AlgorithmParametersSpi.smali

.class public Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;
.super Ljava/security/AlgorithmParametersSpi;
.source "AlgorithmParametersSpi.java"


# instance fields
.field private curveName:Ljava/lang/String;

.field private ecParameterSpec:Ljava/security/spec/ECParameterSpec;


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

    .prologue
    .line 19
    invoke-direct {p0}, Ljava/security/AlgorithmParametersSpi;-><init>()V

    return-void
.end method


# virtual methods
.method protected engineGetEncoded()[B
    .registers 2

    .prologue
    .line 124
    const-string v0, "ASN.1"

    invoke-virtual {p0, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->engineGetEncoded(Ljava/lang/String;)[B

    move-result-object v0

    return-object v0
.end method

.method protected engineGetEncoded(Ljava/lang/String;)[B
    .registers 8

    .prologue
    .line 131
    invoke-virtual {p0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->isASN1FormatString(Ljava/lang/String;)Z

    move-result v0

    if-eqz v0, :cond_4d

    .line 135
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->ecParameterSpec:Ljava/security/spec/ECParameterSpec;

    if-nez v0, :cond_16

    .line 137
    new-instance v0, Lorg/spongycastle/asn1/x9/X962Parameters;

    sget-object v1, Lorg/spongycastle/asn1/DERNull;->INSTANCE:Lorg/spongycastle/asn1/DERNull;

    invoke-direct {v0, v1}, Lorg/spongycastle/asn1/x9/X962Parameters;-><init>(Lorg/spongycastle/asn1/ASN1Null;)V

    .line 156
    :goto_11
    invoke-virtual {v0}, Lorg/spongycastle/asn1/x9/X962Parameters;->getEncoded()[B

    move-result-object v0

    return-object v0

    .line 139
    :cond_16
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->curveName:Ljava/lang/String;

    if-eqz v0, :cond_26

    .line 141
    new-instance v0, Lorg/spongycastle/asn1/x9/X962Parameters;

    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->curveName:Ljava/lang/String;

    invoke-static {v1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->getNamedCurveOid(Ljava/lang/String;)Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v1

    invoke-direct {v0, v1}, Lorg/spongycastle/asn1/x9/X962Parameters;-><init>(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;)V

    goto :goto_11

    .line 145
    :cond_26
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->ecParameterSpec:Ljava/security/spec/ECParameterSpec;

    const/4 v1, 0x0

    invoke-static {v0, v1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/EC5Util;->convertSpec(Ljava/security/spec/ECParameterSpec;Z)Lorg/spongycastle/jce/spec/ECParameterSpec;

    move-result-object v5

    .line 146
    new-instance v0, Lorg/spongycastle/asn1/x9/X9ECParameters;

    .line 147
    invoke-virtual {v5}, Lorg/spongycastle/jce/spec/ECParameterSpec;->getCurve()Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v1

    .line 148
    invoke-virtual {v5}, Lorg/spongycastle/jce/spec/ECParameterSpec;->getG()Lorg/spongycastle/math/ec/ECPoint;

    move-result-object v2

    .line 149
    invoke-virtual {v5}, Lorg/spongycastle/jce/spec/ECParameterSpec;->getN()Ljava/math/BigInteger;

    move-result-object v3

    .line 150
    invoke-virtual {v5}, Lorg/spongycastle/jce/spec/ECParameterSpec;->getH()Ljava/math/BigInteger;

    move-result-object v4

    .line 151
    invoke-virtual {v5}, Lorg/spongycastle/jce/spec/ECParameterSpec;->getSeed()[B

    move-result-object v5

    invoke-direct/range {v0 .. v5}, Lorg/spongycastle/asn1/x9/X9ECParameters;-><init>(Lorg/spongycastle/math/ec/ECCurve;Lorg/spongycastle/math/ec/ECPoint;Ljava/math/BigInteger;Ljava/math/BigInteger;[B)V

