KeyAgreementSpi.smali

.class public Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;
.super Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseAgreementSpi;
.source "KeyAgreementSpi.java"


# static fields
.field private static final converter:Lorg/spongycastle/asn1/x9/X9IntegerConverter;


# instance fields
.field private agreement:Lorg/spongycastle/crypto/BasicAgreement;

.field private kaAlgorithm:Ljava/lang/String;

.field private mqvParameters:Lorg/spongycastle/jcajce/spec/MQVParameterSpec;

.field private parameters:Lorg/spongycastle/crypto/params/ECDomainParameters;


# direct methods
.method static constructor <clinit>()V
    .registers 1

    .prologue
    .line 49
    new-instance v0, Lorg/spongycastle/asn1/x9/X9IntegerConverter;

    invoke-direct {v0}, Lorg/spongycastle/asn1/x9/X9IntegerConverter;-><init>()V

    sput-object v0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->converter:Lorg/spongycastle/asn1/x9/X9IntegerConverter;

    return-void
.end method

.method protected constructor <init>(Ljava/lang/String;Lorg/spongycastle/crypto/BasicAgreement;Lorg/spongycastle/crypto/DerivationFunction;)V
    .registers 4

    .prologue
    .line 63
    invoke-direct {p0, p1, p3}, Lorg/spongycastle/jcajce/provider/asymmetric/util/BaseAgreementSpi;-><init>(Ljava/lang/String;Lorg/spongycastle/crypto/DerivationFunction;)V

    .line 65
    iput-object p1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->kaAlgorithm:Ljava/lang/String;

    .line 66
    iput-object p2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->agreement:Lorg/spongycastle/crypto/BasicAgreement;

    .line 67
    return-void
.end method

.method private static getSimpleName(Ljava/lang/Class;)Ljava/lang/String;
    .registers 3

    .prologue
    .line 228
    invoke-virtual {p0}, Ljava/lang/Class;->getName()Ljava/lang/String;

    move-result-object v0

    .line 230
    const/16 v1, 0x2e

    invoke-virtual {v0, v1}, Ljava/lang/String;->lastIndexOf(I)I

    move-result v1

    add-int/lit8 v1, v1, 0x1

    invoke-virtual {v0, v1}, Ljava/lang/String;->substring(I)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method private initFromKey(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    .registers 7

    .prologue
    const/4 v2, 0x0

    .line 158
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->agreement:Lorg/spongycastle/crypto/BasicAgreement;

    instance-of v0, v0, Lorg/spongycastle/crypto/agreement/ECMQVBasicAgreement;

    if-eqz v0, :cond_a4

    .line 160
    iput-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->mqvParameters:Lorg/spongycastle/jcajce/spec/MQVParameterSpec;

    .line 161
    instance-of v0, p1, Lorg/spongycastle/jce/interfaces/MQVPrivateKey;

    if-nez v0, :cond_3c

    instance-of v0, p2, Lorg/spongycastle/jcajce/spec/MQVParameterSpec;

    if-nez v0, :cond_3c

    .line 163
    new-instance v0, Ljava/security/InvalidKeyException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->kaAlgorithm:Ljava/lang/String;

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, " key agreement requires "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-class v2, Lorg/spongycastle/jcajce/spec/MQVParameterSpec;

    .line 164
    invoke-static {v2}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->getSimpleName(Ljava/lang/Class;)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

    const-string v2, " for initialisation"

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

    throw v0

    .line 170
    :cond_3c
    instance-of v0, p1, Lorg/spongycastle/jce/interfaces/MQVPrivateKey;

    if-eqz v0, :cond_77

    .line 172
    check-cast p1, Lorg/spongycastle/jce/interfaces/MQVPrivateKey;

    .line 174
    invoke-interface {p1}, Lorg/spongycastle/jce/interfaces/MQVPrivateKey;->getStaticPrivateKey()Ljava/security/PrivateKey;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePrivateKeyParameter(Ljava/security/PrivateKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;

