RSAUtil.smali

.class public Lcom/iflytek/cloud/msc/util/RSAUtil;
.super Ljava/lang/Object;
.source "SourceFile"


# static fields
.field private static final ALGORITHM:Ljava/lang/String; = "RSA"

.field private static final TRANSFORMATION:Ljava/lang/String; = "RSA/ECB/PKCS1Padding"


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

    .prologue
    .line 16
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method private static ASCII_To_BCD([BI)[B
    .registers 8

    .prologue
    const/4 v1, 0x0

    .line 277
    div-int/lit8 v0, p1, 0x2

    new-array v5, v0, [B

    move v0, v1

    move v2, v1

    .line 279
    :goto_7
    add-int/lit8 v3, p1, 0x1

    div-int/lit8 v3, v3, 0x2

    if-ge v0, v3, :cond_31

    .line 280
    add-int/lit8 v3, v2, 0x1

    aget-byte v2, p0, v2

    invoke-static {v2}, Lcom/iflytek/cloud/msc/util/RSAUtil;->asc_to_bcd(B)B

    move-result v2

    aput-byte v2, v5, v0

    .line 281
    if-lt v3, p1, :cond_26

    move v2, v3

    move v3, v1

    :goto_1b
    aget-byte v4, v5, v0

    shl-int/lit8 v4, v4, 0x4

    add-int/2addr v3, v4

    int-to-byte v3, v3

    aput-byte v3, v5, v0

    .line 279
    add-int/lit8 v0, v0, 0x1

    goto :goto_7

    .line 281
    :cond_26
    add-int/lit8 v4, v3, 0x1

    aget-byte v2, p0, v3

    invoke-static {v2}, Lcom/iflytek/cloud/msc/util/RSAUtil;->asc_to_bcd(B)B

    move-result v2

    move v3, v2

    move v2, v4

    goto :goto_1b

    .line 283
    :cond_31
    return-object v5
.end method

.method private static asc_to_bcd(B)B
    .registers 2

    .prologue
    .line 289
    const/16 v0, 0x30

    if-lt p0, v0, :cond_c

    const/16 v0, 0x39

    if-gt p0, v0, :cond_c

    .line 290
    add-int/lit8 v0, p0, -0x30

    int-to-byte v0, v0

    .line 297
    :goto_b
    return v0

    .line 291
    :cond_c
    const/16 v0, 0x41

    if-lt p0, v0, :cond_1a

    const/16 v0, 0x46

    if-gt p0, v0, :cond_1a

    .line 292
    add-int/lit8 v0, p0, -0x41

    add-int/lit8 v0, v0, 0xa

    int-to-byte v0, v0

    goto :goto_b

    .line 293
    :cond_1a
    const/16 v0, 0x61

    if-lt p0, v0, :cond_28

    const/16 v0, 0x66

    if-gt p0, v0, :cond_28

    .line 294
    add-int/lit8 v0, p0, -0x61

    add-int/lit8 v0, v0, 0xa

    int-to-byte v0, v0

    goto :goto_b

    .line 296
    :cond_28
    add-int/lit8 v0, p0, -0x30

    int-to-byte v0, v0

    goto :goto_b
.end method

.method private static bcd2Str([B)Ljava/lang/String;
    .registers 6

    .prologue
    const/16 v4, 0x9

    .line 304
    array-length v0, p0

    mul-int/lit8 v0, v0, 0x2

    new-array v2, v0, [C

    .line 306
    const/4 v0, 0x0

    :goto_8
    array-length v1, p0

    if-ge v0, v1, :cond_3a

    .line 307
    aget-byte v1, p0, v0

    and-int/lit16 v1, v1, 0xf0

    shr-int/lit8 v1, v1, 0x4

    and-int/lit8 v1, v1, 0xf

    int-to-char v1, v1

    .line 308
    mul-int/lit8 v3, v0, 0x2

    if-le v1, v4, :cond_34

    add-int/lit8 v1, v1, 0x41

    add-int/lit8 v1, v1, -0xa

    :goto_1c
    int-to-char v1, v1

    aput-char v1, v2, v3

    .line 310
    aget-byte v1, p0, v0

    and-int/lit8 v1, v1, 0xf

    int-to-char v1, v1

    .line 311
    mul-int/lit8 v3, v0, 0x2

    add-int/lit8 v3, v3, 0x1

    if-le v1, v4, :cond_37

    add-int/lit8 v1, v1, 0x41

    add-int/lit8 v1, v1, -0xa

    :goto_2e
    int-to-char v1, v1

    aput-char v1, v2, v3

    .line 306
    add-int/lit8 v0, v0, 0x1

    goto :goto_8

    .line 308
    :cond_34
    add-int/lit8 v1, v1, 0x30

    goto :goto_1c

    .line 311
    :cond_37
    add-int/lit8 v1, v1, 0x30

    goto :goto_2e

    .line 313
    :cond_3a
    new-instance v0, Ljava/lang/String;

