Md5Utils.smali

.class public Lio/dcloud/common/util/Md5Utils;
.super Ljava/lang/Object;


# static fields
.field public static final ALGORITHM:Ljava/lang/String; = "MD5"

.field public static final DEFAULT_CHARSET:Ljava/lang/String; = "UTF-8"

.field private static final HEX:[C

.field private static final HEX_LOWER_CASE:[C


# direct methods
.method static constructor <clinit>()V
    .registers 2

    const/16 v0, 0x10

    new-array v1, v0, [C

    .line 1
    fill-array-data v1, :array_12

    sput-object v1, Lio/dcloud/common/util/Md5Utils;->HEX:[C

    new-array v0, v0, [C

    .line 2
    fill-array-data v0, :array_26

    sput-object v0, Lio/dcloud/common/util/Md5Utils;->HEX_LOWER_CASE:[C

    return-void

    nop

    :array_12
    .array-data 2
        0x30s
        0x31s
        0x32s
        0x33s
        0x34s
        0x35s
        0x36s
        0x37s
        0x38s
        0x39s
        0x41s
        0x42s
        0x43s
        0x44s
        0x45s
        0x46s
    .end array-data

    :array_26
    .array-data 2
        0x30s
        0x31s
        0x32s
        0x33s
        0x34s
        0x35s
        0x36s
        0x37s
        0x38s
        0x39s
        0x61s
        0x62s
        0x63s
        0x64s
        0x65s
        0x66s
    .end array-data
.end method

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

    .line 1
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static md5(Ljava/io/File;)Ljava/lang/String;
    .registers 2

    const-string v0, "MD5"

    .line 11
    invoke-static {p0, v0}, Lio/dcloud/common/util/Md5Utils;->md5(Ljava/io/File;Ljava/lang/String;)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static md5(Ljava/io/File;Ljava/lang/String;)Ljava/lang/String;
    .registers 6

    const/16 v0, 0x400

    new-array v0, v0, [B

    const/4 v1, 0x0

    .line 17
    :try_start_5
    invoke-static {}, Lio/dcloud/application/DCLoudApplicationImpl;->self()Lio/dcloud/application/DCLoudApplicationImpl;

    move-result-object v2

    invoke-virtual {v2}, Lio/dcloud/application/DCLoudApplicationImpl;->getContext()Landroid/content/Context;

    move-result-object v2

    invoke-virtual {p0}, Ljava/io/File;->getPath()Ljava/lang/String;

    move-result-object v3

    invoke-static {v2, v3}, Lio/dcloud/common/util/FileUtil;->checkPrivatePath(Landroid/content/Context;Ljava/lang/String;)Z

    move-result v2

    if-eqz v2, :cond_1d

    .line 18
    new-instance v2, Ljava/io/FileInputStream;

    invoke-direct {v2, p0}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V

    goto :goto_29

    .line 20
    :cond_1d
    invoke-static {}, Lio/dcloud/application/DCLoudApplicationImpl;->self()Lio/dcloud/application/DCLoudApplicationImpl;

    move-result-object v2

    invoke-virtual {v2}, Lio/dcloud/application/DCLoudApplicationImpl;->getContext()Landroid/content/Context;

    move-result-object v2

    invoke-static {v2, p0}, Lio/dcloud/common/util/FileUtil;->getFileInputStream(Landroid/content/Context;Ljava/io/File;)Ljava/io/InputStream;

    move-result-object v2
    :try_end_29
    .catch Ljava/lang/Exception; {:try_start_5 .. :try_end_29} :catch_4d
    .catchall {:try_start_5 .. :try_end_29} :catchall_4b

    .line 22
    :goto_29
    :try_start_29
    invoke-static {p1}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object p0

    .line 23
    :goto_2d
    invoke-virtual {v2, v0}, Ljava/io/InputStream;->read([B)I

    move-result p1

    if-lez p1, :cond_38

    const/4 v3, 0x0

    .line 24
    invoke-virtual {p0, v0, v3, p1}, Ljava/security/MessageDigest;->update([BII)V

    goto :goto_2d

    .line 27
    :cond_38
    invoke-virtual {p0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object p0

    invoke-static {p0}, Lio/dcloud/common/util/Md5Utils;->toHex([B)Ljava/lang/String;

    move-result-object p0
    :try_end_40
    .catch Ljava/lang/Exception; {:try_start_29 .. :try_end_40} :catch_49
    .catchall {:try_start_29 .. :try_end_40} :catchall_5d

