DESExample.smali

.class public Lorg/spongycastle/crypto/examples/DESExample;
.super Ljava/lang/Object;
.source "DESExample.java"


# instance fields
.field private cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

.field private encrypt:Z

.field private in:Ljava/io/BufferedInputStream;

.field private key:[B

.field private out:Ljava/io/BufferedOutputStream;


# direct methods
.method public constructor <init>()V
    .registers 3

    .prologue
    const/4 v1, 0x0

    .line 105
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 57
    const/4 v0, 0x1

    iput-boolean v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->encrypt:Z

    .line 60
    iput-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    .line 63
    iput-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->in:Ljava/io/BufferedInputStream;

    .line 66
    iput-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    .line 69
    iput-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->key:[B

    .line 106
    return-void
.end method

.method public constructor <init>(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Z)V
    .registers 10

    .prologue
    const/4 v1, 0x0

    const/4 v4, 0x1

    .line 117
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 57
    iput-boolean v4, p0, Lorg/spongycastle/crypto/examples/DESExample;->encrypt:Z

    .line 60
    iput-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    .line 63
    iput-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->in:Ljava/io/BufferedInputStream;

    .line 66
    iput-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    .line 69
    iput-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->key:[B

    .line 126
    iput-boolean p4, p0, Lorg/spongycastle/crypto/examples/DESExample;->encrypt:Z

    .line 129
    :try_start_11
    new-instance v0, Ljava/io/BufferedInputStream;

    new-instance v2, Ljava/io/FileInputStream;

    invoke-direct {v2, p1}, Ljava/io/FileInputStream;-><init>(Ljava/lang/String;)V

    invoke-direct {v0, v2}, Ljava/io/BufferedInputStream;-><init>(Ljava/io/InputStream;)V

    iput-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->in:Ljava/io/BufferedInputStream;
    :try_end_1d
    .catch Ljava/io/FileNotFoundException; {:try_start_11 .. :try_end_1d} :catch_6a

    .line 139
    :goto_1d
    :try_start_1d
    new-instance v0, Ljava/io/BufferedOutputStream;

    new-instance v2, Ljava/io/FileOutputStream;

    invoke-direct {v2, p2}, Ljava/io/FileOutputStream;-><init>(Ljava/lang/String;)V

    invoke-direct {v0, v2}, Ljava/io/BufferedOutputStream;-><init>(Ljava/io/OutputStream;)V

    iput-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;
    :try_end_29
    .catch Ljava/io/IOException; {:try_start_1d .. :try_end_29} :catch_89

    .line 147
    :goto_29
    if-eqz p4, :cond_d5

    .line 162
    :try_start_2b
    new-instance v0, Ljava/security/SecureRandom;

    invoke-direct {v0}, Ljava/security/SecureRandom;-><init>()V
    :try_end_30
    .catch Ljava/lang/Exception; {:try_start_2b .. :try_end_30} :catch_a8
    .catch Ljava/io/IOException; {:try_start_2b .. :try_end_30} :catch_b6

    .line 177
    :try_start_30
    const-string v1, "www.bouncycastle.org"

    invoke-virtual {v1}, Ljava/lang/String;->getBytes()[B

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/security/SecureRandom;->setSeed([B)V
    :try_end_39
    .catch Ljava/lang/Exception; {:try_start_30 .. :try_end_39} :catch_111
    .catch Ljava/io/IOException; {:try_start_30 .. :try_end_39} :catch_b6

    .line 185
    :goto_39
    :try_start_39
    new-instance v1, Lorg/spongycastle/crypto/KeyGenerationParameters;

    const/16 v2, 0xc0

    invoke-direct {v1, v0, v2}, Lorg/spongycastle/crypto/KeyGenerationParameters;-><init>(Ljava/security/SecureRandom;I)V

    .line 192
    new-instance v0, Lorg/spongycastle/crypto/generators/DESedeKeyGenerator;

    invoke-direct {v0}, Lorg/spongycastle/crypto/generators/DESedeKeyGenerator;-><init>()V

    .line 193
    invoke-virtual {v0, v1}, Lorg/spongycastle/crypto/generators/DESedeKeyGenerator;->init(Lorg/spongycastle/crypto/KeyGenerationParameters;)V

    .line 198
    invoke-virtual {v0}, Lorg/spongycastle/crypto/generators/DESedeKeyGenerator;->generateKey()[B

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->key:[B

    .line 205
    new-instance v0, Ljava/io/BufferedOutputStream;

    new-instance v1, Ljava/io/FileOutputStream;

    invoke-direct {v1, p3}, Ljava/io/FileOutputStream;-><init>(Ljava/lang/String;)V

    invoke-direct {v0, v1}, Ljava/io/BufferedOutputStream;-><init>(Ljava/io/OutputStream;)V