    invoke-direct {v0, v2}, Ljava/lang/String;-><init>([C)V

    return-object v0
.end method

.method public static decryptByPrivateKey(Ljava/lang/String;Ljava/security/interfaces/RSAPrivateKey;)Ljava/lang/String;
    .registers 8
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 205
    invoke-interface {p1}, Ljava/security/interfaces/RSAPrivateKey;->getModulus()Ljava/math/BigInteger;

    move-result-object v0

    invoke-virtual {v0}, Ljava/math/BigInteger;->bitLength()I

    move-result v0

    div-int/lit8 v0, v0, 0x8

    .line 206
    invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B

    move-result-object v1

    .line 207
    array-length v2, v1

    invoke-static {v1, v2}, Lcom/iflytek/cloud/msc/util/RSAUtil;->ASCII_To_BCD([BI)[B

    move-result-object v2

    .line 209
    const-string v1, ""

    .line 210
    invoke-static {v2, v0}, Lcom/iflytek/cloud/msc/util/RSAUtil;->splitArray([BI)[[B

    move-result-object v2

    .line 211
    array-length v3, v2

    const/4 v0, 0x0

    :goto_1b
    if-ge v0, v3, :cond_3c

    aget-object v4, v2, v0

    .line 212
    new-instance v5, Ljava/lang/StringBuilder;

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

    invoke-virtual {v5, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    new-instance v5, Ljava/lang/String;

    invoke-static {v4, p1}, Lcom/iflytek/cloud/msc/util/RSAUtil;->decryptByPrivateKey([BLjava/security/interfaces/RSAPrivateKey;)[B

    move-result-object v4

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

    invoke-virtual {v1, v5}, 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

    .line 211
    add-int/lit8 v0, v0, 0x1

    goto :goto_1b

    .line 214
    :cond_3c
    return-object v1
.end method

.method public static decryptByPrivateKey([BLjava/security/interfaces/RSAPrivateKey;)[B
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 228
    const-string v0, "RSA/ECB/PKCS1Padding"

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

    move-result-object v0

    .line 229
    const/4 v1, 0x2

    invoke-virtual {v0, v1, p1}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    .line 230
    invoke-virtual {v0, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object v0

    return-object v0
.end method

.method public static decryptByPublicKey(Ljava/lang/String;Ljava/security/interfaces/RSAPublicKey;)Ljava/lang/String;
    .registers 8
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 245
    invoke-interface {p1}, Ljava/security/interfaces/RSAPublicKey;->getModulus()Ljava/math/BigInteger;

    move-result-object v0

    invoke-virtual {v0}, Ljava/math/BigInteger;->bitLength()I

    move-result v0

    div-int/lit8 v0, v0, 0x8

    .line 246
    invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B

    move-result-object v1

    .line 247
    array-length v2, v1

    invoke-static {v1, v2}, Lcom/iflytek/cloud/msc/util/RSAUtil;->ASCII_To_BCD([BI)[B

    move-result-object v2

    .line 249
    const-string v1, ""

    .line 250
    invoke-static {v2, v0}, Lcom/iflytek/cloud/msc/util/RSAUtil;->splitArray([BI)[[B

    move-result-object v2

    .line 251
    array-length v3, v2

    const/4 v0, 0x0

    :goto_1b
    if-ge v0, v3, :cond_3c

    aget-object v4, v2, v0

    .line 252
    new-instance v5, Ljava/lang/StringBuilder;

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

    invoke-virtual {v5, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v1

    new-instance v5, Ljava/lang/String;

    invoke-static {v4, p1}, Lcom/iflytek/cloud/msc/util/RSAUtil;->decryptByPublicKey([BLjava/security/interfaces/RSAPublicKey;)[B

    move-result-object v4

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

    invoke-virtual {v1, v5}, 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

    .line 251
    add-int/lit8 v0, v0, 0x1

    goto :goto_1b

    .line 254
    :cond_3c
    return-object v1
.end method

.method public static decryptByPublicKey([BLjava/security/interfaces/RSAPublicKey;)[B
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 268
    const-string v0, "RSA/ECB/PKCS1Padding"

