NISTCTSBlockCipher.smali

.class public Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;
.super Lorg/spongycastle/crypto/BufferedBlockCipher;
.source "NISTCTSBlockCipher.java"


# static fields
.field public static final CS1:I = 0x1

.field public static final CS2:I = 0x2

.field public static final CS3:I = 0x3


# instance fields
.field private final blockSize:I

.field private final type:I


# direct methods
.method public constructor <init>(ILorg/spongycastle/crypto/BlockCipher;)V
    .registers 4

    .prologue
    .line 41
    invoke-direct {p0}, Lorg/spongycastle/crypto/BufferedBlockCipher;-><init>()V

    .line 42
    iput p1, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->type:I

    .line 43
    new-instance v0, Lorg/spongycastle/crypto/modes/CBCBlockCipher;

    invoke-direct {v0, p2}, Lorg/spongycastle/crypto/modes/CBCBlockCipher;-><init>(Lorg/spongycastle/crypto/BlockCipher;)V

    iput-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    .line 45
    invoke-interface {p2}, Lorg/spongycastle/crypto/BlockCipher;->getBlockSize()I

    move-result v0

    iput v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->blockSize:I

    .line 47
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->blockSize:I

    shl-int/lit8 v0, v0, 0x1

    new-array v0, v0, [B

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

    .line 48
    const/4 v0, 0x0

    iput v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    .line 49
    return-void
.end method


# virtual methods
.method public doFinal([BI)I
    .registers 12

    .prologue
    const/4 v6, 0x3

    const/4 v7, 0x2

    const/4 v2, 0x0

    .line 205
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    add-int/2addr v0, p2

    array-length v1, p1

    if-le v0, v1, :cond_11

    .line 207
    new-instance v0, Lorg/spongycastle/crypto/DataLengthException;

    const-string v1, "output buffer to small in doFinal"

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

    throw v0

    .line 210
    :cond_11
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

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

    move-result v1

    .line 211
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    sub-int v3, v0, v1

    .line 212
    new-array v4, v1, [B

    .line 214
    iget-boolean v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->forEncryption:Z

    if-eqz v0, :cond_92

    .line 216
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    if-ge v0, v1, :cond_2d

    .line 218
    new-instance v0, Lorg/spongycastle/crypto/DataLengthException;

    const-string v1, "need at least one block of input for NISTCTS"

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

    throw v0

    .line 221
    :cond_2d
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    if-le v0, v1, :cond_87

    .line 223
    new-array v0, v1, [B

    .line 225
    iget v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->type:I

    if-eq v5, v7, :cond_3b

    iget v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->type:I

    if-ne v5, v6, :cond_68

    .line 227
    :cond_3b
    iget-object v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    iget-object v6, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    invoke-interface {v5, v6, v2, v4, v2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 229
    iget-object v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    invoke-static {v5, v1, v0, v2, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 231
    iget-object v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    invoke-interface {v5, v0, v2, v0, v2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 233
    iget v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->type:I

    if-ne v5, v7, :cond_5f

    if-ne v3, v1, :cond_5f

    .line 235
    invoke-static {v4, v2, p1, p2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 237
    add-int/2addr v1, p2

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

    .line 331
    :goto_59
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    .line 333
    invoke-virtual {p0}, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->reset()V

    .line 335
    return v0

    .line 241
    :cond_5f
    invoke-static {v0, v2, p1, p2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 243
    add-int v0, p2, v1

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

    goto :goto_59

    .line 248
    :cond_68
    iget-object v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    invoke-static {v5, v2, v4, v2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 249
    iget-object v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

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

    .line 250
    invoke-static {v4, v2, p1, p2, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 252
    iget-object v4, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    iget v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    sub-int/2addr v5, v3

    invoke-static {v4, v5, v0, v2, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 253
    iget-object v4, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    invoke-interface {v4, v0, v2, v0, v2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 254
    add-int/2addr v3, p2

