AlgorithmParametersSpi$OAEP.smali

.class public Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;
.super Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi;
.source "AlgorithmParametersSpi.java"


# instance fields
.field currentSpec:Ljavax/crypto/spec/OAEPParameterSpec;


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

    .prologue
    .line 46
    invoke-direct {p0}, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi;-><init>()V

    return-void
.end method


# virtual methods
.method protected engineGetEncoded()[B
    .registers 7

    .prologue
    .line 56
    new-instance v1, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;->currentSpec:Ljavax/crypto/spec/OAEPParameterSpec;

    .line 57
    invoke-virtual {v0}, Ljavax/crypto/spec/OAEPParameterSpec;->getDigestAlgorithm()Ljava/lang/String;

    move-result-object v0

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

    move-result-object v0

    sget-object v2, Lorg/spongycastle/asn1/DERNull;->INSTANCE:Lorg/spongycastle/asn1/DERNull;

    invoke-direct {v1, v0, v2}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;-><init>(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;Lorg/spongycastle/asn1/ASN1Encodable;)V

    .line 59
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;->currentSpec:Ljavax/crypto/spec/OAEPParameterSpec;

    invoke-virtual {v0}, Ljavax/crypto/spec/OAEPParameterSpec;->getMGFParameters()Ljava/security/spec/AlgorithmParameterSpec;

    move-result-object v0

    check-cast v0, Ljava/security/spec/MGF1ParameterSpec;

    .line 60
    new-instance v2, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    sget-object v3, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->id_mgf1:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    new-instance v4, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    .line 62
    invoke-virtual {v0}, Ljava/security/spec/MGF1ParameterSpec;->getDigestAlgorithm()Ljava/lang/String;

    move-result-object v0

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

    move-result-object v0

    sget-object v5, Lorg/spongycastle/asn1/DERNull;->INSTANCE:Lorg/spongycastle/asn1/DERNull;

    invoke-direct {v4, v0, v5}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;-><init>(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;Lorg/spongycastle/asn1/ASN1Encodable;)V

    invoke-direct {v2, v3, v4}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;-><init>(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;Lorg/spongycastle/asn1/ASN1Encodable;)V

    .line 63
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;->currentSpec:Ljavax/crypto/spec/OAEPParameterSpec;

    invoke-virtual {v0}, Ljavax/crypto/spec/OAEPParameterSpec;->getPSource()Ljavax/crypto/spec/PSource;

    move-result-object v0

    check-cast v0, Ljavax/crypto/spec/PSource$PSpecified;

    .line 64
    new-instance v3, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    sget-object v4, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->id_pSpecified:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    new-instance v5, Lorg/spongycastle/asn1/DEROctetString;

    .line 65
    invoke-virtual {v0}, Ljavax/crypto/spec/PSource$PSpecified;->getValue()[B

    move-result-object v0

    invoke-direct {v5, v0}, Lorg/spongycastle/asn1/DEROctetString;-><init>([B)V

    invoke-direct {v3, v4, v5}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;-><init>(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;Lorg/spongycastle/asn1/ASN1Encodable;)V

    .line 66
    new-instance v0, Lorg/spongycastle/asn1/pkcs/RSAESOAEPparams;

    invoke-direct {v0, v1, v2, v3}, Lorg/spongycastle/asn1/pkcs/RSAESOAEPparams;-><init>(Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;)V

    .line 70
    :try_start_4c
    const-string v1, "DER"

    invoke-virtual {v0, v1}, Lorg/spongycastle/asn1/pkcs/RSAESOAEPparams;->getEncoded(Ljava/lang/String;)[B
    :try_end_51
    .catch Ljava/io/IOException; {:try_start_4c .. :try_end_51} :catch_53

    move-result-object v0

    return-object v0

    .line 74
    :catch_53
    move-exception v0

    new-instance v0, Ljava/lang/RuntimeException;

    const-string v1, "Error encoding OAEPParameters"

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

    throw v0
.end method

.method protected engineGetEncoded(Ljava/lang/String;)[B
    .registers 3

    .prologue
    .line 81
    invoke-virtual {p0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;->isASN1FormatString(Ljava/lang/String;)Z

    move-result v0

    if-nez v0, :cond_e

    const-string v0, "X.509"

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

    move-result v0

    if-eqz v0, :cond_13

    .line 83
    :cond_e
    invoke-virtual {p0}, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;->engineGetEncoded()[B

    move-result-object v0

    .line 86
    :goto_12
    return-object v0

    :cond_13
    const/4 v0, 0x0

    goto :goto_12
.end method

.method protected engineInit(Ljava/security/spec/AlgorithmParameterSpec;)V
    .registers 4

    .prologue
    .line 105
    instance-of v0, p1, Ljavax/crypto/spec/OAEPParameterSpec;

    if-nez v0, :cond_c

    .line 107
    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    const-string v1, "OAEPParameterSpec required to initialise an OAEP algorithm parameters object"

