.class Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;
.super Ljava/lang/Object;
.source "NTLMEngineImpl.java"


# annotations
.annotation system Ldalvik/annotation/EnclosingClass;
    value = Lorg/apache/http/impl/auth/NTLMEngineImpl;
.end annotation

.annotation system Ldalvik/annotation/InnerClass;
    accessFlags = 0x8
    name = "Handle"
.end annotation


# instance fields
.field private final exportedSessionKey:[B

.field private final isConnection:Z

.field final mode:Lorg/apache/http/impl/auth/NTLMEngineImpl$Mode;

.field private final rc4:Ljavax/crypto/Cipher;

.field private sealingKey:[B

.field sequenceNumber:I

.field private signingKey:[B


# direct methods
.method constructor <init>([BLorg/apache/http/impl/auth/NTLMEngineImpl$Mode;Z)V
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/http/impl/auth/NTLMEngineException;
        }
    .end annotation

    .line 780
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    const/4 v0, 0x0

    .line 775
    iput v0, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sequenceNumber:I

    .line 781
    iput-object p1, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->exportedSessionKey:[B

    .line 782
    iput-boolean p3, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->isConnection:Z

    .line 783
    iput-object p2, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->mode:Lorg/apache/http/impl/auth/NTLMEngineImpl$Mode;

    .line 786
    :try_start_c
    invoke-static {}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->getMD5()Ljava/security/MessageDigest;

    move-result-object p3

    .line 787
    invoke-static {}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->getMD5()Ljava/security/MessageDigest;

    move-result-object v0

    .line 788
    invoke-virtual {p3, p1}, Ljava/security/MessageDigest;->update([B)V

    .line 789
    invoke-virtual {v0, p1}, Ljava/security/MessageDigest;->update([B)V

    .line 790
    sget-object p1, Lorg/apache/http/impl/auth/NTLMEngineImpl$Mode;->CLIENT:Lorg/apache/http/impl/auth/NTLMEngineImpl$Mode;

    if-ne p2, p1, :cond_2d

    .line 792
    # getter for: Lorg/apache/http/impl/auth/NTLMEngineImpl;->SIGN_MAGIC_CLIENT:[B
    invoke-static {}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->access$1100()[B

    move-result-object p1

    invoke-virtual {p3, p1}, Ljava/security/MessageDigest;->update([B)V

    .line 793
    # getter for: Lorg/apache/http/impl/auth/NTLMEngineImpl;->SEAL_MAGIC_CLIENT:[B
    invoke-static {}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->access$1200()[B

    move-result-object p1

    invoke-virtual {v0, p1}, Ljava/security/MessageDigest;->update([B)V

    goto :goto_3b

    .line 797
    :cond_2d
    # getter for: Lorg/apache/http/impl/auth/NTLMEngineImpl;->SIGN_MAGIC_SERVER:[B
    invoke-static {}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->access$1300()[B

    move-result-object p1

    invoke-virtual {p3, p1}, Ljava/security/MessageDigest;->update([B)V

    .line 798
    # getter for: Lorg/apache/http/impl/auth/NTLMEngineImpl;->SEAL_MAGIC_SERVER:[B
    invoke-static {}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->access$1400()[B

    move-result-object p1

    invoke-virtual {v0, p1}, Ljava/security/MessageDigest;->update([B)V

    .line 800
    :goto_3b
    invoke-virtual {p3}, Ljava/security/MessageDigest;->digest()[B

    move-result-object p1

    iput-object p1, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->signingKey:[B

    .line 801
    invoke-virtual {v0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object p1

    iput-object p1, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sealingKey:[B
    :try_end_47
    .catch Ljava/lang/Exception; {:try_start_c .. :try_end_47} :catch_4e

    .line 807
    invoke-direct {p0}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->initCipher()Ljavax/crypto/Cipher;

    move-result-object p1

    iput-object p1, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->rc4:Ljavax/crypto/Cipher;

    return-void

    :catch_4e
    move-exception p1

    .line 805
    new-instance p2, Lorg/apache/http/impl/auth/NTLMEngineException;

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

    move-result-object p3

    invoke-direct {p2, p3, p1}, Lorg/apache/http/impl/auth/NTLMEngineException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw p2
.end method

.method private advanceMessageSequence()V
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/http/impl/auth/NTLMEngineException;
        }
    .end annotation