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

    goto :goto_59

    .line 259
    :cond_87
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

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

    invoke-interface {v0, v3, v2, v4, v2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 261
    invoke-static {v4, v2, p1, p2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    goto :goto_59

    .line 266
    :cond_92
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    if-ge v0, v1, :cond_9e

    .line 268
    new-instance v0, Lorg/spongycastle/crypto/DataLengthException;

    const-string v1, "need at least one block of input for CTS"

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

    throw v0

    .line 271
    :cond_9e
    new-array v5, v1, [B

    .line 273
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    if-le v0, v1, :cond_132

    .line 275
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->type:I

    if-eq v0, v6, :cond_b5

    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->type:I

    if-ne v0, v7, :cond_f7

    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    array-length v0, v0

    iget v6, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    sub-int/2addr v0, v6

    rem-int/2addr v0, v1

    if-eqz v0, :cond_f7

    .line 277
    :cond_b5
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    instance-of v0, v0, Lorg/spongycastle/crypto/modes/CBCBlockCipher;

    if-eqz v0, :cond_de

    .line 279
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    check-cast v0, Lorg/spongycastle/crypto/modes/CBCBlockCipher;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/modes/CBCBlockCipher;->getUnderlyingCipher()Lorg/spongycastle/crypto/BlockCipher;

    move-result-object v0

    .line 281
    iget-object v6, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    invoke-interface {v0, v6, v2, v4, v2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    :goto_c8
    move v0, v1

    .line 288
    :goto_c9
    iget v6, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    if-eq v0, v6, :cond_e6

    .line 290
    sub-int v6, v0, v1

    sub-int v7, v0, v1

    aget-byte v7, v4, v7

    iget-object v8, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    aget-byte v8, v8, v0

    xor-int/2addr v7, v8

    int-to-byte v7, v7

    aput-byte v7, v5, v6

    .line 288
    add-int/lit8 v0, v0, 0x1

    goto :goto_c9

    .line 285
    :cond_de
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    iget-object v6, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    invoke-interface {v0, v6, v2, v4, v2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    goto :goto_c8

    .line 293
    :cond_e6
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

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

    .line 295
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    invoke-interface {v0, v4, v2, p1, p2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 296
    add-int v0, p2, v1

    invoke-static {v5, v2, p1, v0, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    goto/16 :goto_59

    .line 300
    :cond_f7
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    check-cast v0, Lorg/spongycastle/crypto/modes/CBCBlockCipher;

    invoke-virtual {v0}, Lorg/spongycastle/crypto/modes/CBCBlockCipher;->getUnderlyingCipher()Lorg/spongycastle/crypto/BlockCipher;

    move-result-object v0

    .line 302
    iget-object v6, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    iget v7, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    sub-int/2addr v7, v1

    invoke-interface {v0, v6, v7, v5, v2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 304
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

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

    .line 306
    if-eq v3, v1, :cond_113

    .line 308
    sub-int v0, v1, v3

    invoke-static {v5, v3, v4, v3, v0}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 311
    :cond_113
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

    invoke-interface {v0, v4, v2, v4, v2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 313
    invoke-static {v4, v2, p1, p2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    move v0, v2

    .line 315
    :goto_11c
    if-eq v0, v3, :cond_12b

    .line 317
    aget-byte v4, v5, v0

    iget-object v6, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    aget-byte v6, v6, v0

    xor-int/2addr v4, v6

    int-to-byte v4, v4

    aput-byte v4, v5, v0

    .line 315
    add-int/lit8 v0, v0, 0x1

    goto :goto_11c

    .line 320
    :cond_12b
    add-int v0, p2, v1

    invoke-static {v5, v2, p1, v0, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    goto/16 :goto_59

    .line 325
    :cond_132
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

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

    invoke-interface {v0, v3, v2, v4, v2}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    .line 327
    invoke-static {v4, v2, p1, p2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    goto/16 :goto_59
.end method