    .line 207
    iget-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->key:[B

    invoke-static {v1}, Lorg/spongycastle/util/encoders/Hex;->encode([B)[B

    move-result-object v1

    .line 208
    const/4 v2, 0x0

    array-length v3, v1

    invoke-virtual {v0, v1, v2, v3}, Ljava/io/BufferedOutputStream;->write([BII)V

    .line 209
    invoke-virtual {v0}, Ljava/io/BufferedOutputStream;->flush()V

    .line 210
    invoke-virtual {v0}, Ljava/io/BufferedOutputStream;->close()V
    :try_end_69
    .catch Ljava/io/IOException; {:try_start_39 .. :try_end_69} :catch_b6

    .line 238
    :goto_69
    return-void

    .line 133
    :catch_6a
    move-exception v0

    sget-object v0, Ljava/lang/System;->err:Ljava/io/PrintStream;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Input file not found ["

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

    invoke-virtual {v2, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    const-string v3, "]"

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

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

    move-result-object v2

    invoke-virtual {v0, v2}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 134
    invoke-static {v4}, Ljava/lang/System;->exit(I)V

    goto :goto_1d

    .line 143
    :catch_89
    move-exception v0

    sget-object v0, Ljava/lang/System;->err:Ljava/io/PrintStream;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Output file not created ["

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

    invoke-virtual {v2, p2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    const-string v3, "]"

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

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

    move-result-object v2

    invoke-virtual {v0, v2}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 144
    invoke-static {v4}, Ljava/lang/System;->exit(I)V

    goto :goto_29

    .line 181
    :catch_a8
    move-exception v0

    move-object v0, v1

    :goto_aa
    :try_start_aa
    sget-object v1, Ljava/lang/System;->err:Ljava/io/PrintStream;

    const-string v2, "Hmmm, no SHA1PRNG, you need the Sun implementation"

    invoke-virtual {v1, v2}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 183
    const/4 v1, 0x1

    invoke-static {v1}, Ljava/lang/System;->exit(I)V
    :try_end_b5
    .catch Ljava/io/IOException; {:try_start_aa .. :try_end_b5} :catch_b6

    goto :goto_39

    .line 214
    :catch_b6
    move-exception v0

    sget-object v0, Ljava/lang/System;->err:Ljava/io/PrintStream;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Could not decryption create key file ["

    invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v1, p3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "]"

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

    move-result-object v1

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

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 216
    invoke-static {v4}, Ljava/lang/System;->exit(I)V

    goto :goto_69

    .line 224
    :cond_d5
    :try_start_d5
    new-instance v0, Ljava/io/BufferedInputStream;

    new-instance v1, Ljava/io/FileInputStream;

    invoke-direct {v1, p3}, Ljava/io/FileInputStream;-><init>(Ljava/lang/String;)V

    invoke-direct {v0, v1}, Ljava/io/BufferedInputStream;-><init>(Ljava/io/InputStream;)V

    .line 226
    invoke-virtual {v0}, Ljava/io/BufferedInputStream;->available()I

    move-result v1

    .line 227
    new-array v2, v1, [B

    .line 228
    const/4 v3, 0x0

    invoke-virtual {v0, v2, v3, v1}, Ljava/io/BufferedInputStream;->read([BII)I

    .line 229
    invoke-static {v2}, Lorg/spongycastle/util/encoders/Hex;->decode([B)[B

    move-result-object v0

    iput-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->key:[B
    :try_end_ef
    .catch Ljava/io/IOException; {:try_start_d5 .. :try_end_ef} :catch_f1

    goto/16 :goto_69

    .line 233
    :catch_f1
    move-exception v0

    sget-object v0, Ljava/lang/System;->err:Ljava/io/PrintStream;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "Decryption key file not found, or not valid ["

    invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v1, p3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    const-string v2, "]"

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

    move-result-object v1

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

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 235
    invoke-static {v4}, Ljava/lang/System;->exit(I)V

    goto/16 :goto_69

    .line 181
    :catch_111
    move-exception v1

    goto :goto_aa
.end method

.method public static main([Ljava/lang/String;)V
    .registers 8

    .prologue
    const/4 v1, 0x0

    const/4 v6, 0x2

    const/4 v2, 0x1

    .line 76
    .line 81
    array-length v0, p0

    if-ge v0, v6, :cond_30

    .line 83
    new-instance v0, Lorg/spongycastle/crypto/examples/DESExample;

    invoke-direct {v0}, Lorg/spongycastle/crypto/examples/DESExample;-><init>()V

    .line 84
    sget-object v3, Ljava/lang/System;->err:Ljava/io/PrintStream;

    new-instance v4, Ljava/lang/StringBuilder;

    const-string v5, "Usage: java "

    invoke-direct {v4, v5}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v0}, Ljava/lang/Object;->getClass()Ljava/lang/Class;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/Class;->getName()Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v4, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v4, " infile outfile [keyfile]"

    invoke-virtual {v0, v4}, 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

    invoke-virtual {v3, v0}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 86
    invoke-static {v2}, Ljava/lang/System;->exit(I)V