    .line 176
    invoke-interface {p1}, Lorg/spongycastle/jce/interfaces/MQVPrivateKey;->getEphemeralPrivateKey()Ljava/security/PrivateKey;

    move-result-object v1

    invoke-static {v1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePrivateKeyParameter(Ljava/security/PrivateKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v1

    check-cast v1, Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;

    .line 179
    invoke-interface {p1}, Lorg/spongycastle/jce/interfaces/MQVPrivateKey;->getEphemeralPublicKey()Ljava/security/PublicKey;

    move-result-object v3

    if-eqz v3, :cond_66

    .line 182
    invoke-interface {p1}, Lorg/spongycastle/jce/interfaces/MQVPrivateKey;->getEphemeralPublicKey()Ljava/security/PublicKey;

    move-result-object v2

    invoke-static {v2}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v2

    check-cast v2, Lorg/spongycastle/crypto/params/ECPublicKeyParameters;

    .line 204
    :cond_66
    :goto_66
    new-instance v3, Lorg/spongycastle/crypto/params/MQVPrivateParameters;

    invoke-direct {v3, v0, v1, v2}, Lorg/spongycastle/crypto/params/MQVPrivateParameters;-><init>(Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;Lorg/spongycastle/crypto/params/ECPublicKeyParameters;)V

    .line 205
    invoke-virtual {v0}, Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;->getParameters()Lorg/spongycastle/crypto/params/ECDomainParameters;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->parameters:Lorg/spongycastle/crypto/params/ECDomainParameters;

    .line 209
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->agreement:Lorg/spongycastle/crypto/BasicAgreement;

    invoke-interface {v0, v3}, Lorg/spongycastle/crypto/BasicAgreement;->init(Lorg/spongycastle/crypto/CipherParameters;)V

    .line 224
    :goto_76
    return-void

    .line 187
    :cond_77
    check-cast p2, Lorg/spongycastle/jcajce/spec/MQVParameterSpec;

    .line 189
    check-cast p1, Ljava/security/PrivateKey;

    .line 190
    invoke-static {p1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePrivateKeyParameter(Ljava/security/PrivateKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;

    .line 192
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/spec/MQVParameterSpec;->getEphemeralPrivateKey()Ljava/security/PrivateKey;

    move-result-object v1

    invoke-static {v1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePrivateKeyParameter(Ljava/security/PrivateKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v1

    check-cast v1, Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;

    .line 195
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/spec/MQVParameterSpec;->getEphemeralPublicKey()Ljava/security/PublicKey;

    move-result-object v3

    if-eqz v3, :cond_9b

    .line 198
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/spec/MQVParameterSpec;->getEphemeralPublicKey()Ljava/security/PublicKey;

    move-result-object v2

    invoke-static {v2}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v2

    check-cast v2, Lorg/spongycastle/crypto/params/ECPublicKeyParameters;

    .line 200
    :cond_9b
    iput-object p2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->mqvParameters:Lorg/spongycastle/jcajce/spec/MQVParameterSpec;

    .line 201
    invoke-virtual {p2}, Lorg/spongycastle/jcajce/spec/MQVParameterSpec;->getUserKeyingMaterial()[B

    move-result-object v3

    iput-object v3, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->ukmParameters:[B

    goto :goto_66

    .line 213
    :cond_a4
    instance-of v0, p1, Ljava/security/PrivateKey;

    if-nez v0, :cond_d3

    .line 215
    new-instance v0, Ljava/security/InvalidKeyException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->kaAlgorithm:Ljava/lang/String;

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, " key agreement requires "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-class v2, Lorg/spongycastle/jce/interfaces/ECPrivateKey;

    .line 216
    invoke-static {v2}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->getSimpleName(Ljava/lang/Class;)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

    const-string v2, " for initialisation"

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

    throw v0

    .line 219
    :cond_d3
    check-cast p1, Ljava/security/PrivateKey;

    invoke-static {p1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePrivateKeyParameter(Ljava/security/PrivateKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;

