RSAUtil.smali
.class public Lorg/spongycastle/jcajce/provider/asymmetric/rsa/RSAUtil;
.super Ljava/lang/Object;
.source "RSAUtil.java"
# static fields
.field public static final rsaOids:[Lorg/spongycastle/asn1/ASN1ObjectIdentifier;
# direct methods
.method static constructor <clinit>()V
.registers 3
.prologue
.line 19
const/4 v0, 0x4
new-array v0, v0, [Lorg/spongycastle/asn1/ASN1ObjectIdentifier;
const/4 v1, 0x0
sget-object v2, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->rsaEncryption:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;
aput-object v2, v0, v1
const/4 v1, 0x1
sget-object v2, Lorg/spongycastle/asn1/x509/X509ObjectIdentifiers;->id_ea_rsa:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;
aput-object v2, v0, v1
const/4 v1, 0x2
sget-object v2, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->id_RSAES_OAEP:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;
aput-object v2, v0, v1
const/4 v1, 0x3
sget-object v2, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->id_RSASSA_PSS:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;
aput-object v2, v0, v1
sput-object v0, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/RSAUtil;->rsaOids:[Lorg/spongycastle/asn1/ASN1ObjectIdentifier;
return-void
.end method
.method public constructor <init>()V
.registers 1
.prologue
.line 17
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
return-void
.end method
.method static generatePrivateKeyParameter(Ljava/security/interfaces/RSAPrivateKey;)Lorg/spongycastle/crypto/params/RSAKeyParameters;
.registers 10
.prologue
.line 51
instance-of v0, p0, Ljava/security/interfaces/RSAPrivateCrtKey;
if-eqz v0, :cond_2c
.line 53
check-cast p0, Ljava/security/interfaces/RSAPrivateCrtKey;
.line 55
new-instance v0, Lorg/spongycastle/crypto/params/RSAPrivateCrtKeyParameters;
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateCrtKey;->getModulus()Ljava/math/BigInteger;
move-result-object v1
.line 56
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateCrtKey;->getPublicExponent()Ljava/math/BigInteger;
move-result-object v2
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateCrtKey;->getPrivateExponent()Ljava/math/BigInteger;
move-result-object v3
.line 57
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateCrtKey;->getPrimeP()Ljava/math/BigInteger;
move-result-object v4
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateCrtKey;->getPrimeQ()Ljava/math/BigInteger;
move-result-object v5
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateCrtKey;->getPrimeExponentP()Ljava/math/BigInteger;
move-result-object v6
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateCrtKey;->getPrimeExponentQ()Ljava/math/BigInteger;
move-result-object v7
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateCrtKey;->getCrtCoefficient()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 63
:goto_2b
return-object v0
:cond_2c
new-instance v0, Lorg/spongycastle/crypto/params/RSAKeyParameters;
const/4 v1, 0x1
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateKey;->getModulus()Ljava/math/BigInteger;
move-result-object v2
invoke-interface {p0}, Ljava/security/interfaces/RSAPrivateKey;->getPrivateExponent()Ljava/math/BigInteger;
move-result-object v3
invoke-direct {v0, v1, v2, v3}, Lorg/spongycastle/crypto/params/RSAKeyParameters;-><init>(ZLjava/math/BigInteger;Ljava/math/BigInteger;)V
goto :goto_2b
.end method
.method static generatePublicKeyParameter(Ljava/security/interfaces/RSAPublicKey;)Lorg/spongycastle/crypto/params/RSAKeyParameters;
.registers 5
.prologue
.line 44
new-instance v0, Lorg/spongycastle/crypto/params/RSAKeyParameters;
const/4 v1, 0x0
invoke-interface {p0}, Ljava/security/interfaces/RSAPublicKey;->getModulus()Ljava/math/BigInteger;
move-result-object v2
invoke-interface {p0}, Ljava/security/interfaces/RSAPublicKey;->getPublicExponent()Ljava/math/BigInteger;
move-result-object v3
invoke-direct {v0, v1, v2, v3}, Lorg/spongycastle/crypto/params/RSAKeyParameters;-><init>(ZLjava/math/BigInteger;Ljava/math/BigInteger;)V
return-object v0
.end method
.method public static isRsaOid(Lorg/spongycastle/asn1/ASN1ObjectIdentifier;)Z
.registers 4
.prologue
const/4 v1, 0x0
.line 30
move v0, v1
:goto_2
sget-object v2, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/RSAUtil;->rsaOids:[Lorg/spongycastle/asn1/ASN1ObjectIdentifier;
array-length v2, v2
if-eq v0, v2, :cond_12
.line 32
sget-object v2, Lorg/spongycastle/jcajce/provider/asymmetric/rsa/RSAUtil;->rsaOids:[Lorg/spongycastle/asn1/ASN1ObjectIdentifier;
aget-object v2, v2, v0
invoke-virtual {p0, v2}, Lorg/spongycastle/asn1/ASN1ObjectIdentifier;->equals(Ljava/lang/Object;)Z
move-result v2
if-eqz v2, :cond_13
.line 34
const/4 v1, 0x1
.line 38
:cond_12
return v1
.line 30
:cond_13
add-int/lit8 v0, v0, 0x1
goto :goto_2
.end method