    .line 153
    new-instance v1, Lorg/spongycastle/asn1/x9/X962Parameters;

    invoke-direct {v1, v0}, Lorg/spongycastle/asn1/x9/X962Parameters;-><init>(Lorg/spongycastle/asn1/x9/X9ECParameters;)V

    move-object v0, v1

    goto :goto_11

    .line 159
    :cond_4d
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Unknown parameters format in AlgorithmParameters object: "

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

    throw v0
.end method

.method protected engineGetParameterSpec(Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
    .registers 5
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "<T::",
            "Ljava/security/spec/AlgorithmParameterSpec;",
            ">(",
            "Ljava/lang/Class",
            "<TT;>;)TT;"
        }
    .end annotation

    .prologue
    .line 91
    const-class v0, Ljava/security/spec/ECParameterSpec;

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

    move-result v0

    if-nez v0, :cond_c

    const-class v0, Ljava/security/spec/AlgorithmParameterSpec;

    if-ne p1, v0, :cond_f

    .line 93
    :cond_c
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->ecParameterSpec:Ljava/security/spec/ECParameterSpec;

    .line 113
    :goto_e
    return-object v0

    .line 95
    :cond_f
    const-class v0, Ljava/security/spec/ECGenParameterSpec;

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

    move-result v0

    if-eqz v0, :cond_4c

    .line 97
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->curveName:Ljava/lang/String;

    if-eqz v0, :cond_35

    .line 99
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->curveName:Ljava/lang/String;

    invoke-static {v0}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->getNamedCurveOid(Ljava/lang/String;)Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v1

    .line 101
    if-eqz v1, :cond_2d

    .line 103
    new-instance v0, Ljava/security/spec/ECGenParameterSpec;

    invoke-virtual {v1}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->getId()Ljava/lang/String;

    move-result-object v1

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

    goto :goto_e

    .line 105
    :cond_2d
    new-instance v0, Ljava/security/spec/ECGenParameterSpec;

    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->curveName:Ljava/lang/String;

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

    goto :goto_e

    .line 109
    :cond_35
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->ecParameterSpec:Ljava/security/spec/ECParameterSpec;

    const/4 v1, 0x0

    invoke-static {v0, v1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/EC5Util;->convertSpec(Ljava/security/spec/ECParameterSpec;Z)Lorg/spongycastle/jce/spec/ECParameterSpec;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->getNamedCurveOid(Lorg/spongycastle/jce/spec/ECParameterSpec;)Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v1

    .line 111
    if-eqz v1, :cond_4c

    .line 113
    new-instance v0, Ljava/security/spec/ECGenParameterSpec;

    invoke-virtual {v1}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->getId()Ljava/lang/String;

    move-result-object v1

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

    goto :goto_e

    .line 117
    :cond_4c
    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "EC AlgorithmParameters cannot convert to "

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

    invoke-virtual {p1}, Ljava/lang/Class;->getName()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/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

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

    .prologue
    .line 34
    instance-of v0, p1, Ljava/security/spec/ECGenParameterSpec;

    if-eqz v0, :cond_32

    .line 36
    check-cast p1, Ljava/security/spec/ECGenParameterSpec;

    .line 37
    invoke-static {p1}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/ECUtils;->getDomainParametersFromGenSpec(Ljava/security/spec/ECGenParameterSpec;)Lorg/spongycastle/asn1/x9/X9ECParameters;

    move-result-object v0

    .line 39
    if-nez v0, :cond_25

    .line 41
    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "EC curve name not recognized: "

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

    invoke-virtual {p1}, Ljava/security/spec/ECGenParameterSpec;->getName()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/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 43
    :cond_25
    invoke-virtual {p1}, Ljava/security/spec/ECGenParameterSpec;->getName()Ljava/lang/String;

    move-result-object v1

    iput-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->curveName:Ljava/lang/String;