    .line 846
    iget-boolean v0, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->isConnection:Z

    if-nez v0, :cond_22

    .line 848
    invoke-static {}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->getMD5()Ljava/security/MessageDigest;

    move-result-object v0

    .line 849
    iget-object v1, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sealingKey:[B

    invoke-virtual {v0, v1}, Ljava/security/MessageDigest;->update([B)V

    const/4 v1, 0x4

    .line 850
    new-array v1, v1, [B

    .line 851
    iget v2, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sequenceNumber:I

    const/4 v3, 0x0

    invoke-static {v1, v2, v3}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->writeULong([BII)V

    .line 852
    invoke-virtual {v0, v1}, Ljava/security/MessageDigest;->update([B)V

    .line 853
    invoke-virtual {v0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object v0

    iput-object v0, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sealingKey:[B

    .line 854
    invoke-direct {p0}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->initCipher()Ljavax/crypto/Cipher;

    .line 856
    :cond_22
    iget v0, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sequenceNumber:I

    add-int/lit8 v0, v0, 0x1

    iput v0, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sequenceNumber:I

    return-void
.end method

.method private computeSignature([B)[B
    .registers 6
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/http/impl/auth/NTLMEngineException;
        }
    .end annotation

    const/16 v0, 0x10

    .line 871
    new-array v0, v0, [B

    const/4 v1, 0x0

    const/4 v2, 0x1

    .line 874
    aput-byte v2, v0, v1

    .line 875
    aput-byte v1, v0, v2

    const/4 v2, 0x2

    .line 876
    aput-byte v1, v0, v2

    const/4 v2, 0x3

    .line 877
    aput-byte v1, v0, v2

    .line 880
    new-instance v2, Lorg/apache/http/impl/auth/NTLMEngineImpl$HMACMD5;

    iget-object v3, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->signingKey:[B

    invoke-direct {v2, v3}, Lorg/apache/http/impl/auth/NTLMEngineImpl$HMACMD5;-><init>([B)V

    .line 881
    iget v3, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sequenceNumber:I

    # invokes: Lorg/apache/http/impl/auth/NTLMEngineImpl;->encodeLong(I)[B
    invoke-static {v3}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->access$1500(I)[B

    move-result-object v3

    invoke-virtual {v2, v3}, Lorg/apache/http/impl/auth/NTLMEngineImpl$HMACMD5;->update([B)V

    .line 882
    invoke-virtual {v2, p1}, Lorg/apache/http/impl/auth/NTLMEngineImpl$HMACMD5;->update([B)V

    .line 883
    invoke-virtual {v2}, Lorg/apache/http/impl/auth/NTLMEngineImpl$HMACMD5;->getOutput()[B

    move-result-object p1

    const/16 v2, 0x8

    .line 884
    new-array v3, v2, [B

    .line 885
    invoke-static {p1, v1, v3, v1, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 886
    invoke-direct {p0, v3}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->encrypt([B)[B

    move-result-object p1

    const/4 v3, 0x4

    .line 887
    invoke-static {p1, v1, v0, v3, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    const/16 p1, 0xc

    .line 890
    iget v1, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sequenceNumber:I

    # invokes: Lorg/apache/http/impl/auth/NTLMEngineImpl;->encodeLong([BII)V
    invoke-static {v0, p1, v1}, Lorg/apache/http/impl/auth/NTLMEngineImpl;->access$1600([BII)V

    return-object v0
.end method

.method private decrypt([B)[B
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/http/impl/auth/NTLMEngineException;
        }
    .end annotation

    .line 866
    iget-object v0, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->rc4:Ljavax/crypto/Cipher;

    invoke-virtual {v0, p1}, Ljavax/crypto/Cipher;->update([B)[B

    move-result-object p1

    return-object p1
.end method

.method private encrypt([B)[B
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/http/impl/auth/NTLMEngineException;
        }
    .end annotation

    .line 861
    iget-object v0, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->rc4:Ljavax/crypto/Cipher;

    invoke-virtual {v0, p1}, Ljavax/crypto/Cipher;->update([B)[B

    move-result-object p1

    return-object p1
.end method

.method private initCipher()Ljavax/crypto/Cipher;
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/http/impl/auth/NTLMEngineException;
        }
    .end annotation

    .line 826
    const-string v0, "RC4"

