Coder.smali

.class public Lsg/bigo/sdk/blivestat/utils/Coder;
.super Ljava/lang/Object;
.source "SourceFile"


# static fields
.field private static final CHARSET:Ljava/lang/String; = "UTF-8"

.field private static final HEX_ARRAY:[C

.field private static final KEY_DES:Ljava/lang/String; = "DES"

.field private static final KEY_MD5:Ljava/lang/String; = "MD5"

.field private static final KEY_SHA:Ljava/lang/String; = "SHA"


# direct methods
.method static constructor <clinit>()V
    .registers 1

    const-string v0, "0123456789ABCDEF"

    .line 226
    invoke-virtual {v0}, Ljava/lang/String;->toCharArray()[C

    move-result-object v0

    sput-object v0, Lsg/bigo/sdk/blivestat/utils/Coder;->HEX_ARRAY:[C

    return-void
.end method

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

    .line 17
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static StringToBytes(Ljava/lang/String;)[B
    .registers 2
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/UnsupportedEncodingException;
        }
    .end annotation

    const-string v0, "UTF-8"

    .line 223
    invoke-virtual {p0, v0}, Ljava/lang/String;->getBytes(Ljava/lang/String;)[B

    move-result-object p0

    return-object p0
.end method

.method public static bytesToHex([B)Ljava/lang/String;
    .registers 7

    if-nez p0, :cond_5

    const-string p0, ""

    return-object p0

    .line 235
    :cond_5
    array-length v0, p0

    mul-int/lit8 v0, v0, 0x2

    new-array v0, v0, [C

    const/4 v1, 0x0

    .line 236
    :goto_b
    array-length v2, p0

    if-ge v1, v2, :cond_27

    .line 237
    aget-byte v2, p0, v1

    and-int/lit16 v2, v2, 0xff

    mul-int/lit8 v3, v1, 0x2

    .line 238
    sget-object v4, Lsg/bigo/sdk/blivestat/utils/Coder;->HEX_ARRAY:[C

    ushr-int/lit8 v5, v2, 0x4

    aget-char v5, v4, v5

    aput-char v5, v0, v3

    add-int/lit8 v3, v3, 0x1

    and-int/lit8 v2, v2, 0xf

    .line 239
    aget-char v2, v4, v2

    aput-char v2, v0, v3

    add-int/lit8 v1, v1, 0x1

    goto :goto_b

    .line 241
    :cond_27
    new-instance p0, Ljava/lang/String;

    invoke-direct {p0, v0}, Ljava/lang/String;-><init>([C)V

    return-object p0
.end method

.method public static bytesToHexString([B)Ljava/lang/String;
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/UnsupportedEncodingException;
        }
    .end annotation

    .line 167
    new-instance v0, Ljava/lang/StringBuilder;

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

    if-eqz p0, :cond_22

    const/4 v1, 0x0

    .line 169
    :goto_8
    array-length v2, p0

    if-ge v1, v2, :cond_22

    .line 170
    aget-byte v2, p0, v1

    and-int/lit16 v2, v2, 0xff

    add-int/lit16 v2, v2, 0x100

    const/16 v3, 0x10

    invoke-static {v2, v3}, Ljava/lang/Integer;->toString(II)Ljava/lang/String;

    move-result-object v2

    const/4 v3, 0x1

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

    move-result-object v2

    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    add-int/lit8 v1, v1, 0x1

    goto :goto_8

    .line 173
    :cond_22
    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static bytesToString([B)Ljava/lang/String;
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/UnsupportedEncodingException;
        }
    .end annotation

    .line 212
    new-instance v0, Ljava/lang/String;

    const-string v1, "UTF-8"

    invoke-direct {v0, p0, v1}, Ljava/lang/String;-><init>([BLjava/lang/String;)V

    return-object v0
.end method

.method public static decryptBASE64(Ljava/lang/String;)Ljava/lang/String;
    .registers 1
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .line 32
    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Base64Util;->decode(Ljava/lang/String;)[B

    move-result-object p0

    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Coder;->bytesToString([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static decryptDES(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    .registers 2
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;,
            Ljava/lang/Exception;
        }
    .end annotation

    if-nez p0, :cond_4

    const/4 p0, 0x0

    return-object p0

    .line 98
    :cond_4
    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Base64Util;->decode(Ljava/lang/String;)[B

    move-result-object p0

    .line 99
    invoke-static {p1}, Lsg/bigo/sdk/blivestat/utils/Coder;->StringToBytes(Ljava/lang/String;)[B

    move-result-object p1

    invoke-static {p0, p1}, Lsg/bigo/sdk/blivestat/utils/Coder;->decryptDES([B[B)[B

    move-result-object p0

    .line 100
    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Coder;->bytesToString([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static decryptDES([B[B)[B
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .line 142
    new-instance v0, Ljava/security/SecureRandom;