    .line 220
    invoke-virtual {v0}, Lorg/spongycastle/crypto/params/ECPrivateKeyParameters;->getParameters()Lorg/spongycastle/crypto/params/ECDomainParameters;

    move-result-object v1

    iput-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->parameters:Lorg/spongycastle/crypto/params/ECDomainParameters;

    .line 221
    instance-of v1, p2, Lorg/spongycastle/jcajce/spec/UserKeyingMaterialSpec;

    if-eqz v1, :cond_eb

    check-cast p2, Lorg/spongycastle/jcajce/spec/UserKeyingMaterialSpec;

    invoke-virtual {p2}, Lorg/spongycastle/jcajce/spec/UserKeyingMaterialSpec;->getUserKeyingMaterial()[B

    move-result-object v2

    :cond_eb
    iput-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->ukmParameters:[B

    .line 222
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->agreement:Lorg/spongycastle/crypto/BasicAgreement;

    invoke-interface {v1, v0}, Lorg/spongycastle/crypto/BasicAgreement;->init(Lorg/spongycastle/crypto/CipherParameters;)V

    goto :goto_76
.end method


# virtual methods
.method protected bigIntToBytes(Ljava/math/BigInteger;)[B
    .registers 5

    .prologue
    .line 72
    sget-object v0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->converter:Lorg/spongycastle/asn1/x9/X9IntegerConverter;

    sget-object v1, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->converter:Lorg/spongycastle/asn1/x9/X9IntegerConverter;

    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->parameters:Lorg/spongycastle/crypto/params/ECDomainParameters;

    invoke-virtual {v2}, Lorg/spongycastle/crypto/params/ECDomainParameters;->getCurve()Lorg/spongycastle/math/ec/ECCurve;

    move-result-object v2

    invoke-virtual {v1, v2}, Lorg/spongycastle/asn1/x9/X9IntegerConverter;->getByteLength(Lorg/spongycastle/math/ec/ECCurve;)I

    move-result v1

    invoke-virtual {v0, p1, v1}, Lorg/spongycastle/asn1/x9/X9IntegerConverter;->integerToBytes(Ljava/math/BigInteger;I)[B

    move-result-object v0

    return-object v0
.end method

.method protected engineDoPhase(Ljava/security/Key;Z)Ljava/security/Key;
    .registers 6

    .prologue
    .line 80
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->parameters:Lorg/spongycastle/crypto/params/ECDomainParameters;

    if-nez v0, :cond_1f

    .line 82
    new-instance v0, Ljava/lang/IllegalStateException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->kaAlgorithm:Ljava/lang/String;

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, " not initialised."

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

    throw v0

    .line 85
    :cond_1f
    if-nez p2, :cond_3c

    .line 87
    new-instance v0, Ljava/lang/IllegalStateException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->kaAlgorithm:Ljava/lang/String;

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, " can only be between two parties."

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

    throw v0

    .line 91
    :cond_3c
    iget-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->agreement:Lorg/spongycastle/crypto/BasicAgreement;

    instance-of v0, v0, Lorg/spongycastle/crypto/agreement/ECMQVBasicAgreement;

    if-eqz v0, :cond_87

    .line 93
    instance-of v0, p1, Lorg/spongycastle/jce/interfaces/MQVPublicKey;

    if-nez v0, :cond_6a

    .line 95
    check-cast p1, Ljava/security/PublicKey;

    .line 96
    invoke-static {p1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/crypto/params/ECPublicKeyParameters;

    .line 97
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->mqvParameters:Lorg/spongycastle/jcajce/spec/MQVParameterSpec;

    .line 98
    invoke-virtual {v1}, Lorg/spongycastle/jcajce/spec/MQVParameterSpec;->getOtherPartyEphemeralKey()Ljava/security/PublicKey;

    move-result-object v1

    invoke-static {v1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v1

    check-cast v1, Lorg/spongycastle/crypto/params/ECPublicKeyParameters;