    .line 33
    :try_start_40
    invoke-virtual {v2}, Ljava/io/InputStream;->close()V
    :try_end_43
    .catch Ljava/io/IOException; {:try_start_40 .. :try_end_43} :catch_44

    goto :goto_48

    :catch_44
    move-exception p1

    .line 35
    invoke-virtual {p1}, Ljava/io/IOException;->printStackTrace()V

    :goto_48
    return-object p0

    :catch_49
    move-exception p0

    goto :goto_4f

    :catchall_4b
    move-exception p0

    goto :goto_5f

    :catch_4d
    move-exception p0

    move-object v2, v1

    .line 36
    :goto_4f
    :try_start_4f
    invoke-virtual {p0}, Ljava/lang/Exception;->printStackTrace()V
    :try_end_52
    .catchall {:try_start_4f .. :try_end_52} :catchall_5d

    if-eqz v2, :cond_5c

    .line 40
    :try_start_54
    invoke-virtual {v2}, Ljava/io/InputStream;->close()V
    :try_end_57
    .catch Ljava/io/IOException; {:try_start_54 .. :try_end_57} :catch_58

    goto :goto_5c

    :catch_58
    move-exception p0

    .line 42
    invoke-virtual {p0}, Ljava/io/IOException;->printStackTrace()V

    :cond_5c
    :goto_5c
    return-object v1

    :catchall_5d
    move-exception p0

    move-object v1, v2

    :goto_5f
    if-eqz v1, :cond_69

    .line 43
    :try_start_61
    invoke-virtual {v1}, Ljava/io/InputStream;->close()V
    :try_end_64
    .catch Ljava/io/IOException; {:try_start_61 .. :try_end_64} :catch_65

    goto :goto_69

    :catch_65
    move-exception p1

    .line 45
    invoke-virtual {p1}, Ljava/io/IOException;->printStackTrace()V

    .line 48
    :cond_69
    :goto_69
    throw p0
.end method

.method public static md5(Ljava/lang/String;)Ljava/lang/String;
    .registers 3

    :try_start_0
    const-string v0, "MD5"

    .line 1
    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v0

    const-string v1, "UTF-8"

    .line 2
    invoke-virtual {p0, v1}, Ljava/lang/String;->getBytes(Ljava/lang/String;)[B

    move-result-object v1

    .line 3
    invoke-virtual {v0, v1}, Ljava/security/MessageDigest;->update([B)V

    .line 5
    invoke-virtual {v0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object v0

    .line 6
    invoke-static {v0}, Lio/dcloud/common/util/Md5Utils;->toHex([B)Ljava/lang/String;

    move-result-object p0
    :try_end_17
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_17} :catch_17
    .catch Ljava/io/UnsupportedEncodingException; {:try_start_0 .. :try_end_17} :catch_17
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_17} :catch_17

    :catch_17
    return-object p0
.end method

.method public static md5([B)Ljava/lang/String;
    .registers 2

    :try_start_0
    const-string v0, "MD5"

    .line 7
    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v0

    .line 8
    invoke-virtual {v0, p0}, Ljava/security/MessageDigest;->update([B)V

    .line 9
    invoke-virtual {v0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object p0

    .line 10
    invoke-static {p0}, Lio/dcloud/common/util/Md5Utils;->toHex([B)Ljava/lang/String;

    move-result-object p0
    :try_end_11
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_11} :catch_12

    return-object p0

    :catch_12
    const-string p0, ""

    return-object p0
.end method

.method public static md5LowerCase(Ljava/lang/String;)Ljava/lang/String;
    .registers 3

    .line 1
    invoke-static {p0}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v0

    if-eqz v0, :cond_9

    const-string p0, ""

    return-object p0

    :cond_9
    :try_start_9
    const-string v0, "MD5"

    .line 5
    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v0

    const-string v1, "UTF-8"

    .line 6
    invoke-virtual {p0, v1}, Ljava/lang/String;->getBytes(Ljava/lang/String;)[B

    move-result-object v1

    .line 7
    invoke-virtual {v0, v1}, Ljava/security/MessageDigest;->update([B)V

    .line 8
    invoke-virtual {v0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object v0

    .line 9
    invoke-static {v0}, Lio/dcloud/common/util/Md5Utils;->toLowerCaseHex([B)Ljava/lang/String;

    move-result-object p0
    :try_end_20
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_9 .. :try_end_20} :catch_20
    .catch Ljava/io/UnsupportedEncodingException; {:try_start_9 .. :try_end_20} :catch_20
    .catch Ljava/lang/Exception; {:try_start_9 .. :try_end_20} :catch_20