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

    .line 145
    new-instance v1, Ljavax/crypto/spec/DESKeySpec;

    invoke-direct {v1, p1}, Ljavax/crypto/spec/DESKeySpec;-><init>([B)V

    const-string p1, "DES"

    .line 148
    invoke-static {p1}, Ljavax/crypto/SecretKeyFactory;->getInstance(Ljava/lang/String;)Ljavax/crypto/SecretKeyFactory;

    move-result-object v2

    .line 149
    invoke-virtual {v2, v1}, Ljavax/crypto/SecretKeyFactory;->generateSecret(Ljava/security/spec/KeySpec;)Ljavax/crypto/SecretKey;

    move-result-object v1

    .line 152
    invoke-static {p1}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object p1

    const/4 v2, 0x2

    .line 155
    invoke-virtual {p1, v2, v1, v0}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/SecureRandom;)V

    .line 157
    invoke-virtual {p1, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p0

    return-object p0
.end method

.method public static encryptBASE64(Ljava/lang/String;)Ljava/lang/String;
    .registers 1
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .line 43
    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Coder;->StringToBytes(Ljava/lang/String;)[B

    move-result-object p0

    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Base64Util;->encode([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static encryptDES(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    .registers 2
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .line 80
    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Coder;->StringToBytes(Ljava/lang/String;)[B

    move-result-object p0

    invoke-static {p1}, Lsg/bigo/sdk/blivestat/utils/Coder;->StringToBytes(Ljava/lang/String;)[B

    move-result-object p1

    invoke-static {p0, p1}, Lsg/bigo/sdk/blivestat/utils/Coder;->encryptDES([B[B)[B

    move-result-object p0

    .line 81
    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Base64Util;->encode([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static encryptDES([B[B)[B
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .line 113
    new-instance v0, Ljava/security/SecureRandom;

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

    .line 116
    new-instance v1, Ljavax/crypto/spec/DESKeySpec;

    invoke-direct {v1, p1}, Ljavax/crypto/spec/DESKeySpec;-><init>([B)V

    const-string p1, "DES"

    .line 119
    invoke-static {p1}, Ljavax/crypto/SecretKeyFactory;->getInstance(Ljava/lang/String;)Ljavax/crypto/SecretKeyFactory;

    move-result-object v2

    .line 120
    invoke-virtual {v2, v1}, Ljavax/crypto/SecretKeyFactory;->generateSecret(Ljava/security/spec/KeySpec;)Ljavax/crypto/SecretKey;

    move-result-object v1

    .line 123
    invoke-static {p1}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object p1

    const/4 v2, 0x1

    .line 126
    invoke-virtual {p1, v2, v1, v0}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/SecureRandom;)V

    .line 128
    invoke-virtual {p1, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p0

    return-object p0
.end method

.method public static encryptMD5(Ljava/lang/String;)Ljava/lang/String;
    .registers 2
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    const-string v0, "MD5"

    .line 54
    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v0

    .line 55
    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Coder;->StringToBytes(Ljava/lang/String;)[B

    move-result-object p0

    invoke-virtual {v0, p0}, Ljava/security/MessageDigest;->digest([B)[B

    move-result-object p0

    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Coder;->bytesToHexString([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static encryptSHA(Ljava/lang/String;)Ljava/lang/String;
    .registers 2
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    const-string v0, "SHA"

    .line 66
    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v0

    .line 67
    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Coder;->StringToBytes(Ljava/lang/String;)[B

    move-result-object p0

    invoke-virtual {v0, p0}, Ljava/security/MessageDigest;->update([B)V

    .line 68
    invoke-virtual {v0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object p0

    invoke-static {p0}, Lsg/bigo/sdk/blivestat/utils/Coder;->bytesToHexString([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static hexStringToBytes(Ljava/lang/String;)[B
    .registers 7

    .line 183
    invoke-virtual {p0}, Ljava/lang/String;->toCharArray()[C

    move-result-object p0

    .line 185
    array-length v0, p0

    div-int/lit8 v0, v0, 0x2

    .line 186
    new-array v1, v0, [B

    const/4 v2, 0x0

    :goto_a
    if-ge v2, v0, :cond_2d

    mul-int/lit8 v3, v2, 0x2

    .line 189
    aget-char v4, p0, v3

    const/16 v5, 0x10

    invoke-static {v4, v5}, Ljava/lang/Character;->digit(CI)I

    move-result v4

    add-int/lit8 v3, v3, 0x1

    .line 190
    aget-char v3, p0, v3

    invoke-static {v3, v5}, Ljava/lang/Character;->digit(CI)I

    move-result v3

    shl-int/lit8 v4, v4, 0x4

    or-int/2addr v3, v4

    const/16 v4, 0x7f

    if-le v3, v4, :cond_27

    add-int/lit16 v3, v3, -0x100

    :cond_27
    int-to-byte v3, v3

    .line 199
    aput-byte v3, v1, v2

    add-int/lit8 v2, v2, 0x1

    goto :goto_a

    :cond_2d
    return-object v1
.end method