OCBBlockCipher.smali

.class public Lorg/spongycastle/crypto/modes/OCBBlockCipher;
.super Ljava/lang/Object;
.source "OCBBlockCipher.java"

# interfaces
.implements Lorg/spongycastle/crypto/modes/AEADBlockCipher;


# static fields
.field private static final BLOCK_SIZE:I = 0x10


# instance fields
.field private Checksum:[B

.field private KtopInput:[B

.field private L:Ljava/util/Vector;

.field private L_Asterisk:[B

.field private L_Dollar:[B

.field private OffsetHASH:[B

.field private OffsetMAIN:[B

.field private OffsetMAIN_0:[B

.field private Stretch:[B

.field private Sum:[B

.field private forEncryption:Z

.field private hashBlock:[B

.field private hashBlockCount:J

.field private hashBlockPos:I

.field private hashCipher:Lorg/spongycastle/crypto/BlockCipher;

.field private initialAssociatedText:[B

.field private macBlock:[B

.field private macSize:I

.field private mainBlock:[B

.field private mainBlockCount:J

.field private mainBlockPos:I

.field private mainCipher:Lorg/spongycastle/crypto/BlockCipher;


# direct methods
.method public constructor <init>(Lorg/spongycastle/crypto/BlockCipher;Lorg/spongycastle/crypto/BlockCipher;)V
    .registers 5

    .prologue
    const/16 v1, 0x10

    .line 72
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 53
    const/4 v0, 0x0

    iput-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->KtopInput:[B

    .line 54
    const/16 v0, 0x18

    new-array v0, v0, [B

    iput-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Stretch:[B

    .line 55
    new-array v0, v1, [B

    iput-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN_0:[B

    .line 65
    new-array v0, v1, [B

    iput-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN:[B

    .line 73
    if-nez p1, :cond_20

    .line 75
    new-instance v0, Ljava/lang/IllegalArgumentException;

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

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

    throw v0

    .line 77
    :cond_20
    invoke-interface {p1}, Lorg/spongycastle/crypto/BlockCipher;->getBlockSize()I

    move-result v0

    if-eq v0, v1, :cond_2e

    .line 79
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "\'hashCipher\' must have a block size of 16"

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

    throw v0

    .line 82
    :cond_2e
    if-nez p2, :cond_38

    .line 84
    new-instance v0, Ljava/lang/IllegalArgumentException;

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

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

    throw v0

    .line 86
    :cond_38
    invoke-interface {p2}, Lorg/spongycastle/crypto/BlockCipher;->getBlockSize()I

    move-result v0

    if-eq v0, v1, :cond_46

    .line 88
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "\'mainCipher\' must have a block size of 16"

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

    throw v0

    .line 92
    :cond_46
    invoke-interface {p1}, Lorg/spongycastle/crypto/BlockCipher;->getAlgorithmName()Ljava/lang/String;

    move-result-object v0

    invoke-interface {p2}, Lorg/spongycastle/crypto/BlockCipher;->getAlgorithmName()Ljava/lang/String;

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-nez v0, :cond_5c

    .line 94
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "\'hashCipher\' and \'mainCipher\' must be the same algorithm"

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

    throw v0

    .line 98
    :cond_5c
    iput-object p1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashCipher:Lorg/spongycastle/crypto/BlockCipher;

    .line 99
    iput-object p2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainCipher:Lorg/spongycastle/crypto/BlockCipher;

    .line 100
    return-void
.end method

.method protected static OCB_double([B)[B
    .registers 6

    .prologue
    .line 542
    const/16 v0, 0x10

    new-array v0, v0, [B

    .line 543
    invoke-static {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->shiftLeft([B[B)I