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

    move-result-object v0

    .line 269
    const/4 v1, 0x2

    invoke-virtual {v0, v1, p1}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    .line 270
    invoke-virtual {v0, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object v0

    return-object v0
.end method

.method public static encryptByPrivateKey(Ljava/lang/String;Ljava/security/interfaces/RSAPrivateKey;)Ljava/lang/String;
    .registers 7
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 183
    invoke-interface {p1}, Ljava/security/interfaces/RSAPrivateKey;->getModulus()Ljava/math/BigInteger;

    move-result-object v0

    invoke-virtual {v0}, Ljava/math/BigInteger;->bitLength()I

    move-result v0

    div-int/lit8 v0, v0, 0x8

    .line 185
    add-int/lit8 v0, v0, -0xb

    invoke-static {p0, v0}, Lcom/iflytek/cloud/msc/util/RSAUtil;->splitString(Ljava/lang/String;I)[Ljava/lang/String;

    move-result-object v1

    .line 186
    new-instance v2, Ljava/lang/StringBuilder;

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

    .line 188
    array-length v3, v1

    const/4 v0, 0x0

    :goto_17
    if-ge v0, v3, :cond_2d

    aget-object v4, v1, v0

    .line 189
    invoke-virtual {v4}, Ljava/lang/String;->getBytes()[B

    move-result-object v4

    invoke-static {v4, p1}, Lcom/iflytek/cloud/msc/util/RSAUtil;->encryptByPrivateKey([BLjava/security/interfaces/RSAPrivateKey;)[B

    move-result-object v4

    invoke-static {v4}, Lcom/iflytek/cloud/msc/util/RSAUtil;->bcd2Str([B)Ljava/lang/String;

    move-result-object v4

    invoke-virtual {v2, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 188
    add-int/lit8 v0, v0, 0x1

    goto :goto_17

    .line 191
    :cond_2d
    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static encryptByPrivateKey([BLjava/security/interfaces/RSAPrivateKey;)[B
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 165
    const-string v0, "RSA/ECB/PKCS1Padding"

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

    move-result-object v0

    .line 166
    const/4 v1, 0x1

    invoke-virtual {v0, v1, p1}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    .line 167
    invoke-virtual {v0, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object v0

    return-object v0
.end method

.method public static encryptByPublicKey(Ljava/lang/String;Ljava/security/interfaces/RSAPublicKey;)Ljava/lang/String;
    .registers 7

    .prologue
    .line 124
    invoke-interface {p1}, Ljava/security/interfaces/RSAPublicKey;->getModulus()Ljava/math/BigInteger;

    move-result-object v0

    invoke-virtual {v0}, Ljava/math/BigInteger;->bitLength()I

    move-result v0

    div-int/lit8 v0, v0, 0x8

    .line 126
    add-int/lit8 v0, v0, -0xb

    invoke-static {p0, v0}, Lcom/iflytek/cloud/msc/util/RSAUtil;->splitString(Ljava/lang/String;I)[Ljava/lang/String;

    move-result-object v1

    .line 127
    new-instance v2, Ljava/lang/StringBuilder;

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

    .line 130
    :try_start_15
    array-length v3, v1

    const/4 v0, 0x0

    :goto_17
    if-ge v0, v3, :cond_2e

    aget-object v4, v1, v0

    .line 131
    invoke-virtual {v4}, Ljava/lang/String;->getBytes()[B

    move-result-object v4

    invoke-static {v4, p1}, Lcom/iflytek/cloud/msc/util/RSAUtil;->encryptByPublicKey([BLjava/security/interfaces/RSAPublicKey;)[B

    move-result-object v4

    invoke-static {v4}, Lcom/iflytek/cloud/msc/util/RSAUtil;->bcd2Str([B)Ljava/lang/String;

    move-result-object v4

    invoke-virtual {v2, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
    :try_end_2a
    .catch Ljava/lang/Exception; {:try_start_15 .. :try_end_2a} :catch_2d

    .line 130
    add-int/lit8 v0, v0, 0x1

    goto :goto_17

    .line 133
    :catch_2d
    move-exception v0

    .line 135
    :cond_2e
    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static encryptByPublicKey([BLjava/security/interfaces/RSAPublicKey;)[B
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 149
    const-string v0, "RSA/ECB/PKCS1Padding"

