MD5.smali

.class public Lio/rong/imlib/MD5;
.super Ljava/lang/Object;
.source "MD5.java"


# static fields
.field private static final TAG:Ljava/lang/String; = "MD5"

.field private static final strDigits:[Ljava/lang/String;


# direct methods
.method static constructor <clinit>()V
    .registers 3

    const/16 v0, 0x10

    .line 1
    new-array v0, v0, [Ljava/lang/String;

    const/4 v1, 0x0

    const-string v2, "0"

    aput-object v2, v0, v1

    const/4 v1, 0x1

    const-string v2, "1"

    aput-object v2, v0, v1

    const/4 v1, 0x2

    const-string v2, "2"

    aput-object v2, v0, v1

    const/4 v1, 0x3

    const-string v2, "3"

    aput-object v2, v0, v1

    const/4 v1, 0x4

    const-string v2, "4"

    aput-object v2, v0, v1

    const/4 v1, 0x5

    const-string v2, "5"

    aput-object v2, v0, v1

    const/4 v1, 0x6

    const-string v2, "6"

    aput-object v2, v0, v1

    const/4 v1, 0x7

    const-string v2, "7"

    aput-object v2, v0, v1

    const/16 v1, 0x8

    const-string v2, "8"

    aput-object v2, v0, v1

    const/16 v1, 0x9

    const-string v2, "9"

    aput-object v2, v0, v1

    const/16 v1, 0xa

    const-string v2, "A"

    aput-object v2, v0, v1

    const/16 v1, 0xb

    const-string v2, "B"

    aput-object v2, v0, v1

    const/16 v1, 0xc

    const-string v2, "C"

    aput-object v2, v0, v1

    const/16 v1, 0xd

    const-string v2, "D"

    aput-object v2, v0, v1

    const/16 v1, 0xe

    const-string v2, "E"

    aput-object v2, v0, v1

    const/16 v1, 0xf

    const-string v2, "F"

    aput-object v2, v0, v1

    sput-object v0, Lio/rong/imlib/MD5;->strDigits:[Ljava/lang/String;

    return-void
.end method

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

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

    return-void
.end method

.method private static byteToArrayString(B)Ljava/lang/String;
    .registers 4

    if-gez p0, :cond_4

    add-int/lit16 p0, p0, 0x100

    .line 1
    :cond_4
    div-int/lit8 v0, p0, 0x10

    .line 2
    rem-int/lit8 p0, p0, 0x10

    .line 3
    new-instance v1, Ljava/lang/StringBuilder;

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

    sget-object v2, Lio/rong/imlib/MD5;->strDigits:[Ljava/lang/String;

    aget-object v0, v2, v0

    invoke-virtual {v1, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    sget-object v0, Lio/rong/imlib/MD5;->strDigits:[Ljava/lang/String;

    aget-object p0, v0, p0

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

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

    move-result-object p0

    return-object p0
.end method

.method private static byteToString([B)Ljava/lang/String;
    .registers 5

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

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

    .line 2
    array-length v1, p0

    const/4 v2, 0x0

    :goto_7
    if-ge v2, v1, :cond_15

    aget-byte v3, p0, v2

    .line 3
    invoke-static {v3}, Lio/rong/imlib/MD5;->byteToArrayString(B)Ljava/lang/String;

    move-result-object v3

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

    add-int/lit8 v2, v2, 0x1

    goto :goto_7

    .line 4
    :cond_15
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static encrypt(Ljava/lang/String;)Ljava/lang/String;
    .registers 4

    const-string v0, "MD5"

    .line 1
    :try_start_2
    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v1

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

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/security/MessageDigest;->digest([B)[B

    move-result-object v1

    invoke-static {v1}, Lio/rong/imlib/MD5;->byteToString([B)Ljava/lang/String;

    move-result-object p0
    :try_end_12
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_2 .. :try_end_12} :catch_13

    goto :goto_19

    :catch_13
    move-exception v1

    const-string v2, "encrypt"

    .line 3
    invoke-static {v0, v2, v1}, Lio/rong/common/RLog;->e(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    :goto_19
    return-object p0
.end method

.method public static encrypt(Ljava/lang/String;Z)Ljava/lang/String;
    .registers 5

    const-string v0, "MD5"

    .line 4
    :try_start_2
    invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object v1

    .line 5
    invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B

    move-result-object v2

    invoke-virtual {v1, v2}, Ljava/security/MessageDigest;->digest([B)[B

    move-result-object v1

    invoke-static {v1}, Lio/rong/imlib/MD5;->byteToString([B)Ljava/lang/String;

    move-result-object p0

    if-eqz p1, :cond_1f

    .line 6
    invoke-virtual {p0}, Ljava/lang/String;->toLowerCase()Ljava/lang/String;

    move-result-object p0
    :try_end_18
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_2 .. :try_end_18} :catch_19

    goto :goto_1f

    :catch_19
    move-exception p1

    const-string v1, "encrypt"

    .line 7
    invoke-static {v0, v1, p1}, Lio/rong/common/RLog;->e(Ljava/lang/String;Ljava/lang/String;Ljava/lang/Throwable;)I

    :cond_1f
    :goto_1f
    return-object p0
.end method