    move-result v1

    .line 548
    const/16 v2, 0xf

    aget-byte v3, v0, v2

    const/16 v4, 0x87

    rsub-int/lit8 v1, v1, 0x1

    shl-int/lit8 v1, v1, 0x3

    ushr-int v1, v4, v1

    xor-int/2addr v1, v3

    int-to-byte v1, v1

    aput-byte v1, v0, v2

    .line 550
    return-object v0
.end method

.method protected static OCB_extend([BI)V
    .registers 3

    .prologue
    .line 555
    const/16 v0, -0x80

    aput-byte v0, p0, p1

    .line 556
    :goto_4
    add-int/lit8 p1, p1, 0x1

    const/16 v0, 0x10

    if-ge p1, v0, :cond_e

    .line 558
    const/4 v0, 0x0

    aput-byte v0, p0, p1

    goto :goto_4

    .line 560
    :cond_e
    return-void
.end method

.method protected static OCB_ntz(J)I
    .registers 8

    .prologue
    const-wide/16 v4, 0x0

    .line 564
    cmp-long v0, p0, v4

    if-nez v0, :cond_9

    .line 566
    const/16 v0, 0x40

    .line 575
    :cond_8
    return v0

    .line 569
    :cond_9
    const/4 v0, 0x0

    .line 570
    :goto_a
    const-wide/16 v2, 0x1

    and-long/2addr v2, p0

    cmp-long v1, v2, v4

    if-nez v1, :cond_8

    .line 572
    add-int/lit8 v0, v0, 0x1

    .line 573
    const/4 v1, 0x1

    ushr-long/2addr p0, v1

    goto :goto_a
.end method

.method protected static shiftLeft([B[B)I
    .registers 6

    .prologue
    .line 580
    const/16 v1, 0x10

    .line 581
    const/4 v0, 0x0

    .line 582
    :goto_3
    add-int/lit8 v1, v1, -0x1

    if-ltz v1, :cond_16

    .line 584
    aget-byte v2, p0, v1

    and-int/lit16 v2, v2, 0xff

    .line 585
    shl-int/lit8 v3, v2, 0x1

    or-int/2addr v0, v3

    int-to-byte v0, v0

    aput-byte v0, p1, v1

    .line 586
    ushr-int/lit8 v0, v2, 0x7

    and-int/lit8 v0, v0, 0x1

    .line 587
    goto :goto_3

    .line 588
    :cond_16
    return v0
.end method

.method protected static xor([B[B)V
    .registers 5

    .prologue
    .line 593
    const/16 v0, 0xf

    :goto_2
    if-ltz v0, :cond_f

    .line 595
    aget-byte v1, p0, v0

    aget-byte v2, p1, v0

    xor-int/2addr v1, v2

    int-to-byte v1, v1

    aput-byte v1, p0, v0

    .line 593
    add-int/lit8 v0, v0, -0x1

    goto :goto_2

    .line 597
    :cond_f
    return-void
.end method


# virtual methods
.method protected clear([B)V
    .registers 3

    .prologue
    .line 445
    if-eqz p1, :cond_6

    .line 447
    const/4 v0, 0x0

    invoke-static {p1, v0}, Lorg/spongycastle/util/Arrays;->fill([BB)V

    .line 449
    :cond_6
    return-void
.end method

.method public doFinal([BI)I
    .registers 8

    .prologue
    const/4 v4, 0x0

    .line 346
    const/4 v0, 0x0

    .line 347
    iget-boolean v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    if-nez v1, :cond_28

    .line 349
    iget v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    if-ge v0, v1, :cond_14

    .line 351
    new-instance v0, Lorg/spongycastle/crypto/InvalidCipherTextException;

    const-string v1, "data too short"

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/InvalidCipherTextException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 353
    :cond_14
    iget v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    sub-int/2addr v0, v1

    iput v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    .line 354
    iget v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    new-array v0, v0, [B

    .line 355
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    iget v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    invoke-static {v1, v2, v0, v4, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 361
    :cond_28
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    if-lez v1, :cond_38

    .line 363
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    invoke-static {v1, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OCB_extend([BI)V

    .line 364
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L_Asterisk:[B

    invoke-virtual {p0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->updateHASH([B)V

    .line 370
    :cond_38
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    if-lez v1, :cond_8c

    .line 372
    iget-boolean v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    if-eqz v1, :cond_4e

    .line 374
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    invoke-static {v1, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OCB_extend([BI)V

    .line 375
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    invoke-static {v1, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 378
    :cond_4e
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L_Asterisk:[B

    invoke-static {v1, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 380
    const/16 v1, 0x10

    new-array v1, v1, [B

    .line 381
    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashCipher:Lorg/spongycastle/crypto/BlockCipher;

    iget-object v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN:[B

    invoke-interface {v2, v3, v4, v1, v4}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 383
    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    invoke-static {v2, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 385
    array-length v1, p1

    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    add-int/2addr v2, p2

    if-ge v1, v2, :cond_73

    .line 387
    new-instance v0, Lorg/spongycastle/crypto/OutputLengthException;

    const-string v1, "Output buffer too short"