    :try_start_2
    invoke-static {v0}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v1

    .line 827
    iget-object v2, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->mode:Lorg/apache/http/impl/auth/NTLMEngineImpl$Mode;

    sget-object v3, Lorg/apache/http/impl/auth/NTLMEngineImpl$Mode;->CLIENT:Lorg/apache/http/impl/auth/NTLMEngineImpl$Mode;

    if-ne v2, v3, :cond_18

    .line 829
    new-instance v2, Ljavax/crypto/spec/SecretKeySpec;

    iget-object v3, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sealingKey:[B

    invoke-direct {v2, v3, v0}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    const/4 v0, 0x1

    invoke-virtual {v1, v0, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    goto :goto_23

    .line 833
    :cond_18
    new-instance v2, Ljavax/crypto/spec/SecretKeySpec;

    iget-object v3, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sealingKey:[B

    invoke-direct {v2, v3, v0}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    const/4 v0, 0x2

    invoke-virtual {v1, v0, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V
    :try_end_23
    .catch Ljava/lang/Exception; {:try_start_2 .. :try_end_23} :catch_24

    :goto_23
    return-object v1

    :catch_24
    move-exception v0

    .line 838
    new-instance v1, Lorg/apache/http/impl/auth/NTLMEngineException;

    invoke-virtual {v0}, Ljava/lang/Exception;->getMessage()Ljava/lang/String;

    move-result-object v2

    invoke-direct {v1, v2, v0}, Lorg/apache/http/impl/auth/NTLMEngineException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v1
.end method

.method private validateSignature([B[B)Z
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/http/impl/auth/NTLMEngineException;
        }
    .end annotation

    .line 897
    invoke-direct {p0, p2}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->computeSignature([B)[B

    move-result-object p2

    .line 901
    invoke-static {p1, p2}, Ljava/util/Arrays;->equals([B[B)Z

    move-result p1

    return p1
.end method


# virtual methods
.method public decryptAndVerifySignedMessage([B)[B
    .registers 7
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/http/impl/auth/NTLMEngineException;
        }
    .end annotation

    const/16 v0, 0x10

    .line 917
    new-array v1, v0, [B

    const/4 v2, 0x0

    .line 918
    invoke-static {p1, v2, v1, v2, v0}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 919
    array-length v3, p1

    sub-int/2addr v3, v0

    new-array v4, v3, [B

    .line 920
    invoke-static {p1, v0, v4, v2, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 921
    invoke-direct {p0, v4}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->decrypt([B)[B

    move-result-object p1

    .line 922
    invoke-direct {p0, v1, p1}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->validateSignature([B[B)Z

    move-result v0

    if-eqz v0, :cond_1d

    .line 926
    invoke-direct {p0}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->advanceMessageSequence()V

    return-object p1

    .line 924
    :cond_1d
    new-instance p1, Lorg/apache/http/impl/auth/NTLMEngineException;

    const-string v0, "Wrong signature"

    invoke-direct {p1, v0}, Lorg/apache/http/impl/auth/NTLMEngineException;-><init>(Ljava/lang/String;)V

    throw p1
.end method

.method public getSealingKey()[B
    .registers 2

    .line 818
    iget-object v0, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->sealingKey:[B

    return-object v0
.end method

.method public getSigningKey()[B
    .registers 2

    .line 812
    iget-object v0, p0, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->signingKey:[B

    return-object v0
.end method

.method public signAndEncryptMessage([B)[B
    .registers 6
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lorg/apache/http/impl/auth/NTLMEngineException;
        }
    .end annotation

    .line 906
    invoke-direct {p0, p1}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->encrypt([B)[B

    move-result-object v0

    .line 907
    invoke-direct {p0, p1}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->computeSignature([B)[B

    move-result-object p1

    .line 908
    array-length v1, p1

    array-length v2, v0

    add-int/2addr v1, v2

    new-array v1, v1, [B

    .line 909
    array-length v2, p1

    const/4 v3, 0x0

    invoke-static {p1, v3, v1, v3, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 910
    array-length p1, p1

    array-length v2, v0

    invoke-static {v0, v3, v1, p1, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 911
    invoke-direct {p0}, Lorg/apache/http/impl/auth/NTLMEngineImpl$Handle;->advanceMessageSequence()V

    return-object v1
.end method