SignatureUtils.smali

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


# static fields
.field private static final HEX_DIGITS:[C


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

    const/16 v0, 0x10

    .line 1
    new-array v0, v0, [C

    fill-array-data v0, :array_a

    sput-object v0, Lio/rong/imlib/common/SignatureUtils;->HEX_DIGITS:[C

    return-void

    :array_a
    .array-data 2
        0x30s
        0x31s
        0x32s
        0x33s
        0x34s
        0x35s
        0x36s
        0x37s
        0x38s
        0x39s
        0x41s
        0x42s
        0x43s
        0x44s
        0x45s
        0x46s
    .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 bytes2HexString([B)Ljava/lang/String;
    .registers 7

    .line 1
    array-length v0, p0

    shl-int/lit8 v0, v0, 0x1

    new-array v0, v0, [C

    const/4 v1, 0x0

    const/4 v2, 0x0

    .line 2
    :goto_7
    array-length v3, p0

    if-ge v1, v3, :cond_25

    add-int/lit8 v3, v2, 0x1

    .line 3
    sget-object v4, Lio/rong/imlib/common/SignatureUtils;->HEX_DIGITS:[C

    aget-byte v5, p0, v1

    ushr-int/lit8 v5, v5, 0x4

    and-int/lit8 v5, v5, 0xf

    aget-char v5, v4, v5

    aput-char v5, v0, v2

    add-int/lit8 v2, v3, 0x1

    .line 4
    aget-byte v5, p0, v1

    and-int/lit8 v5, v5, 0xf

    aget-char v4, v4, v5

    aput-char v4, v0, v3

    add-int/lit8 v1, v1, 0x1

    goto :goto_7

    .line 5
    :cond_25
    new-instance p0, Ljava/lang/String;

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

    return-object p0
.end method

.method private static encryptAlgorithm([BLjava/lang/String;)[B
    .registers 2

    .line 1
    :try_start_0
    invoke-static {p1}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object p1

    .line 2
    invoke-virtual {p1, p0}, Ljava/security/MessageDigest;->update([B)V

    .line 3
    invoke-virtual {p1}, Ljava/security/MessageDigest;->digest()[B

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

    return-object p0

    :catch_c
    move-exception p0

    .line 4
    invoke-virtual {p0}, Ljava/security/NoSuchAlgorithmException;->printStackTrace()V

    const/4 p0, 0x0

    .line 5
    new-array p0, p0, [B

    return-object p0
.end method

.method public static encryptSHA1([B)[B
    .registers 2

    const-string v0, "SHA-1"

    .line 1
    invoke-static {p0, v0}, Lio/rong/imlib/common/SignatureUtils;->encryptAlgorithm([BLjava/lang/String;)[B

    move-result-object p0

    return-object p0
.end method

.method public static encryptSHA1ToString([B)Ljava/lang/String;
    .registers 1

    .line 1
    invoke-static {p0}, Lio/rong/imlib/common/SignatureUtils;->encryptSHA1([B)[B

    move-result-object p0

    invoke-static {p0}, Lio/rong/imlib/common/SignatureUtils;->bytes2HexString([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static getAppSignature(Landroid/content/Context;Ljava/lang/String;)[Landroid/content/pm/Signature;
    .registers 4
    .annotation build Landroid/annotation/SuppressLint;
        value = {
            "PackageManagerGetSignatures"
        }
    .end annotation

    .line 1
    invoke-static {p1}, Lio/rong/imlib/common/SignatureUtils;->isNullString(Ljava/lang/String;)Z

    move-result v0

    const/4 v1, 0x0

    if-eqz v0, :cond_8

    return-object v1

    .line 2
    :cond_8
    :try_start_8
    invoke-virtual {p0}, Landroid/content/Context;->getPackageManager()Landroid/content/pm/PackageManager;

    move-result-object p0

    const/16 v0, 0x40

    .line 3
    invoke-virtual {p0, p1, v0}, Landroid/content/pm/PackageManager;->getPackageInfo(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;

    move-result-object p0

    if-nez p0, :cond_15

    goto :goto_17

    .line 4
    :cond_15
    iget-object v1, p0, Landroid/content/pm/PackageInfo;->signatures:[Landroid/content/pm/Signature;
    :try_end_17
    .catch Landroid/content/pm/PackageManager$NameNotFoundException; {:try_start_8 .. :try_end_17} :catch_18

    :goto_17
    return-object v1

    :catch_18
    move-exception p0

    .line 5
    invoke-virtual {p0}, Landroid/content/pm/PackageManager$NameNotFoundException;->printStackTrace()V

    return-object v1
.end method

.method public static getAppSignatureSHA1(Landroid/content/Context;)Ljava/lang/String;
    .registers 2

    .line 4
    invoke-virtual {p0}, Landroid/content/Context;->getPackageName()Ljava/lang/String;

    move-result-object v0

    invoke-static {p0, v0}, Lio/rong/imlib/common/SignatureUtils;->getAppSignatureSHA1(Landroid/content/Context;Ljava/lang/String;)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static getAppSignatureSHA1(Landroid/content/Context;Ljava/lang/String;)Ljava/lang/String;
    .registers 3

    .line 1
    invoke-static {p0, p1}, Lio/rong/imlib/common/SignatureUtils;->getAppSignature(Landroid/content/Context;Ljava/lang/String;)[Landroid/content/pm/Signature;

    move-result-object p0

    if-nez p0, :cond_8

    const/4 p0, 0x0

    return-object p0

    :cond_8
    const/4 p1, 0x0

    .line 2
    aget-object p0, p0, p1

    invoke-virtual {p0}, Landroid/content/pm/Signature;->toByteArray()[B

    move-result-object p0

    invoke-static {p0}, Lio/rong/imlib/common/SignatureUtils;->encryptSHA1ToString([B)Ljava/lang/String;

    move-result-object p0

    const-string p1, "(?<=[0-9A-F]{2})[0-9A-F]{2}"

    const-string v0, ":$0"

    .line 3
    invoke-virtual {p0, p1, v0}, Ljava/lang/String;->replaceAll(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static getAppSignatureSHA1NoSign(Landroid/content/Context;)Ljava/lang/String;
    .registers 2

    .line 1
    invoke-virtual {p0}, Landroid/content/Context;->getPackageName()Ljava/lang/String;

    move-result-object v0

    invoke-static {p0, v0}, Lio/rong/imlib/common/SignatureUtils;->getAppSignature(Landroid/content/Context;Ljava/lang/String;)[Landroid/content/pm/Signature;

    move-result-object p0

    if-nez p0, :cond_c

    const/4 p0, 0x0

    return-object p0

    :cond_c
    const/4 v0, 0x0

    .line 2
    aget-object p0, p0, v0

    invoke-virtual {p0}, Landroid/content/pm/Signature;->toByteArray()[B

    move-result-object p0

    invoke-static {p0}, Lio/rong/imlib/common/SignatureUtils;->encryptSHA1ToString([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static isNullString(Ljava/lang/String;)Z
    .registers 2

    if-eqz p0, :cond_13

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

    move-result v0

    if-eqz v0, :cond_13

    const-string v0, "null"

    invoke-virtual {v0, p0}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result p0

    if-eqz p0, :cond_11

    goto :goto_13

    :cond_11
    const/4 p0, 0x0

    goto :goto_14

    :cond_13
    :goto_13
    const/4 p0, 0x1

    :goto_14
    return p0
.end method