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/OutputLengthException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 389
    :cond_73
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    invoke-static {v1, v4, p1, p2, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 391
    iget-boolean v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    if-nez v1, :cond_8c

    .line 393
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    invoke-static {v1, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OCB_extend([BI)V

    .line 394
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    invoke-static {v1, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 401
    :cond_8c
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN:[B

    invoke-static {v1, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 402
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L_Dollar:[B

    invoke-static {v1, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 403
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashCipher:Lorg/spongycastle/crypto/BlockCipher;

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    iget-object v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    invoke-interface {v1, v2, v4, v3, v4}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 404
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Sum:[B

    invoke-static {v1, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 406
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    new-array v1, v1, [B

    iput-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macBlock:[B

    .line 407
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macBlock:[B

    iget v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    invoke-static {v1, v4, v2, v4, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 412
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    .line 414
    iget-boolean v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    if-eqz v2, :cond_df

    .line 416
    array-length v0, p1

    add-int v2, p2, v1

    iget v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    add-int/2addr v2, v3

    if-ge v0, v2, :cond_cf

    .line 418
    new-instance v0, Lorg/spongycastle/crypto/OutputLengthException;

    const-string v1, "Output buffer too short"

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/OutputLengthException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 421
    :cond_cf
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macBlock:[B

    add-int v2, p2, v1

    iget v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

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

    .line 422
    iget v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    add-int/2addr v0, v1

    .line 433
    :goto_db
    invoke-virtual {p0, v4}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->reset(Z)V

    .line 435
    return v0

    .line 427
    :cond_df
    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macBlock:[B

    invoke-static {v2, v0}, Lorg/spongycastle/util/Arrays;->constantTimeAreEqual([B[B)Z

    move-result v0

    if-nez v0, :cond_ef

    .line 429
    new-instance v0, Lorg/spongycastle/crypto/InvalidCipherTextException;

    const-string v1, "mac check in OCB failed"

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/InvalidCipherTextException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_ef
    move v0, v1

    goto :goto_db
.end method

.method public getAlgorithmName()Ljava/lang/String;
    .registers 3

    .prologue
    .line 109
    new-instance v0, Ljava/lang/StringBuilder;

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

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainCipher:Lorg/spongycastle/crypto/BlockCipher;

    invoke-interface {v1}, Lorg/spongycastle/crypto/BlockCipher;->getAlgorithmName()Ljava/lang/String;

    move-result-object v1

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

    move-result-object v0

    const-string v1, "/OCB"

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

    move-result-object v0

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

    move-result-object v0

    return-object v0
.end method

.method protected getLSub(I)[B
    .registers 4

    .prologue
    .line 453
    :goto_0
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L:Ljava/util/Vector;

    invoke-virtual {v0}, Ljava/util/Vector;->size()I

    move-result v0

    if-lt p1, v0, :cond_1a

    .line 455
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L:Ljava/util/Vector;

    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L:Ljava/util/Vector;

    invoke-virtual {v0}, Ljava/util/Vector;->lastElement()Ljava/lang/Object;

    move-result-object v0

    check-cast v0, [B

    invoke-static {v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OCB_double([B)[B

    move-result-object v0

    invoke-virtual {v1, v0}, Ljava/util/Vector;->addElement(Ljava/lang/Object;)V

    goto :goto_0

    .line 457
    :cond_1a
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L:Ljava/util/Vector;

    invoke-virtual {v0, p1}, Ljava/util/Vector;->elementAt(I)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, [B

    return-object v0
.end method

.method public getMac()[B
    .registers 2

    .prologue
    .line 257
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macBlock:[B

    invoke-static {v0}, Lorg/spongycastle/util/Arrays;->clone([B)[B

    move-result-object v0

    return-object v0
.end method

.method public getOutputSize(I)I
    .registers 4

    .prologue
    .line 262
    iget v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    add-int/2addr v0, p1

    .line 263
    iget-boolean v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    if-eqz v1, :cond_b

    .line 265
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    add-int/2addr v0, v1

    .line 267
    :goto_a
    return v0

    :cond_b
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    if-ge v0, v1, :cond_11

    const/4 v0, 0x0

    goto :goto_a

    :cond_11
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    sub-int/2addr v0, v1

    goto :goto_a
.end method

.method public getUnderlyingCipher()Lorg/spongycastle/crypto/BlockCipher;
    .registers 2

