0, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey;

    invoke-direct {v0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey;-><init>(Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;)V

    .line 102
    :goto_15
    return-object v0

    .line 100
    :cond_16
    sget-object v1, Lorg/spongycastle/asn1/x9/X9ObjectIdentifiers;->dhpublicnumber:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-virtual {v0, v1}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_24

    .line 102
    new-instance v0, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey;

    invoke-direct {v0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPrivateKey;-><init>(Lorg/spongycastle/asn1/pkcs/PrivateKeyInfo;)V

    goto :goto_15

    .line 106
    :cond_24
    new-instance v1, Ljava/io/IOException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "algorithm identifier "

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

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v2, " in key not recognised"

    invoke-virtual {v0, v2}, 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/io/IOException;-><init>(Ljava/lang/String;)V

    throw v1
.end method

.method public generatePublic(Lorg/spongycastle/asn1/x509/SubjectPublicKeyInfo;)Ljava/security/PublicKey;
    .registers 6

    .prologue
    .line 113
    invoke-virtual {p1}, Lorg/spongycastle/asn1/x509/SubjectPublicKeyInfo;->getAlgorithm()Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v0

    .line 115
    sget-object v1, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->dhKeyAgreement:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-virtual {v0, v1}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_16

    .line 117
    new-instance v0, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPublicKey;

    invoke-direct {v0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPublicKey;-><init>(Lorg/spongycastle/asn1/x509/SubjectPublicKeyInfo;)V

    .line 121
    :goto_15
    return-object v0

    .line 119
    :cond_16
    sget-object v1, Lorg/spongycastle/asn1/x9/X9ObjectIdentifiers;->dhpublicnumber:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-virtual {v0, v1}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_24

    .line 121
    new-instance v0, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPublicKey;

    invoke-direct {v0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/dh/BCDHPublicKey;-><init>(Lorg/spongycastle/asn1/x509/SubjectPublicKeyInfo;)V

    goto :goto_15

    .line 125
    :cond_24
    new-instance v1, Ljava/io/IOException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "algorithm identifier "

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

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v2, " in key not recognised"

    invoke-virtual {v0, v2}, 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/io/IOException;-><init>(Ljava/lang/String;)V

    throw v1
.end method