ECParameters.smali

.class public Lorg/conscrypt/ECParameters;
.super Ljava/security/AlgorithmParametersSpi;
.source ""


# instance fields
.field private curve:Lorg/conscrypt/OpenSSLECGroupContext;


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

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

    return-void
.end method


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

    iget-object v0, p0, Lorg/conscrypt/ECParameters;->curve:Lorg/conscrypt/OpenSSLECGroupContext;

    invoke-virtual {v0}, Lorg/conscrypt/OpenSSLECGroupContext;->getNativeRef()Lorg/conscrypt/NativeRef$EC_GROUP;

    move-result-object v0

    invoke-static {v0}, Lorg/conscrypt/NativeCrypto;->EC_KEY_marshal_curve_name(Lorg/conscrypt/NativeRef$EC_GROUP;)[B

    move-result-object v0

    return-object v0
.end method

.method protected engineGetEncoded(Ljava/lang/String;)[B
    .registers 5

    if-eqz p1, :cond_22

    const-string v0, "ASN.1"

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

    move-result v0

    if-eqz v0, :cond_b

    goto :goto_22

    :cond_b
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Unsupported format: "

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

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

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

    move-result-object p1

    invoke-direct {v0, p1}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_22
    :goto_22
    invoke-virtual {p0}, Lorg/conscrypt/ECParameters;->engineGetEncoded()[B

    move-result-object p1

    return-object p1
.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

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

    if-ne p1, v0, :cond_b

    iget-object p1, p0, Lorg/conscrypt/ECParameters;->curve:Lorg/conscrypt/OpenSSLECGroupContext;

    invoke-virtual {p1}, Lorg/conscrypt/OpenSSLECGroupContext;->getECParameterSpec()Ljava/security/spec/ECParameterSpec;

    move-result-object p1

    return-object p1

    :cond_b
    const-class v0, Ljava/security/spec/ECGenParameterSpec;

    if-ne p1, v0, :cond_1b

    new-instance p1, Ljava/security/spec/ECGenParameterSpec;

    iget-object v0, p0, Lorg/conscrypt/ECParameters;->curve:Lorg/conscrypt/OpenSSLECGroupContext;

    invoke-virtual {v0}, Lorg/conscrypt/OpenSSLECGroupContext;->getCurveName()Ljava/lang/String;

    move-result-object v0

    invoke-direct {p1, v0}, Ljava/security/spec/ECGenParameterSpec;-><init>(Ljava/lang/String;)V

    return-object p1

    :cond_1b
    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Unsupported class: "

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

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

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

    move-result-object p1

    invoke-direct {v0, p1}, Ljava/security/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

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

    instance-of v0, p1, Ljava/security/spec/ECGenParameterSpec;

    if-eqz v0, :cond_2a

    check-cast p1, Ljava/security/spec/ECGenParameterSpec;

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

    move-result-object p1

    invoke-static {p1}, Lorg/conscrypt/OpenSSLECGroupContext;->getCurveByName(Ljava/lang/String;)Lorg/conscrypt/OpenSSLECGroupContext;

    move-result-object v0

    if-eqz v0, :cond_13

    iput-object v0, p0, Lorg/conscrypt/ECParameters;->curve:Lorg/conscrypt/OpenSSLECGroupContext;

    goto :goto_38

    :cond_13
    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Unknown EC curve name: "

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

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

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

    move-result-object p1

    invoke-direct {v0, p1}, Ljava/security/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_2a
    instance-of v0, p1, Ljava/security/spec/ECParameterSpec;

    if-eqz v0, :cond_5b

    check-cast p1, Ljava/security/spec/ECParameterSpec;

    :try_start_30
    invoke-static {p1}, Lorg/conscrypt/OpenSSLECGroupContext;->getInstance(Ljava/security/spec/ECParameterSpec;)Lorg/conscrypt/OpenSSLECGroupContext;

    move-result-object v0

    if-eqz v0, :cond_39

    iput-object v0, p0, Lorg/conscrypt/ECParameters;->curve:Lorg/conscrypt/OpenSSLECGroupContext;

    :goto_38
    return-void

    :cond_39
    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Unknown EC curve: "

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

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

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

    move-result-object p1

    invoke-direct {v0, p1}, Ljava/security/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw v0
    :try_end_50
    .catch Ljava/security/InvalidAlgorithmParameterException; {:try_start_30 .. :try_end_50} :catch_50

    :catch_50
    move-exception p1

    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    invoke-virtual {p1}, Ljava/security/InvalidAlgorithmParameterException;->getMessage()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v0, p1}, Ljava/security/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_5b
    new-instance p1, Ljava/security/spec/InvalidParameterSpecException;

    const-string v0, "Only ECParameterSpec and ECGenParameterSpec are supported"

    invoke-direct {p1, v0}, Ljava/security/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw p1
.end method

.method protected engineInit([B)V
    .registers 6

    invoke-static {p1}, Lorg/conscrypt/NativeCrypto;->EC_KEY_parse_curve_name([B)J

    move-result-wide v0

    const-wide/16 v2, 0x0

    cmp-long p1, v0, v2

    if-eqz p1, :cond_17

    new-instance p1, Lorg/conscrypt/OpenSSLECGroupContext;

    new-instance v2, Lorg/conscrypt/NativeRef$EC_GROUP;

    invoke-direct {v2, v0, v1}, Lorg/conscrypt/NativeRef$EC_GROUP;-><init>(J)V

    invoke-direct {p1, v2}, Lorg/conscrypt/OpenSSLECGroupContext;-><init>(Lorg/conscrypt/NativeRef$EC_GROUP;)V

    iput-object p1, p0, Lorg/conscrypt/ECParameters;->curve:Lorg/conscrypt/OpenSSLECGroupContext;

    return-void

    :cond_17
    new-instance p1, Ljava/io/IOException;

    const-string v0, "Error reading ASN.1 encoding"

    invoke-direct {p1, v0}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw p1
.end method

.method protected engineInit([BLjava/lang/String;)V
    .registers 5

    if-eqz p2, :cond_22

    const-string v0, "ASN.1"

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

    move-result v0

    if-eqz v0, :cond_b

    goto :goto_22

    :cond_b
    new-instance p1, Ljava/io/IOException;

    new-instance v0, Ljava/lang/StringBuilder;

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

    const-string v1, "Unsupported format: "

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

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

    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p2

    invoke-direct {p1, p2}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw p1

    :cond_22
    :goto_22
    invoke-virtual {p0, p1}, Lorg/conscrypt/ECParameters;->engineInit([B)V

    return-void
.end method

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

    const-string v0, "Conscrypt EC AlgorithmParameters"

    return-object v0
.end method