    :catch_20
    return-object p0
.end method

.method public static md5LowerCase32Bit(Ljava/lang/String;)Ljava/lang/String;
    .registers 9

    .line 1
    :try_start_0
    invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B

    move-result-object p0

    const-string v0, "MD5"

    .line 3
    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v0

    .line 5
    invoke-virtual {v0, p0}, Ljava/security/MessageDigest;->update([B)V

    .line 7
    invoke-virtual {v0}, Ljava/security/MessageDigest;->digest()[B

    move-result-object p0

    .line 9
    array-length v0, p0

    mul-int/lit8 v1, v0, 0x2

    .line 10
    new-array v1, v1, [C

    const/4 v2, 0x0

    move v3, v2

    :goto_18
    if-ge v2, v0, :cond_33

    .line 13
    aget-byte v4, p0, v2

    add-int/lit8 v5, v3, 0x1

    .line 14
    sget-object v6, Lio/dcloud/common/util/Md5Utils;->HEX:[C

    ushr-int/lit8 v7, v4, 0x4

    and-int/lit8 v7, v7, 0xf

    aget-char v7, v6, v7

    aput-char v7, v1, v3

    add-int/lit8 v3, v5, 0x1

    and-int/lit8 v4, v4, 0xf

    .line 15
    aget-char v4, v6, v4

    aput-char v4, v1, v5

    add-int/lit8 v2, v2, 0x1

    goto :goto_18

    .line 17
    :cond_33
    new-instance p0, Ljava/lang/String;

    invoke-direct {p0, v1}, Ljava/lang/String;-><init>([C)V
    :try_end_38
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_38} :catch_39

    return-object p0

    :catch_39
    move-exception p0

    .line 19
    invoke-virtual {p0}, Ljava/lang/Exception;->printStackTrace()V

    const-string p0, ""

    return-object p0
.end method

.method private static toHex([B)Ljava/lang/String;
    .registers 7

    .line 1
    new-instance v0, Ljava/lang/StringBuilder;

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

    .line 2
    array-length v1, p0

    const/4 v2, 0x0

    :goto_7
    if-ge v2, v1, :cond_20

    aget-byte v3, p0, v2

    .line 3
    sget-object v4, Lio/dcloud/common/util/Md5Utils;->HEX:[C

    and-int/lit16 v5, v3, 0xf0

    shr-int/lit8 v5, v5, 0x4

    aget-char v5, v4, v5

    invoke-virtual {v0, v5}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    and-int/lit8 v3, v3, 0xf

    .line 4
    aget-char v3, v4, v3

    invoke-virtual {v0, v3}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    add-int/lit8 v2, v2, 0x1

    goto :goto_7

    .line 6
    :cond_20
    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method private static toLowerCaseHex([B)Ljava/lang/String;
    .registers 7

    .line 1
    new-instance v0, Ljava/lang/StringBuilder;

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

    .line 2
    array-length v1, p0

    const/4 v2, 0x0

    :goto_7
    if-ge v2, v1, :cond_20

    aget-byte v3, p0, v2

    .line 3
    sget-object v4, Lio/dcloud/common/util/Md5Utils;->HEX_LOWER_CASE:[C

    and-int/lit16 v5, v3, 0xf0

    shr-int/lit8 v5, v5, 0x4

    aget-char v5, v4, v5

    invoke-virtual {v0, v5}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    and-int/lit8 v3, v3, 0xf

    .line 4
    aget-char v3, v4, v3

    invoke-virtual {v0, v3}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;

    add-int/lit8 v2, v2, 0x1

    goto :goto_7

    .line 6
    :cond_20
    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static verifyFileMd5(Ljava/lang/String;Ljava/lang/String;)Z
    .registers 3

    .line 1
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v0

    if-lez v0, :cond_1b

    .line 2
    new-instance v0, Ljava/io/File;

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

    invoke-static {v0}, Lio/dcloud/common/util/Md5Utils;->md5(Ljava/io/File;)Ljava/lang/String;

    move-result-object p0

    if-eqz p0, :cond_1b

    if-eqz p1, :cond_1b

    .line 3
    invoke-virtual {p0, p1}, Ljava/lang/String;->compareToIgnoreCase(Ljava/lang/String;)I

    move-result p0

    if-nez p0, :cond_1b

    const/4 p0, 0x1

    return p0

    :cond_1b
    const/4 p0, 0x0

    return p0
.end method