    .prologue
    .line 104
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainCipher:Lorg/spongycastle/crypto/BlockCipher;

    return-object v0
.end method

.method public getUpdateOutputSize(I)I
    .registers 4

    .prologue
    .line 272
    iget v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    add-int/2addr v0, p1

    .line 273
    iget-boolean v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    if-nez v1, :cond_10

    .line 275
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    if-ge v0, v1, :cond_d

    .line 277
    const/4 v0, 0x0

    .line 281
    :goto_c
    return v0

    .line 279
    :cond_d
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    sub-int/2addr v0, v1

    .line 281
    :cond_10
    rem-int/lit8 v1, v0, 0x10

    sub-int/2addr v0, v1

    goto :goto_c
.end method

.method public init(ZLorg/spongycastle/crypto/CipherParameters;)V
    .registers 16

    .prologue
    const-wide/16 v10, 0x0

    const/4 v7, 0x0

    const/16 v3, 0x10

    const/4 v4, 0x0

    .line 115
    iget-boolean v5, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    .line 116
    iput-boolean p1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    .line 117
    iput-object v7, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macBlock:[B

    .line 122
    instance-of v0, p2, Lorg/spongycastle/crypto/params/AEADParameters;

    if-eqz v0, :cond_65

    .line 124
    check-cast p2, Lorg/spongycastle/crypto/params/AEADParameters;

    .line 126
    invoke-virtual {p2}, Lorg/spongycastle/crypto/params/AEADParameters;->getNonce()[B

    move-result-object v0

    .line 127
    invoke-virtual {p2}, Lorg/spongycastle/crypto/params/AEADParameters;->getAssociatedText()[B

    move-result-object v1

    iput-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->initialAssociatedText:[B

    .line 129
    invoke-virtual {p2}, Lorg/spongycastle/crypto/params/AEADParameters;->getMacSize()I

    move-result v1

    .line 130
    const/16 v2, 0x40

    if-lt v1, v2, :cond_2c

    const/16 v2, 0x80

    if-gt v1, v2, :cond_2c

    rem-int/lit8 v2, v1, 0x8

    if-eqz v2, :cond_41

    .line 132
    :cond_2c
    new-instance v0, Ljava/lang/IllegalArgumentException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Invalid value for MAC size: "

    invoke-direct {v2, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(I)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/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 135
    :cond_41
    div-int/lit8 v1, v1, 0x8

    iput v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    .line 136
    invoke-virtual {p2}, Lorg/spongycastle/crypto/params/AEADParameters;->getKey()Lorg/spongycastle/crypto/params/KeyParameter;

    move-result-object v1

    .line 152
    :goto_49
    new-array v2, v3, [B

    iput-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    .line 153
    if-eqz p1, :cond_85

    move v2, v3

    :goto_50
    new-array v2, v2, [B

    iput-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    .line 155
    if-nez v0, :cond_58

    .line 157
    new-array v0, v4, [B

    .line 160
    :cond_58
    array-length v2, v0

    const/16 v6, 0xf

    if-le v2, v6, :cond_8a

    .line 162
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "IV must be no more than 15 bytes"

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

    throw v0

    .line 138
    :cond_65
    instance-of v0, p2, Lorg/spongycastle/crypto/params/ParametersWithIV;

    if-eqz v0, :cond_7d

    .line 140
    check-cast p2, Lorg/spongycastle/crypto/params/ParametersWithIV;

    .line 142
    invoke-virtual {p2}, Lorg/spongycastle/crypto/params/ParametersWithIV;->getIV()[B

    move-result-object v1

    .line 143
    iput-object v7, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->initialAssociatedText:[B

    .line 144
    iput v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    .line 145
    invoke-virtual {p2}, Lorg/spongycastle/crypto/params/ParametersWithIV;->getParameters()Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v0

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

    move-object v12, v1

    move-object v1, v0

    move-object v0, v12

    .line 146
    goto :goto_49

    .line 149
    :cond_7d
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "invalid parameters passed to OCB"

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

    throw v0

    .line 153
    :cond_85
    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    add-int/lit8 v2, v2, 0x10

    goto :goto_50

    .line 169
    :cond_8a
    if-eqz v1, :cond_f9

    .line 172
    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashCipher:Lorg/spongycastle/crypto/BlockCipher;

    const/4 v5, 0x1

    invoke-interface {v2, v5, v1}, Lorg/spongycastle/crypto/BlockCipher;->init(ZLorg/spongycastle/crypto/CipherParameters;)V