.method public getOutputSize(I)I
    .registers 3

    .prologue
    .line 84
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    add-int/2addr v0, p1

    return v0
.end method

.method public getUpdateOutputSize(I)I
    .registers 4

    .prologue
    .line 62
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    add-int/2addr v0, p1

    .line 63
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    array-length v1, v1

    rem-int v1, v0, v1

    .line 65
    if-nez v1, :cond_f

    .line 67
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    array-length v1, v1

    sub-int/2addr v0, v1

    .line 70
    :goto_e
    return v0

    :cond_f
    sub-int/2addr v0, v1

    goto :goto_e
.end method

.method public processByte(B[BI)I
    .registers 10

    .prologue
    const/4 v1, 0x0

    .line 103
    .line 105
    iget v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

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

    array-length v2, v2

    if-ne v0, v2, :cond_2a

    .line 107
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

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

    invoke-interface {v0, v2, v1, p2, p3}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    move-result v0

    .line 108
    iget-object v2, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    iget v3, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->blockSize:I

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

    iget v5, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->blockSize:I

    invoke-static {v2, v3, v4, v1, v5}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 110
    iget v1, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->blockSize:I

    iput v1, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    .line 113
    :goto_1f
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    iget v2, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    add-int/lit8 v3, v2, 0x1

    iput v3, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    aput-byte p1, v1, v2

    .line 115
    return v0

    :cond_2a
    move v0, v1

    goto :goto_1f
.end method

.method public processBytes([BII[BI)I
    .registers 12

    .prologue
    const/4 v1, 0x0

    .line 138
    if-gez p3, :cond_b

    .line 140
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "Can\'t have a negative input length!"

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

    throw v0

    .line 143
    :cond_b
    invoke-virtual {p0}, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->getBlockSize()I

    move-result v2

    .line 144
    invoke-virtual {p0, p3}, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->getUpdateOutputSize(I)I

    move-result v0

    .line 146
    if-lez v0, :cond_21

    .line 148
    add-int/2addr v0, p5

    array-length v3, p4

    if-le v0, v3, :cond_21

    .line 150
    new-instance v0, Lorg/spongycastle/crypto/DataLengthException;

    const-string v1, "output buffer too short"

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

    throw v0

    .line 155
    :cond_21
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    array-length v0, v0

    iget v3, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    sub-int v3, v0, v3

    .line 157
    if-le p3, v3, :cond_64

    .line 159
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    iget v4, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    invoke-static {p1, p2, v0, v4, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 161
    iget-object v0, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

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

    invoke-interface {v0, v4, v1, p4, p5}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    move-result v0

    add-int/lit8 v0, v0, 0x0

    .line 162
    iget-object v4, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

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

    invoke-static {v4, v2, v5, v1, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 164
    iput v2, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    .line 166
    sub-int/2addr p3, v3

    .line 167
    add-int/2addr p2, v3

    .line 169
    :goto_46
    if-le p3, v2, :cond_65

    .line 171
    iget-object v3, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    iget v4, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    invoke-static {p1, p2, v3, v4, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 172
    iget-object v3, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->cipher:Lorg/spongycastle/crypto/BlockCipher;

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

    add-int v5, p5, v0

    invoke-interface {v3, v4, v1, p4, v5}, Lorg/spongycastle/crypto/BlockCipher;->processBlock([BI[BI)I

    move-result v3

    add-int/2addr v0, v3

    .line 173
    iget-object v3, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

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

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

    .line 175
    sub-int/2addr p3, v2

    .line 176
    add-int/2addr p2, v2

    goto :goto_46

    :cond_64
    move v0, v1

    .line 180
    :cond_65
    iget-object v1, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->buf:[B

    iget v2, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    invoke-static {p1, p2, v1, v2, p3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 182
    iget v1, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    add-int/2addr v1, p3

    iput v1, p0, Lorg/spongycastle/crypto/modes/NISTCTSBlockCipher;->bufOff:I

    .line 184
    return v0
.end method