MD5Utils.smali

.class public Lcom/bjz/comm/net/utils/MD5Utils;
.super Ljava/lang/Object;
.source "MD5Utils.java"


# static fields
.field protected static hexDigits:[C

.field protected static messagedigest:Ljava/security/MessageDigest;


# direct methods
.method static constructor <clinit>()V
    .registers 4

    .line 26
    const/16 v0, 0x10

    new-array v0, v0, [C

    fill-array-data v0, :array_38

    sput-object v0, Lcom/bjz/comm/net/utils/MD5Utils;->hexDigits:[C

    .line 28
    const/4 v0, 0x0

    sput-object v0, Lcom/bjz/comm/net/utils/MD5Utils;->messagedigest:Ljava/security/MessageDigest;

    .line 31
    :try_start_c
    const-string v0, "MD5"

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

    move-result-object v0

    sput-object v0, Lcom/bjz/comm/net/utils/MD5Utils;->messagedigest:Ljava/security/MessageDigest;
    :try_end_14
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_c .. :try_end_14} :catch_15

    .line 35
    goto :goto_36

    .line 32
    :catch_15
    move-exception v0

    .line 33
    .local v0, "nsaex":Ljava/security/NoSuchAlgorithmException;
    sget-object v1, Ljava/lang/System;->err:Ljava/io/PrintStream;

    new-instance v2, Ljava/lang/StringBuilder;

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

    const-class v3, Lcom/bjz/comm/net/utils/MD5Utils;

    invoke-virtual {v3}, Ljava/lang/Class;->getName()Ljava/lang/String;

    move-result-object v3

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

    const-string/jumbo v3, "\u521d\u59cb\u5316\u5931\u8d25\uff0cMessageDigest\u4e0d\u652f\u6301MD5Util\u3002"

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

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

    move-result-object v2

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

    .line 34
    invoke-virtual {v0}, Ljava/security/NoSuchAlgorithmException;->printStackTrace()V

    .line 36
    .end local v0    # "nsaex":Ljava/security/NoSuchAlgorithmException;
    :goto_36
    return-void

    nop

    :array_38
    .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 21
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method private static appendHexPair(BLjava/lang/StringBuffer;)V
    .registers 5
    .param p0, "bt"    # B
    .param p1, "stringbuffer"    # Ljava/lang/StringBuffer;

    .line 123
    sget-object v0, Lcom/bjz/comm/net/utils/MD5Utils;->hexDigits:[C

    and-int/lit16 v1, p0, 0xf0

    shr-int/lit8 v1, v1, 0x4

    aget-char v1, v0, v1

    .line 125
    .local v1, "c0":C
    and-int/lit8 v2, p0, 0xf

    aget-char v0, v0, v2

    .line 126
    .local v0, "c1":C
    invoke-virtual {p1, v1}, Ljava/lang/StringBuffer;->append(C)Ljava/lang/StringBuffer;

    .line 127
    invoke-virtual {p1, v0}, Ljava/lang/StringBuffer;->append(C)Ljava/lang/StringBuffer;

    .line 128
    return-void
.end method

.method private static bufferToHex([B)Ljava/lang/String;
    .registers 3
    .param p0, "bytes"    # [B

    .line 110
    array-length v0, p0

    const/4 v1, 0x0

    invoke-static {p0, v1, v0}, Lcom/bjz/comm/net/utils/MD5Utils;->bufferToHex([BII)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method private static bufferToHex([BII)Ljava/lang/String;
    .registers 7
    .param p0, "bytes"    # [B
    .param p1, "m"    # I
    .param p2, "n"    # I

    .line 114
    new-instance v0, Ljava/lang/StringBuffer;

    mul-int/lit8 v1, p2, 0x2

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

    .line 115
    .local v0, "stringbuffer":Ljava/lang/StringBuffer;
    add-int v1, p1, p2

    .line 116
    .local v1, "k":I
    move v2, p1

    .local v2, "l":I
    :goto_a
    if-ge v2, v1, :cond_14

    .line 117
    aget-byte v3, p0, v2

    invoke-static {v3, v0}, Lcom/bjz/comm/net/utils/MD5Utils;->appendHexPair(BLjava/lang/StringBuffer;)V

    .line 116
    add-int/lit8 v2, v2, 0x1

    goto :goto_a

    .line 119
    .end local v2    # "l":I
    :cond_14
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;

    move-result-object v2

    return-object v2
.end method

.method public static checkPassword(Ljava/lang/String;Ljava/lang/String;)Z
    .registers 4
    .param p0, "password"    # Ljava/lang/String;
    .param p1, "md5PwdStr"    # Ljava/lang/String;

    .line 58
    invoke-static {p0}, Lcom/bjz/comm/net/utils/MD5Utils;->getMD5String(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    .line 59
    .local v0, "s":Ljava/lang/String;
    invoke-virtual {v0, p1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    return v1
.end method

.method public static getFileMD5String(Ljava/io/File;)Ljava/lang/String;
    .registers 6
    .param p0, "file"    # Ljava/io/File;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 71
    new-instance v0, Ljava/io/FileInputStream;

