Md5Util.smali

.class public Lcom/cmcm/xiaobao/phone/commons/utils/Md5Util;
.super Ljava/lang/Object;


# static fields
.field private static final INT_LENGTH:I = 0x400


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

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

    return-void
.end method

.method public static encodeHex([B)Ljava/lang/String;
    .registers 6

    if-nez p0, :cond_4

    const/4 v0, 0x0

    :goto_3
    return-object v0

    :cond_4
    const-string/jumbo v0, "0123456789abcdef"

    array-length v1, p0

    new-instance v2, Ljava/lang/StringBuilder;

    mul-int/lit8 v0, v1, 0x2

    invoke-direct {v2, v0}, Ljava/lang/StringBuilder;-><init>(I)V

    const/4 v0, 0x0

    :goto_10
    if-ge v0, v1, :cond_33

    const-string/jumbo v3, "0123456789abcdef"

    aget-byte v4, p0, v0

    and-int/lit16 v4, v4, 0xf0

    ushr-int/lit8 v4, v4, 0x4

    invoke-virtual {v3, v4}, Ljava/lang/String;->charAt(I)C

    move-result v3

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

    const-string/jumbo v3, "0123456789abcdef"

    aget-byte v4, p0, v0

    and-int/lit8 v4, v4, 0xf

    invoke-virtual {v3, v4}, Ljava/lang/String;->charAt(I)C

    move-result v3

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

    add-int/lit8 v0, v0, 0x1

    goto :goto_10

    :cond_33
    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    goto :goto_3
.end method

.method public static getByteArrayMD5([B)Ljava/lang/String;
    .registers 3

    const/4 v0, 0x0

    if-nez p0, :cond_4

    :goto_3
    return-object v0

    :cond_4
    :try_start_4
    const-string/jumbo v1, "MD5"

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

    move-result-object v1

    invoke-virtual {v1, p0}, Ljava/security/MessageDigest;->update([B)V

    invoke-virtual {v1}, Ljava/security/MessageDigest;->digest()[B

    move-result-object v1

    invoke-static {v1}, Lcom/cmcm/xiaobao/phone/commons/utils/Md5Util;->encodeHex([B)Ljava/lang/String;
    :try_end_15
    .catch Ljava/lang/Exception; {:try_start_4 .. :try_end_15} :catch_17

    move-result-object v0

    goto :goto_3

    :catch_17
    move-exception v1

    goto :goto_3
.end method

.method public static getFileMD5(Ljava/io/File;)Ljava/lang/String;
    .registers 7

    const/4 v0, 0x0

    invoke-virtual {p0}, Ljava/io/File;->isFile()Z

    move-result v1

    if-nez v1, :cond_8

    :goto_7
    return-object v0

    :cond_8
    const/16 v1, 0x1000

    new-array v1, v1, [B

    :try_start_c
    const-string/jumbo v2, "MD5"

    invoke-static {v2}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v2

    new-instance v3, Ljava/io/FileInputStream;

    invoke-direct {v3, p0}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V

    :goto_18
    const/4 v4, 0x0

    array-length v5, v1

    invoke-virtual {v3, v1, v4, v5}, Ljava/io/FileInputStream;->read([BII)I

    move-result v4

    const/4 v5, -0x1

    if-eq v4, v5, :cond_28

    const/4 v5, 0x0

    invoke-virtual {v2, v1, v5, v4}, Ljava/security/MessageDigest;->update([BII)V

    goto :goto_18

    :catch_26
    move-exception v1

    goto :goto_7

    :cond_28
    invoke-virtual {v3}, Ljava/io/FileInputStream;->close()V
    :try_end_2b
    .catch Ljava/lang/Exception; {:try_start_c .. :try_end_2b} :catch_26

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

    move-result-object v0

    invoke-static {v0}, Lcom/cmcm/xiaobao/phone/commons/utils/Md5Util;->encodeHex([B)Ljava/lang/String;

    move-result-object v0

    goto :goto_7
.end method

.method public static getPackageNameMd5(Ljava/lang/String;)Ljava/lang/String;
    .registers 3

    if-nez p0, :cond_4

    const/4 v0, 0x0

    :goto_3
    return-object v0

    :cond_4
    new-instance v0, Ljava/lang/StringBuilder;

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

    invoke-virtual {v0, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string/jumbo v1, "ijinshan"

    invoke-virtual {v0, v1}, 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-static {v0}, Lcom/cmcm/xiaobao/phone/commons/utils/Md5Util;->getStringMd5(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    goto :goto_3
.end method

.method public static getStreamMD5(Ljava/io/InputStream;)Ljava/lang/String;
    .registers 6

    const/4 v0, 0x0

    const/16 v1, 0x400

    if-nez p0, :cond_6

    :goto_5
    return-object v0

    :cond_6
    new-array v1, v1, [B

    :try_start_8
    const-string/jumbo v2, "MD5"

    invoke-static {v2}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v2

    :goto_f
    const/4 v3, 0x0

    const/16 v4, 0x400

    invoke-virtual {p0, v1, v3, v4}, Ljava/io/InputStream;->read([BII)I

    move-result v3

    const/4 v4, -0x1

    if-eq v3, v4, :cond_20

    const/4 v4, 0x0

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

    goto :goto_f

    :catch_1e
    move-exception v1

    goto :goto_5

    :cond_20
    invoke-virtual {p0}, Ljava/io/InputStream;->close()V
    :try_end_23
    .catch Ljava/lang/Exception; {:try_start_8 .. :try_end_23} :catch_1e

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

    move-result-object v0

    invoke-static {v0}, Lcom/cmcm/xiaobao/phone/commons/utils/Md5Util;->encodeHex([B)Ljava/lang/String;

    move-result-object v0

    goto :goto_5
.end method

.method public static getStringMd5(Ljava/lang/String;)Ljava/lang/String;
    .registers 3

    :try_start_0
    const-string/jumbo v0, "MD5"

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

    move-result-object v0

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

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/security/MessageDigest;->update([B)V
    :try_end_e
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_e} :catch_17

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

    move-result-object v0

    invoke-static {v0}, Lcom/cmcm/xiaobao/phone/commons/utils/Md5Util;->encodeHex([B)Ljava/lang/String;

    move-result-object v0

    :goto_16
    return-object v0

    :catch_17
    move-exception v0

    const/4 v0, 0x0

    goto :goto_16
.end method