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

    move-result-object v0

    .line 150
    const/4 v1, 0x1

    invoke-virtual {v0, v1, p1}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    .line 151
    invoke-virtual {v0, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object v0

    return-object v0
.end method

.method public static loadPrivateKey(Ljava/io/InputStream;)Ljava/security/interfaces/RSAPrivateKey;
    .registers 6
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 75
    :try_start_0
    new-instance v0, Ljava/io/BufferedReader;

    new-instance v1, Ljava/io/InputStreamReader;

    invoke-direct {v1, p0}, Ljava/io/InputStreamReader;-><init>(Ljava/io/InputStream;)V

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

    .line 77
    new-instance v1, Ljava/lang/StringBuilder;

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

    .line 78
    :cond_f
    :goto_f
    invoke-virtual {v0}, Ljava/io/BufferedReader;->readLine()Ljava/lang/String;

    move-result-object v2

    if-eqz v2, :cond_2a

    .line 79
    const/4 v3, 0x0

    invoke-virtual {v2, v3}, Ljava/lang/String;->charAt(I)C

    move-result v3

    const/16 v4, 0x2d

    if-eq v3, v4, :cond_f

    .line 82
    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 83
    const/16 v2, 0xd

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

    goto :goto_f

    .line 87
    :catch_27
    move-exception v0

    .line 90
    const/4 v0, 0x0

    :goto_29
    return-object v0

    .line 86
    :cond_2a
    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    invoke-static {v0}, Lcom/iflytek/cloud/msc/util/RSAUtil;->loadPrivateKey(Ljava/lang/String;)Ljava/security/interfaces/RSAPrivateKey;
    :try_end_31
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_31} :catch_27

    move-result-object v0

    goto :goto_29
.end method

.method public static loadPrivateKey(Ljava/lang/String;)Ljava/security/interfaces/RSAPrivateKey;
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 104
    const/4 v0, 0x0

    :try_start_1
    invoke-static {p0, v0}, Landroid/util/Base64;->decode(Ljava/lang/String;I)[B

    move-result-object v0

    .line 105
    new-instance v1, Ljava/security/spec/PKCS8EncodedKeySpec;

    invoke-direct {v1, v0}, Ljava/security/spec/PKCS8EncodedKeySpec;-><init>([B)V

    .line 106
    const-string v0, "RSA"

    invoke-static {v0}, Ljava/security/KeyFactory;->getInstance(Ljava/lang/String;)Ljava/security/KeyFactory;

    move-result-object v0

    .line 107
    invoke-virtual {v0, v1}, Ljava/security/KeyFactory;->generatePrivate(Ljava/security/spec/KeySpec;)Ljava/security/PrivateKey;

    move-result-object v0

    check-cast v0, Ljava/security/interfaces/RSAPrivateKey;
    :try_end_16
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_16} :catch_17

    .line 111
    :goto_16
    return-object v0

    .line 108
    :catch_17
    move-exception v0

    .line 111
    const/4 v0, 0x0

    goto :goto_16
.end method

.method public static loadPublicKey(Ljava/io/InputStream;)Ljava/security/interfaces/RSAPublicKey;
    .registers 6
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 28
    :try_start_0
    new-instance v0, Ljava/io/BufferedReader;

    new-instance v1, Ljava/io/InputStreamReader;

    invoke-direct {v1, p0}, Ljava/io/InputStreamReader;-><init>(Ljava/io/InputStream;)V

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

    .line 30
    new-instance v1, Ljava/lang/StringBuilder;

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

    .line 31
    :cond_f
    :goto_f
    invoke-virtual {v0}, Ljava/io/BufferedReader;->readLine()Ljava/lang/String;

    move-result-object v2

    if-eqz v2, :cond_2a

    .line 32
    const/4 v3, 0x0

    invoke-virtual {v2, v3}, Ljava/lang/String;->charAt(I)C

    move-result v3

    const/16 v4, 0x2d

    if-eq v3, v4, :cond_f

    .line 35
    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 36
    const/16 v2, 0xd