    .line 173
    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainCipher:Lorg/spongycastle/crypto/BlockCipher;

    invoke-interface {v2, p1, v1}, Lorg/spongycastle/crypto/BlockCipher;->init(ZLorg/spongycastle/crypto/CipherParameters;)V

    .line 174
    iput-object v7, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->KtopInput:[B

    .line 181
    :cond_99
    new-array v1, v3, [B

    iput-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L_Asterisk:[B

    .line 182
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashCipher:Lorg/spongycastle/crypto/BlockCipher;

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L_Asterisk:[B

    iget-object v5, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L_Asterisk:[B

    invoke-interface {v1, v2, v4, v5, v4}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 184
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L_Asterisk:[B

    invoke-static {v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OCB_double([B)[B

    move-result-object v1

    iput-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L_Dollar:[B

    .line 186
    new-instance v1, Ljava/util/Vector;

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

    iput-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L:Ljava/util/Vector;

    .line 187
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L:Ljava/util/Vector;

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->L_Dollar:[B

    invoke-static {v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OCB_double([B)[B

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/util/Vector;->addElement(Ljava/lang/Object;)V

    .line 193
    invoke-virtual {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->processNonce([B)I

    move-result v0

    .line 195
    rem-int/lit8 v2, v0, 0x8

    div-int/lit8 v0, v0, 0x8

    .line 196
    if-nez v2, :cond_103

    .line 198
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Stretch:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN_0:[B

    invoke-static {v1, v0, v2, v4, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 210
    :cond_d1
    iput v4, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    .line 211
    iput v4, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    .line 213
    iput-wide v10, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockCount:J

    .line 214
    iput-wide v10, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockCount:J

    .line 216
    new-array v0, v3, [B

    iput-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetHASH:[B

    .line 217
    new-array v0, v3, [B

    iput-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Sum:[B

    .line 218
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN_0:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN:[B

    invoke-static {v0, v4, v1, v4, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 219
    new-array v0, v3, [B

    iput-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    .line 221
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->initialAssociatedText:[B

    if-eqz v0, :cond_f8

    .line 223
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->initialAssociatedText:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->initialAssociatedText:[B

    array-length v1, v1

    invoke-virtual {p0, v0, v4, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->processAADBytes([BII)V

    .line 225
    :cond_f8
    return-void

    .line 176
    :cond_f9
    if-eq v5, p1, :cond_99

    .line 178
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "cannot change encrypting state without providing key."

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

    throw v0

    :cond_103
    move v1, v0

    move v0, v4

    .line 202
    :goto_105
    if-ge v0, v3, :cond_d1

    .line 204
    iget-object v5, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Stretch:[B

    aget-byte v5, v5, v1

    and-int/lit16 v5, v5, 0xff

    .line 205
    iget-object v6, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Stretch:[B

    add-int/lit8 v1, v1, 0x1

    aget-byte v6, v6, v1

    and-int/lit16 v6, v6, 0xff

    .line 206
    iget-object v7, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN_0:[B

    shl-int/2addr v5, v2

    rsub-int/lit8 v8, v2, 0x8

    ushr-int/2addr v6, v8

    or-int/2addr v5, v6

    int-to-byte v5, v5

    aput-byte v5, v7, v0

    .line 202
    add-int/lit8 v0, v0, 0x1

    goto :goto_105
.end method

.method public processAADByte(B)V
    .registers 4

    .prologue
    .line 286
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    aput-byte p1, v0, v1

    .line 287
    iget v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    add-int/lit8 v0, v0, 0x1

    iput v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    array-length v1, v1

    if-ne v0, v1, :cond_14

    .line 289
    invoke-virtual {p0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->processHashBlock()V

    .line 291
    :cond_14
    return-void
.end method

.method public processAADBytes([BII)V
    .registers 8

    .prologue
    .line 295
    const/4 v0, 0x0

    :goto_1
    if-ge v0, p3, :cond_1e

    .line 297
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    add-int v3, p2, v0

    aget-byte v3, p1, v3

    aput-byte v3, v1, v2

    .line 298
    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    add-int/lit8 v1, v1, 0x1

    iput v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    array-length v2, v2

    if-ne v1, v2, :cond_1b

    .line 300
    invoke-virtual {p0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->processHashBlock()V