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

    .line 72
    .local v0, "fis":Ljava/io/InputStream;
    const/16 v1, 0x400

    new-array v1, v1, [B

    .line 74
    .local v1, "buffer":[B
    const/4 v2, 0x0

    .line 75
    .local v2, "numRead":I
    :goto_a
    invoke-virtual {v0, v1}, Ljava/io/InputStream;->read([B)I

    move-result v3

    move v2, v3

    if-lez v3, :cond_18

    .line 76
    sget-object v3, Lcom/bjz/comm/net/utils/MD5Utils;->messagedigest:Ljava/security/MessageDigest;

    const/4 v4, 0x0

    invoke-virtual {v3, v1, v4, v2}, Ljava/security/MessageDigest;->update([BII)V

    goto :goto_a

    .line 79
    :cond_18
    invoke-virtual {v0}, Ljava/io/InputStream;->close()V

    .line 80
    sget-object v3, Lcom/bjz/comm/net/utils/MD5Utils;->messagedigest:Ljava/security/MessageDigest;

    invoke-virtual {v3}, Ljava/security/MessageDigest;->digest()[B

    move-result-object v3

    invoke-static {v3}, Lcom/bjz/comm/net/utils/MD5Utils;->bufferToHex([B)Ljava/lang/String;

    move-result-object v3

    return-object v3
.end method

.method public static getFileMD5String_old(Ljava/io/File;)Ljava/lang/String;
    .registers 9
    .param p0, "file"    # Ljava/io/File;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 96
    new-instance v0, Ljava/io/FileInputStream;

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

    .line 97
    .local v0, "in":Ljava/io/FileInputStream;
    invoke-virtual {v0}, Ljava/io/FileInputStream;->getChannel()Ljava/nio/channels/FileChannel;

    move-result-object v7

    .line 98
    .local v7, "ch":Ljava/nio/channels/FileChannel;
    sget-object v2, Ljava/nio/channels/FileChannel$MapMode;->READ_ONLY:Ljava/nio/channels/FileChannel$MapMode;

    invoke-virtual {p0}, Ljava/io/File;->length()J

    move-result-wide v5

    const-wide/16 v3, 0x0

    move-object v1, v7

    invoke-virtual/range {v1 .. v6}, Ljava/nio/channels/FileChannel;->map(Ljava/nio/channels/FileChannel$MapMode;JJ)Ljava/nio/MappedByteBuffer;

    move-result-object v1

    .line 99
    .local v1, "byteBuffer":Ljava/nio/MappedByteBuffer;
    sget-object v2, Lcom/bjz/comm/net/utils/MD5Utils;->messagedigest:Ljava/security/MessageDigest;

    invoke-virtual {v2, v1}, Ljava/security/MessageDigest;->update(Ljava/nio/ByteBuffer;)V

    .line 100
    invoke-virtual {v0}, Ljava/io/FileInputStream;->close()V

    .line 101
    sget-object v2, Lcom/bjz/comm/net/utils/MD5Utils;->messagedigest:Ljava/security/MessageDigest;

    invoke-virtual {v2}, Ljava/security/MessageDigest;->digest()[B

    move-result-object v2

    invoke-static {v2}, Lcom/bjz/comm/net/utils/MD5Utils;->bufferToHex([B)Ljava/lang/String;

    move-result-object v2

    return-object v2
.end method

.method public static getMD5String(Ljava/lang/String;)Ljava/lang/String;
    .registers 2
    .param p0, "s"    # Ljava/lang/String;

    .line 45
    invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B

    move-result-object v0

    invoke-static {v0}, Lcom/bjz/comm/net/utils/MD5Utils;->getMD5String([B)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static getMD5String([B)Ljava/lang/String;
    .registers 2
    .param p0, "bytes"    # [B

    .line 105
    sget-object v0, Lcom/bjz/comm/net/utils/MD5Utils;->messagedigest:Ljava/security/MessageDigest;

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

    .line 106
    sget-object v0, Lcom/bjz/comm/net/utils/MD5Utils;->messagedigest:Ljava/security/MessageDigest;

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

    move-result-object v0

    invoke-static {v0}, Lcom/bjz/comm/net/utils/MD5Utils;->bufferToHex([B)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static main([Ljava/lang/String;)V
    .registers 13
    .param p0, "args"    # [Ljava/lang/String;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 131
    invoke-static {}, Ljava/lang/System;->currentTimeMillis()J

    move-result-wide v0

    .line 133
    .local v0, "begin":J
    new-instance v2, Ljava/io/File;

    const-string v3, "C:/test.txt"

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

    .line 134
    .local v2, "file":Ljava/io/File;
    invoke-virtual {v2}, Ljava/io/File;->exists()Z

    move-result v3

    if-nez v3, :cond_19

    .line 135
    sget-object v3, Ljava/lang/System;->out:Ljava/io/PrintStream;

    const-string/jumbo v4, "\u4e0d\u5b58\u5728"

    invoke-virtual {v3, v4}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 137
    :cond_19
    invoke-static {v2}, Lcom/bjz/comm/net/utils/MD5Utils;->getFileMD5String(Ljava/io/File;)Ljava/lang/String;

    move-result-object v3

    .line 141
    .local v3, "md5":Ljava/lang/String;
    invoke-static {}, Ljava/lang/System;->currentTimeMillis()J

    move-result-wide v4

    .line 142
    .local v4, "end":J
    sget-object v6, Ljava/lang/System;->out:Ljava/io/PrintStream;

    new-instance v7, Ljava/lang/StringBuilder;

    invoke-direct {v7}, Ljava/lang/StringBuilder;-><init>()V

    const-string v8, "md5:"

    invoke-virtual {v7, v8}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v7, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string v8, " time:"

    invoke-virtual {v7, v8}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    sub-long v8, v4, v0

    const-wide/16 v10, 0x3e8

    div-long/2addr v8, v10

    invoke-virtual {v7, v8, v9}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder;

    const-string v8, "s"

    invoke-virtual {v7, v8}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v7}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v7

    invoke-virtual {v6, v7}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 143
    sget-object v6, Ljava/lang/System;->out:Ljava/io/PrintStream;

    invoke-virtual {v2}, Ljava/io/File;->getPath()Ljava/lang/String;

    move-result-object v7

    invoke-virtual {v6, v7}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V

    .line 144
    return-void
.end method