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

    throw v0

    .line 110
    :cond_c
    check-cast p1, Ljavax/crypto/spec/OAEPParameterSpec;

    iput-object p1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;->currentSpec:Ljavax/crypto/spec/OAEPParameterSpec;

    .line 111
    return-void
.end method

.method protected engineInit([B)V
    .registers 8

    .prologue
    .line 119
    :try_start_0
    invoke-static {p1}, Lorg/spongycastle/asn1/pkcs/RSAESOAEPparams;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/pkcs/RSAESOAEPparams;

    move-result-object v0

    .line 121
    new-instance v1, Ljavax/crypto/spec/OAEPParameterSpec;

    .line 122
    invoke-virtual {v0}, Lorg/spongycastle/asn1/pkcs/RSAESOAEPparams;->getHashAlgorithm()Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    move-result-object v2

    invoke-virtual {v2}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v2

    invoke-virtual {v2}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->getId()Ljava/lang/String;

    move-result-object v2

    .line 123
    invoke-virtual {v0}, Lorg/spongycastle/asn1/pkcs/RSAESOAEPparams;->getMaskGenAlgorithm()Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    move-result-object v3

    invoke-virtual {v3}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v3

    invoke-virtual {v3}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->getId()Ljava/lang/String;

    move-result-object v3

    new-instance v4, Ljava/security/spec/MGF1ParameterSpec;

    .line 124
    invoke-virtual {v0}, Lorg/spongycastle/asn1/pkcs/RSAESOAEPparams;->getMaskGenAlgorithm()Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    move-result-object v5

    invoke-virtual {v5}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getParameters()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v5

    invoke-static {v5}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    move-result-object v5

    invoke-virtual {v5}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getAlgorithm()Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    move-result-object v5

    invoke-virtual {v5}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->getId()Ljava/lang/String;

    move-result-object v5

    invoke-direct {v4, v5}, Ljava/security/spec/MGF1ParameterSpec;-><init>(Ljava/lang/String;)V

    new-instance v5, Ljavax/crypto/spec/PSource$PSpecified;

    .line 125
    invoke-virtual {v0}, Lorg/spongycastle/asn1/pkcs/RSAESOAEPparams;->getPSourceAlgorithm()Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/asn1/x509/AlgorithmIdentifier;->getParameters()Lorg/spongycastle/asn1/ASN1Encodable;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/asn1/ASN1OctetString;->getInstance(Ljava/lang/Object;)Lorg/spongycastle/asn1/ASN1OctetString;

    move-result-object v0

    invoke-virtual {v0}, Lorg/spongycastle/asn1/ASN1OctetString;->getOctets()[B

    move-result-object v0

    invoke-direct {v5, v0}, Ljavax/crypto/spec/PSource$PSpecified;-><init>([B)V

    invoke-direct {v1, v2, v3, v4, v5}, Ljavax/crypto/spec/OAEPParameterSpec;-><init>(Ljava/lang/String;Ljava/lang/String;Ljava/security/spec/AlgorithmParameterSpec;Ljavax/crypto/spec/PSource;)V

    iput-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;->currentSpec:Ljavax/crypto/spec/OAEPParameterSpec;
    :try_end_51
    .catch Ljava/lang/ClassCastException; {:try_start_0 .. :try_end_51} :catch_52
    .catch Ljava/lang/ArrayIndexOutOfBoundsException; {:try_start_0 .. :try_end_51} :catch_5b

    .line 134
    return-void

    .line 129
    :catch_52
    move-exception v0

    new-instance v0, Ljava/io/IOException;

    const-string v1, "Not a valid OAEP Parameter encoding."

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

    throw v0

    .line 133
    :catch_5b
    move-exception v0

    new-instance v0, Ljava/io/IOException;

    const-string v1, "Not a valid OAEP Parameter encoding."

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

    throw v0
.end method

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

    .prologue
    .line 142
    const-string v0, "X.509"

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

    move-result v0

    if-nez v0, :cond_10

    const-string v0, "ASN.1"

    .line 143
    invoke-virtual {p2, v0}, Ljava/lang/String;->equalsIgnoreCase(Ljava/lang/String;)Z

    move-result v0

    if-eqz v0, :cond_14

    .line 145
    :cond_10
    invoke-virtual {p0, p1}, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;->engineInit([B)V

    return-void

    .line 149
    :cond_14
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Unknown parameter format "

    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 155
    const-string v0, "OAEP Parameters"

    return-object v0
.end method

.method protected localEngineGetParameterSpec(Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
    .registers 4

    .prologue
    .line 93
    const-class v0, Ljavax/crypto/spec/OAEPParameterSpec;

    if-eq p1, v0, :cond_8

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

    if-ne p1, v0, :cond_b

    .line 95
    :cond_8
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/AlgorithmParametersSpi$OAEP;->currentSpec:Ljavax/crypto/spec/OAEPParameterSpec;

    return-object v0

    .line 98
    :cond_b
    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    const-string v1, "unknown parameter spec passed to OAEP parameters object."

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

    throw v0
.end method