    .line 44
    invoke-static {v0}, Lorg/spongycastle/jcajce/provider/asymmetric/util/EC5Util;->convertToSpec(Lorg/spongycastle/asn1/x9/X9ECParameters;)Ljava/security/spec/ECParameterSpec;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->ecParameterSpec:Ljava/security/spec/ECParameterSpec;

    .line 49
    :goto_31
    return-void

    .line 46
    :cond_32
    instance-of v0, p1, Ljava/security/spec/ECParameterSpec;

    if-eqz v0, :cond_3e

    .line 48
    const/4 v0, 0x0

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->curveName:Ljava/lang/String;

    .line 49
    check-cast p1, Ljava/security/spec/ECParameterSpec;

    iput-object p1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->ecParameterSpec:Ljava/security/spec/ECParameterSpec;

    goto :goto_31

    .line 53
    :cond_3e
    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "AlgorithmParameterSpec class not recognized: "

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

    invoke-virtual {p1}, Ljava/lang/Object;->getClass()Ljava/lang/Class;

    move-result-object v2

    invoke-virtual {v2}, Ljava/lang/Class;->getName()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/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method protected engineInit([B)V
    .registers 3

    .prologue
    .line 61
    const-string v0, "ASN.1"

    invoke-virtual {p0, p1, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->engineInit([BLjava/lang/String;)V

    .line 62
    return-void
.end method

.method protected engineInit([BLjava/lang/String;)V
    .registers 6

    .prologue
    .line 68
    invoke-virtual {p0, p2}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->isASN1FormatString(Ljava/lang/String;)Z

    move-result v0

    if-eqz v0, :cond_2b

    .line 70
    invoke-static {p1}, Lorg/spongycastle/asn1/x9/X962Parameters;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/x9/X962Parameters;

    move-result-object v0

    .line 72
    sget-object v1, Lorg/spongycastle/jce/provider/BouncyCastleProvider;->CONFIGURATION:Lorg/spongycastle/jcajce/provider/config/ProviderConfiguration;

    invoke-static {v1, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/util/EC5Util;->getCurve(Lorg/spongycastle/jcajce/provider/config/ProviderConfiguration;Lorg/spongycastle/asn1/x9/X962Parameters;)Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v1

    .line 74
    invoke-virtual {v0}, Lorg/spongycastle/asn1/x9/X962Parameters;->isNamedCurve()Z

    move-result v2

    if-eqz v2, :cond_24

    .line 76
    invoke-virtual {v0}, Lorg/spongycastle/asn1/x9/X962Parameters;->getParameters()Lorg/spongycastle/asn1/ASN1Primitive;

    move-result-object v2

    invoke-static {v2}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v2

    invoke-static {v2}, Lorg/spongycastle/asn1/x9/ECNamedCurveTable;->getName(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;)Ljava/lang/String;

    move-result-object v2

    iput-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->curveName:Ljava/lang/String;

    .line 79
    :cond_24
    invoke-static {v0, v1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/EC5Util;->convertToSpec(Lorg/spongycastle/asn1/x9/X962Parameters;Lorg/spongycastle/math/ec/ECCurve;)Ljava/security/spec/ECParameterSpec;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/AlgorithmParametersSpi;->ecParameterSpec:Ljava/security/spec/ECParameterSpec;

    .line 80
    return-void

    .line 83
    :cond_2b
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Unknown encoded parameters format in AlgorithmParameters object: "

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

    invoke-virtual {v1, p2}, 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/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method protected engineToString()Ljava/lang/String;
    .registers 2

    .prologue
    .line 165
    const-string v0, "EC AlgorithmParameters "

    return-object v0
.end method

.method protected isASN1FormatString(Ljava/lang/String;)Z
    .registers 3

    .prologue
    .line 27
    if-eqz p1, :cond_a

    const-string v0, "ASN.1"

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

    move-result v0

    if-eqz v0, :cond_c

    :cond_a
    const/4 v0, 0x1

    :goto_b
    return v0

    :cond_c
    const/4 v0, 0x0

    goto :goto_b
.end method