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

    goto :goto_f

    .line 40
    :catch_27
    move-exception v0

    .line 43
    const/4 v0, 0x0

    :goto_29
    return-object v0

    .line 39
    :cond_2a
    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    invoke-static {v0}, Lcom/iflytek/cloud/msc/util/RSAUtil;->loadPublicKey(Ljava/lang/String;)Ljava/security/interfaces/RSAPublicKey;
    :try_end_31
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_31} :catch_27

    move-result-object v0

    goto :goto_29
.end method

.method public static loadPublicKey(Ljava/lang/String;)Ljava/security/interfaces/RSAPublicKey;
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 56
    const/4 v0, 0x0

    :try_start_1
    invoke-static {p0, v0}, Landroid/util/Base64;->decode(Ljava/lang/String;I)[B

    move-result-object v0

    .line 57
    const-string v1, "RSA"

    invoke-static {v1}, Ljava/security/KeyFactory;->getInstance(Ljava/lang/String;)Ljava/security/KeyFactory;

    move-result-object v1

    .line 58
    new-instance v2, Ljava/security/spec/X509EncodedKeySpec;

    invoke-direct {v2, v0}, Ljava/security/spec/X509EncodedKeySpec;-><init>([B)V

    .line 59
    invoke-virtual {v1, v2}, Ljava/security/KeyFactory;->generatePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;

    move-result-object v0

    check-cast v0, Ljava/security/interfaces/RSAPublicKey;
    :try_end_16
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_16} :catch_17

    .line 63
    :goto_16
    return-object v0

    .line 60
    :catch_17
    move-exception v0

    .line 63
    const/4 v0, 0x0

    goto :goto_16
.end method

.method private static splitArray([BI)[[B
    .registers 10

    .prologue
    const/4 v1, 0x0

    .line 343
    array-length v0, p0

    div-int v3, v0, p1

    .line 344
    array-length v0, p0

    rem-int v4, v0, p1

    .line 346
    if-eqz v4, :cond_2e

    .line 347
    const/4 v0, 0x1

    .line 349
    :goto_a
    add-int v2, v3, v0

    new-array v5, v2, [[B

    move v2, v1

    .line 351
    :goto_f
    add-int v6, v3, v0

    if-ge v2, v6, :cond_2d

    .line 352
    new-array v6, p1, [B

    .line 353
    add-int v7, v3, v0

    add-int/lit8 v7, v7, -0x1

    if-ne v2, v7, :cond_27

    if-eqz v4, :cond_27

    .line 354
    mul-int v7, v2, p1

    invoke-static {p0, v7, v6, v1, v4}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 358
    :goto_22
    aput-object v6, v5, v2

    .line 351
    add-int/lit8 v2, v2, 0x1

    goto :goto_f

    .line 356
    :cond_27
    mul-int v7, v2, p1

    invoke-static {p0, v7, v6, v1, p1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    goto :goto_22

    .line 360
    :cond_2d
    return-object v5

    :cond_2e
    move v0, v1

    goto :goto_a
.end method

.method private static splitString(Ljava/lang/String;I)[Ljava/lang/String;
    .registers 9

    .prologue
    const/4 v1, 0x0

    .line 320
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v0

    div-int v3, v0, p1

    .line 321
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v0

    rem-int v4, v0, p1

    .line 323
    if-eqz v4, :cond_3d

    .line 324
    const/4 v0, 0x1

    .line 326
    :goto_10
    add-int v2, v3, v0

    new-array v5, v2, [Ljava/lang/String;

    .line 327
    const-string v2, ""

    move v2, v1

    .line 328
    :goto_17
    add-int v1, v3, v0

    if-ge v2, v1, :cond_3c

    .line 329
    add-int v1, v3, v0

    add-int/lit8 v1, v1, -0x1

    if-ne v2, v1, :cond_32

    if-eqz v4, :cond_32

    .line 330
    mul-int v1, v2, p1

    mul-int v6, v2, p1

    add-int/2addr v6, v4

    invoke-virtual {p0, v1, v6}, Ljava/lang/String;->substring(II)Ljava/lang/String;

    move-result-object v1

    .line 334
    :goto_2c
    aput-object v1, v5, v2

    .line 328
    add-int/lit8 v1, v2, 0x1

    move v2, v1

    goto :goto_17

    .line 332
    :cond_32
    mul-int v1, v2, p1

    mul-int v6, v2, p1

    add-int/2addr v6, p1

    invoke-virtual {p0, v1, v6}, Ljava/lang/String;->substring(II)Ljava/lang/String;

    move-result-object v1

    goto :goto_2c

    .line 336
    :cond_3c
    return-object v5

    :cond_3d
    move v0, v1

    goto :goto_10
.end method