    .line 89
    :cond_30
    const-string v0, "deskey.dat"

    .line 90
    aget-object v3, p0, v1

    .line 91
    aget-object v4, p0, v2

    .line 93
    array-length v5, p0

    if-le v5, v6, :cond_44

    .line 96
    aget-object v0, p0, v6

    .line 99
    :goto_3b
    new-instance v2, Lorg/spongycastle/crypto/examples/DESExample;

    invoke-direct {v2, v3, v4, v0, v1}, Lorg/spongycastle/crypto/examples/DESExample;-><init>(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Z)V

    .line 100
    invoke-direct {v2}, Lorg/spongycastle/crypto/examples/DESExample;->process()V

    .line 101
    return-void

    :cond_44
    move v1, v2

    goto :goto_3b
.end method

.method private performDecrypt([B)V
    .registers 9

    .prologue
    const/4 v2, 0x0

    .line 361
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    new-instance v1, Lorg/spongycastle/crypto/params/KeyParameter;

    invoke-direct {v1, p1}, Lorg/spongycastle/crypto/params/KeyParameter;-><init>([B)V

    invoke-virtual {v0, v2, v1}, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;->init(ZLorg/spongycastle/crypto/CipherParameters;)V

    .line 369
    new-instance v6, Ljava/io/BufferedReader;

    new-instance v0, Ljava/io/InputStreamReader;

    iget-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->in:Ljava/io/BufferedInputStream;

    invoke-direct {v0, v1}, Ljava/io/InputStreamReader;-><init>(Ljava/io/InputStream;)V

    invoke-direct {v6, v0}, Ljava/io/BufferedReader;-><init>(Ljava/io/Reader;)V

    .line 378
    const/4 v4, 0x0

    .line 380
    :cond_18
    :goto_18
    :try_start_18
    invoke-virtual {v6}, Ljava/io/BufferedReader;->readLine()Ljava/lang/String;

    move-result-object v0

    if-eqz v0, :cond_42

    .line 382
    invoke-static {v0}, Lorg/spongycastle/util/encoders/Hex;->decode(Ljava/lang/String;)[B

    move-result-object v1

    .line 383
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    array-length v2, v1

    invoke-virtual {v0, v2}, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;->getOutputSize(I)I

    move-result v0

    new-array v4, v0, [B

    .line 385
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    const/4 v2, 0x0

    array-length v3, v1

    const/4 v5, 0x0

    invoke-virtual/range {v0 .. v5}, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;->processBytes([BII[BI)I

    move-result v0

    .line 391
    if-lez v0, :cond_18

    .line 393
    iget-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    const/4 v2, 0x0

    invoke-virtual {v1, v4, v2, v0}, Ljava/io/BufferedOutputStream;->write([BII)V
    :try_end_3c
    .catch Ljava/io/IOException; {:try_start_18 .. :try_end_3c} :catch_3d

    goto :goto_18

    .line 416
    :catch_3d
    move-exception v0

    invoke-virtual {v0}, Ljava/io/IOException;->printStackTrace()V

    .line 418
    :cond_41
    :goto_41
    return-void

    .line 403
    :cond_42
    :try_start_42
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    const/4 v1, 0x0

    invoke-virtual {v0, v4, v1}, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;->doFinal([BI)I

    move-result v0

    .line 404
    if-lez v0, :cond_41

    .line 406
    iget-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    const/4 v2, 0x0

    invoke-virtual {v1, v4, v2, v0}, Ljava/io/BufferedOutputStream;->write([BII)V
    :try_end_51
    .catch Lorg/spongycastle/crypto/CryptoException; {:try_start_42 .. :try_end_51} :catch_52
    .catch Ljava/io/IOException; {:try_start_42 .. :try_end_51} :catch_3d

    goto :goto_41

    :catch_52
    move-exception v0

    goto :goto_41
.end method

.method private performEncrypt([B)V
    .registers 8

    .prologue
    const/16 v3, 0x2f

    .line 286
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    const/4 v1, 0x1

    new-instance v2, Lorg/spongycastle/crypto/params/KeyParameter;

    invoke-direct {v2, p1}, Lorg/spongycastle/crypto/params/KeyParameter;-><init>([B)V

    invoke-virtual {v0, v1, v2}, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;->init(ZLorg/spongycastle/crypto/CipherParameters;)V