    .line 295
    :cond_1b
    add-int/lit8 v0, v0, 0x1

    goto :goto_1

    .line 303
    :cond_1e
    return-void
.end method

.method public processByte(B[BI)I
    .registers 6

    .prologue
    .line 308
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    aput-byte p1, v0, v1

    .line 309
    iget v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    add-int/lit8 v0, v0, 0x1

    iput v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    array-length v1, v1

    if-ne v0, v1, :cond_17

    .line 311
    invoke-virtual {p0, p2, p3}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->processMainBlock([BI)V

    .line 312
    const/16 v0, 0x10

    .line 314
    :goto_16
    return v0

    :cond_17
    const/4 v0, 0x0

    goto :goto_16
.end method

.method public processBytes([BII[BI)I
    .registers 11

    .prologue
    const/4 v0, 0x0

    .line 320
    array-length v1, p1

    add-int v2, p2, p3

    if-ge v1, v2, :cond_e

    .line 322
    new-instance v0, Lorg/spongycastle/crypto/DataLengthException;

    const-string v1, "Input buffer too short"

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/DataLengthException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_e
    move v1, v0

    .line 326
    :goto_f
    if-ge v1, p3, :cond_30

    .line 328
    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    add-int v4, p2, v1

    aget-byte v4, p1, v4

    aput-byte v4, v2, v3

    .line 329
    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    add-int/lit8 v2, v2, 0x1

    iput v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    iget-object v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    array-length v3, v3

    if-ne v2, v3, :cond_2d

    .line 331
    add-int v2, p5, v0

    invoke-virtual {p0, p4, v2}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->processMainBlock([BI)V

    .line 332
    add-int/lit8 v0, v0, 0x10

    .line 326
    :cond_2d
    add-int/lit8 v1, v1, 0x1

    goto :goto_f

    .line 336
    :cond_30
    return v0
.end method

.method protected processHashBlock()V
    .registers 5

    .prologue
    .line 465
    iget-wide v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockCount:J

    const-wide/16 v2, 0x1

    add-long/2addr v0, v2

    iput-wide v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockCount:J

    invoke-static {v0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OCB_ntz(J)I

    move-result v0

    invoke-virtual {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->getLSub(I)[B

    move-result-object v0

    invoke-virtual {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->updateHASH([B)V

    .line 466
    const/4 v0, 0x0

    iput v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    .line 467
    return-void
.end method

.method protected processMainBlock([BI)V
    .registers 11

    .prologue
    const/16 v7, 0x10

    const/4 v6, 0x0

    .line 471
    array-length v0, p1

    add-int/lit8 v1, p2, 0x10

    if-ge v0, v1, :cond_10

    .line 473
    new-instance v0, Lorg/spongycastle/crypto/OutputLengthException;

    const-string v1, "Output buffer too short"

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/OutputLengthException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 480
    :cond_10
    iget-boolean v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    if-eqz v0, :cond_1d

    .line 482
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    invoke-static {v0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 483
    iput v6, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    .line 486
    :cond_1d
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN:[B

    iget-wide v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockCount:J

    const-wide/16 v4, 0x1

    add-long/2addr v2, v4

    iput-wide v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockCount:J

    invoke-static {v2, v3}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OCB_ntz(J)I

    move-result v1

    invoke-virtual {p0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->getLSub(I)[B

    move-result-object v1

    invoke-static {v0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 488
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN:[B

    invoke-static {v0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 489
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainCipher:Lorg/spongycastle/crypto/BlockCipher;

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    invoke-interface {v0, v1, v6, v2, v6}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 490
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN:[B

    invoke-static {v0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 492
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    invoke-static {v0, v6, p1, p2, v7}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 494
    iget-boolean v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->forEncryption:Z

    if-nez v0, :cond_65

    .line 496
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    invoke-static {v0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 497
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    invoke-static {v0, v7, v1, v6, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 498
    iget v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    iput v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    .line 500
    :cond_65
    return-void
.end method