    .line 100
    new-instance v2, Lorg/spongycastle/crypto/params/MQVPublicParameters;

    invoke-direct {v2, v0, v1}, Lorg/spongycastle/crypto/params/MQVPublicParameters;-><init>(Lorg/spongycastle/crypto/params/ECPublicKeyParameters;Lorg/spongycastle/crypto/params/ECPublicKeyParameters;)V

    move-object v0, v2

    .line 128
    :goto_60
    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->agreement:Lorg/spongycastle/crypto/BasicAgreement;

    invoke-interface {v1, v0}, Lorg/spongycastle/crypto/BasicAgreement;->calculateAgreement(Lorg/spongycastle/crypto/CipherParameters;)Ljava/math/BigInteger;

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->result:Ljava/math/BigInteger;

    .line 130
    const/4 v0, 0x0

    return-object v0

    .line 104
    :cond_6a
    check-cast p1, Lorg/spongycastle/jce/interfaces/MQVPublicKey;

    .line 106
    invoke-interface {p1}, Lorg/spongycastle/jce/interfaces/MQVPublicKey;->getStaticKey()Ljava/security/PublicKey;

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/crypto/params/ECPublicKeyParameters;

    .line 108
    invoke-interface {p1}, Lorg/spongycastle/jce/interfaces/MQVPublicKey;->getEphemeralKey()Ljava/security/PublicKey;

    move-result-object v1

    invoke-static {v1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v1

    check-cast v1, Lorg/spongycastle/crypto/params/ECPublicKeyParameters;

    .line 110
    new-instance v2, Lorg/spongycastle/crypto/params/MQVPublicParameters;

    invoke-direct {v2, v0, v1}, Lorg/spongycastle/crypto/params/MQVPublicParameters;-><init>(Lorg/spongycastle/crypto/params/ECPublicKeyParameters;Lorg/spongycastle/crypto/params/ECPublicKeyParameters;)V

    move-object v0, v2

    .line 113
    goto :goto_60

    .line 117
    :cond_87
    instance-of v0, p1, Ljava/security/PublicKey;

    if-nez v0, :cond_b6

    .line 119
    new-instance v0, Ljava/security/InvalidKeyException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->kaAlgorithm:Ljava/lang/String;

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, " key agreement requires "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-class v2, Lorg/spongycastle/jce/interfaces/ECPublicKey;

    .line 120
    invoke-static {v2}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->getSimpleName(Ljava/lang/Class;)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

    const-string v2, " for doPhase"

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

    throw v0

    .line 123
    :cond_b6
    check-cast p1, Ljava/security/PublicKey;

    invoke-static {p1}, Lorg/spongycastle/jcajce/provider/asymmetric/util/ECUtil;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    goto :goto_60
.end method

.method protected engineInit(Ljava/security/Key;Ljava/security/SecureRandom;)V
    .registers 4

    .prologue
    .line 152
    const/4 v0, 0x0

    invoke-direct {p0, p1, v0}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->initFromKey(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    .line 153
    return-void
.end method

.method protected engineInit(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    .registers 6

    .prologue
    .line 139
    if-eqz p2, :cond_12

    instance-of v0, p2, Lorg/spongycastle/jcajce/spec/MQVParameterSpec;

    if-nez v0, :cond_12

    instance-of v0, p2, Lorg/spongycastle/jcajce/spec/UserKeyingMaterialSpec;

    if-nez v0, :cond_12

    .line 141
    new-instance v0, Ljava/security/InvalidAlgorithmParameterException;

    const-string v1, "No algorithm parameters supported"

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

    throw v0

    .line 144
    :cond_12
    invoke-direct {p0, p1, p2}, Lorg/spongycastle/jcajce/provider/asymmetric/ec/KeyAgreementSpi;->initFromKey(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    .line 145
    return-void
.end method