    .line 300
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    invoke-virtual {v0, v3}, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;->getOutputSize(I)I

    move-result v0

    .line 302
    new-array v1, v3, [B

    .line 303
    new-array v4, v0, [B

    .line 313
    :cond_17
    :goto_17
    :try_start_17
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->in:Ljava/io/BufferedInputStream;

    const/4 v2, 0x0

    const/16 v3, 0x2f

    invoke-virtual {v0, v1, v2, v3}, Ljava/io/BufferedInputStream;->read([BII)I

    move-result v3

    if-lez v3, :cond_45

    .line 315
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    const/4 v2, 0x0

    const/4 v5, 0x0

    invoke-virtual/range {v0 .. v5}, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;->processBytes([BII[BI)I

    move-result v0

    .line 320
    if-lez v0, :cond_17

    .line 322
    const/4 v2, 0x0

    invoke-static {v4, v2, v0}, Lorg/spongycastle/util/encoders/Hex;->encode([BII)[B

    move-result-object v0

    .line 323
    iget-object v2, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    const/4 v3, 0x0

    array-length v5, v0

    invoke-virtual {v2, v0, v3, v5}, Ljava/io/BufferedOutputStream;->write([BII)V

    .line 324
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    const/16 v2, 0xa

    invoke-virtual {v0, v2}, Ljava/io/BufferedOutputStream;->write(I)V
    :try_end_3f
    .catch Ljava/io/IOException; {:try_start_17 .. :try_end_3f} :catch_40

    goto :goto_17

    .line 349
    :catch_40
    move-exception v0

    invoke-virtual {v0}, Ljava/io/IOException;->printStackTrace()V

    .line 351
    :cond_44
    :goto_44
    return-void

    .line 334
    :cond_45
    :try_start_45
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    const/4 v1, 0x0

    invoke-virtual {v0, v4, v1}, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;->doFinal([BI)I

    move-result v0

    .line 335
    if-lez v0, :cond_44

    .line 337
    const/4 v1, 0x0

    invoke-static {v4, v1, v0}, Lorg/spongycastle/util/encoders/Hex;->encode([BII)[B

    move-result-object v0

    .line 338
    iget-object v1, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    const/4 v2, 0x0

    array-length v3, v0

    invoke-virtual {v1, v0, v2, v3}, Ljava/io/BufferedOutputStream;->write([BII)V

    .line 339
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    const/16 v1, 0xa

    invoke-virtual {v0, v1}, Ljava/io/BufferedOutputStream;->write(I)V
    :try_end_61
    .catch Lorg/spongycastle/crypto/CryptoException; {:try_start_45 .. :try_end_61} :catch_62
    .catch Ljava/io/IOException; {:try_start_45 .. :try_end_61} :catch_40

    goto :goto_44

    :catch_62
    move-exception v0

    goto :goto_44
.end method

.method private process()V
    .registers 4

    .prologue
    .line 246
    new-instance v0, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    new-instance v1, Lorg/spongycastle/crypto/modes/CBCBlockCipher;

    new-instance v2, Lorg/spongycastle/crypto/engines/DESedeEngine;

    invoke-direct {v2}, Lorg/spongycastle/crypto/engines/DESedeEngine;-><init>()V

    invoke-direct {v1, v2}, Lorg/spongycastle/crypto/modes/CBCBlockCipher;-><init>(Lorg/spongycastle/crypto/BlockCipher;)V

    invoke-direct {v0, v1}, Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;-><init>(Lorg/spongycastle/crypto/BlockCipher;)V

    iput-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->cipher:Lorg/spongycastle/crypto/paddings/PaddedBufferedBlockCipher;

    .line 256
    iget-boolean v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->encrypt:Z

    if-eqz v0, :cond_2a

    .line 258
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->key:[B

    invoke-direct {p0, v0}, Lorg/spongycastle/crypto/examples/DESExample;->performEncrypt([B)V

    .line 268
    :goto_1a
    :try_start_1a
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->in:Ljava/io/BufferedInputStream;

    invoke-virtual {v0}, Ljava/io/BufferedInputStream;->close()V

    .line 269
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    invoke-virtual {v0}, Ljava/io/BufferedOutputStream;->flush()V

    .line 270
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->out:Ljava/io/BufferedOutputStream;

    invoke-virtual {v0}, Ljava/io/BufferedOutputStream;->close()V
    :try_end_29
    .catch Ljava/io/IOException; {:try_start_1a .. :try_end_29} :catch_30

    .line 276
    :goto_29
    return-void

    .line 262
    :cond_2a
    iget-object v0, p0, Lorg/spongycastle/crypto/examples/DESExample;->key:[B

    invoke-direct {p0, v0}, Lorg/spongycastle/crypto/examples/DESExample;->performDecrypt([B)V

    goto :goto_1a

    .line 276
    :catch_30
    move-exception v0

    goto :goto_29
.end method