TlsSRPUtils.smali

.class public Lorg/spongycastle/crypto/tls/TlsSRPUtils;
.super Ljava/lang/Object;
.source "TlsSRPUtils.java"


# static fields
.field public static final EXT_SRP:Ljava/lang/Integer;


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

    .prologue
    .line 15
    const/16 v0, 0xc

    invoke-static {v0}, Lorg/spongycastle/util/Integers;->valueOf(I)Ljava/lang/Integer;

    move-result-object v0

    sput-object v0, Lorg/spongycastle/crypto/tls/TlsSRPUtils;->EXT_SRP:Ljava/lang/Integer;

    return-void
.end method

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

    .prologue
    .line 13
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static addSRPExtension(Ljava/util/Hashtable;[B)V
    .registers 4

    .prologue
    .line 19
    sget-object v0, Lorg/spongycastle/crypto/tls/TlsSRPUtils;->EXT_SRP:Ljava/lang/Integer;

    invoke-static {p1}, Lorg/spongycastle/crypto/tls/TlsSRPUtils;->createSRPExtension([B)[B

    move-result-object v1

    invoke-virtual {p0, v0, v1}, Ljava/util/Hashtable;->put(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;

    .line 20
    return-void
.end method

.method public static createSRPExtension([B)[B
    .registers 3

    .prologue
    .line 30
    if-nez p0, :cond_a

    .line 32
    new-instance v0, Lorg/spongycastle/crypto/tls/TlsFatalAlert;

    const/16 v1, 0x50

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/tls/TlsFatalAlert;-><init>(S)V

    throw v0

    .line 35
    :cond_a
    invoke-static {p0}, Lorg/spongycastle/crypto/tls/TlsUtils;->encodeOpaque8([B)[B

    move-result-object v0

    return-object v0
.end method

.method public static getSRPExtension(Ljava/util/Hashtable;)[B
    .registers 2

    .prologue
    .line 24
    sget-object v0, Lorg/spongycastle/crypto/tls/TlsSRPUtils;->EXT_SRP:Ljava/lang/Integer;

    invoke-static {p0, v0}, Lorg/spongycastle/crypto/tls/TlsUtils;->getExtensionData(Ljava/util/Hashtable;Ljava/lang/Integer;)[B

    move-result-object v0

    .line 25
    if-nez v0, :cond_a

    const/4 v0, 0x0

    :goto_9
    return-object v0

    :cond_a
    invoke-static {v0}, Lorg/spongycastle/crypto/tls/TlsSRPUtils;->readSRPExtension([B)[B

    move-result-object v0

    goto :goto_9
.end method

.method public static isSRPCipherSuite(I)Z
    .registers 2

    .prologue
    .line 65
    packed-switch p0, :pswitch_data_8

    .line 79
    const/4 v0, 0x0

    :goto_4
    return v0

    .line 76
    :pswitch_5
    const/4 v0, 0x1

    goto :goto_4

    .line 65
    nop

    :pswitch_data_8
    .packed-switch 0xc01a
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_5
        :pswitch_5
    .end packed-switch
.end method

.method public static readSRPExtension([B)[B
    .registers 3

    .prologue
    .line 40
    if-nez p0, :cond_a

    .line 42
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "\'extensionData\' cannot be null"

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

    throw v0

    .line 45
    :cond_a
    new-instance v0, Ljava/io/ByteArrayInputStream;

    invoke-direct {v0, p0}, Ljava/io/ByteArrayInputStream;-><init>([B)V

    .line 46
    invoke-static {v0}, Lorg/spongycastle/crypto/tls/TlsUtils;->readOpaque8(Ljava/io/InputStream;)[B

    move-result-object v1

    .line 48
    invoke-static {v0}, Lorg/spongycastle/crypto/tls/TlsProtocol;->assertEmpty(Ljava/io/ByteArrayInputStream;)V

    .line 50
    return-object v1
.end method

.method public static readSRPParameter(Ljava/io/InputStream;)Ljava/math/BigInteger;
    .registers 4

    .prologue
    .line 55
    new-instance v0, Ljava/math/BigInteger;

    const/4 v1, 0x1

    invoke-static {p0}, Lorg/spongycastle/crypto/tls/TlsUtils;->readOpaque16(Ljava/io/InputStream;)[B

    move-result-object v2

    invoke-direct {v0, v1, v2}, Ljava/math/BigInteger;-><init>(I[B)V

    return-object v0
.end method

.method public static writeSRPParameter(Ljava/math/BigInteger;Ljava/io/OutputStream;)V
    .registers 3

    .prologue
    .line 60
    invoke-static {p0}, Lorg/spongycastle/util/BigIntegers;->asUnsignedByteArray(Ljava/math/BigInteger;)[B

    move-result-object v0

    invoke-static {v0, p1}, Lorg/spongycastle/crypto/tls/TlsUtils;->writeOpaque16([BLjava/io/OutputStream;)V

    .line 61
    return-void
.end method