.method protected processNonce([B)I
    .registers 9

    .prologue
    const/16 v4, 0xf

    const/16 v5, 0x10

    const/4 v0, 0x0

    .line 229
    new-array v1, v5, [B

    .line 230
    array-length v2, p1

    rsub-int/lit8 v2, v2, 0x10

    array-length v3, p1

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

    .line 231
    iget v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macSize:I

    shl-int/lit8 v2, v2, 0x4

    int-to-byte v2, v2

    aput-byte v2, v1, v0

    .line 232
    array-length v2, p1

    rsub-int/lit8 v2, v2, 0xf

    aget-byte v3, v1, v2

    or-int/lit8 v3, v3, 0x1

    int-to-byte v3, v3

    aput-byte v3, v1, v2

    .line 234
    aget-byte v2, v1, v4

    and-int/lit8 v2, v2, 0x3f

    .line 235
    aget-byte v3, v1, v4

    and-int/lit16 v3, v3, 0xc0

    int-to-byte v3, v3

    aput-byte v3, v1, v4

    .line 240
    iget-object v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->KtopInput:[B

    if-eqz v3, :cond_36

    iget-object v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->KtopInput:[B

    invoke-static {v1, v3}, Lorg/spongycastle/util/Arrays;->areEqual([B[B)Z

    move-result v3

    if-nez v3, :cond_5b

    .line 242
    :cond_36
    new-array v3, v5, [B

    .line 243
    iput-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->KtopInput:[B

    .line 244
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashCipher:Lorg/spongycastle/crypto/BlockCipher;

    iget-object v4, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->KtopInput:[B

    invoke-interface {v1, v4, v0, v3, v0}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 245
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Stretch:[B

    invoke-static {v3, v0, v1, v0, v5}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 246
    :goto_46
    const/16 v1, 0x8

    if-ge v0, v1, :cond_5b

    .line 248
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Stretch:[B

    add-int/lit8 v4, v0, 0x10

    aget-byte v5, v3, v0

    add-int/lit8 v6, v0, 0x1

    aget-byte v6, v3, v6

    xor-int/2addr v5, v6

    int-to-byte v5, v5

    aput-byte v5, v1, v4

    .line 246
    add-int/lit8 v0, v0, 0x1

    goto :goto_46

    .line 252
    :cond_5b
    return v2
.end method

.method public reset()V
    .registers 2

    .prologue
    .line 440
    const/4 v0, 0x1

    invoke-virtual {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->reset(Z)V

    .line 441
    return-void
.end method

.method protected reset(Z)V
    .registers 8

    .prologue
    const-wide/16 v4, 0x0

    const/4 v3, 0x0

    .line 504
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashCipher:Lorg/spongycastle/crypto/BlockCipher;

    invoke-interface {v0}, Lorg/spongycastle/crypto/BlockCipher;->reset()V

    .line 505
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainCipher:Lorg/spongycastle/crypto/BlockCipher;

    invoke-interface {v0}, Lorg/spongycastle/crypto/BlockCipher;->reset()V

    .line 507
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    invoke-virtual {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->clear([B)V

    .line 508
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlock:[B

    invoke-virtual {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->clear([B)V

    .line 510
    iput v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockPos:I

    .line 511
    iput v3, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockPos:I

    .line 513
    iput-wide v4, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlockCount:J

    .line 514
    iput-wide v4, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->mainBlockCount:J

    .line 516
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetHASH:[B

    invoke-virtual {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->clear([B)V

    .line 517
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Sum:[B

    invoke-virtual {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->clear([B)V

    .line 518
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN_0:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetMAIN:[B

    const/16 v2, 0x10

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

    .line 519
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Checksum:[B

    invoke-virtual {p0, v0}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->clear([B)V

    .line 521
    if-eqz p1, :cond_3c

    .line 523
    const/4 v0, 0x0

    iput-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->macBlock:[B

    .line 526
    :cond_3c
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->initialAssociatedText:[B

    if-eqz v0, :cond_48

    .line 528
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->initialAssociatedText:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->initialAssociatedText:[B

    array-length v1, v1

    invoke-virtual {p0, v0, v3, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->processAADBytes([BII)V

    .line 530
    :cond_48
    return-void
.end method

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

    .prologue
    const/4 v3, 0x0

    .line 534
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetHASH:[B

    invoke-static {v0, p1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 535
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->OffsetHASH:[B

    invoke-static {v0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 536
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashCipher:Lorg/spongycastle/crypto/BlockCipher;

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    iget-object v2, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    invoke-interface {v0, v1, v3, v2, v3}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 537
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->Sum:[B

    iget-object v1, p0, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->hashBlock:[B

    invoke-static {v0, v1}, Lorg/spongycastle/crypto/modes/OCBBlockCipher;->xor([B[B)V

    .line 538
    return-void
.end method