k.smali

.class public abstract Lcom/baidu/techain/v/k;
.super Ljava/lang/Object;


# direct methods
.method public static a(Ljava/lang/String;)Ljava/lang/String;
    .registers 8

    const/4 v6, 0x4

    const/4 v1, 0x0

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

    move-result v0

    if-nez v0, :cond_e

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

    move-result v0

    if-gt v0, v6, :cond_f

    :cond_e
    return-object p0

    :cond_f
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v2

    move v0, v1

    :goto_14
    if-ge v0, v6, :cond_e

    add-int/lit8 v3, v2, -0x1

    invoke-virtual {p0, v1, v3}, Ljava/lang/String;->substring(II)Ljava/lang/String;

    move-result-object v3

    new-instance v4, Ljava/lang/StringBuilder;

    invoke-direct {v4}, Ljava/lang/StringBuilder;-><init>()V

    add-int/lit8 v5, v2, -0x1

    invoke-virtual {p0, v5}, Ljava/lang/String;->substring(I)Ljava/lang/String;

    move-result-object v5

    invoke-virtual {v4, v5}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v4

    invoke-virtual {v4, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v3

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

    move-result-object p0

    add-int/lit8 v0, v0, 0x1

    goto :goto_14
.end method

.method public static a(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    .registers 14

    invoke-static {p0}, Lcom/baidu/techain/v/f;->a(Ljava/lang/String;)[B

    move-result-object v2

    invoke-static {p1}, Lcom/baidu/techain/v/f;->a(Ljava/lang/String;)[B

    move-result-object v3

    invoke-static {p2}, Lcom/baidu/techain/v/f;->a(Ljava/lang/String;)[B

    move-result-object v4

    invoke-static {p3}, Lcom/baidu/techain/v/f;->a(Ljava/lang/String;)[B

    move-result-object v5

    array-length v0, v2

    array-length v1, v3

    if-le v0, v1, :cond_15

    array-length v0, v3

    :cond_15
    array-length v1, v4

    if-le v0, v1, :cond_19

    array-length v0, v4

    :cond_19
    array-length v1, v5

    if-le v0, v1, :cond_1d

    array-length v0, v5

    :cond_1d
    new-array v6, v0, [C

    const/4 v1, 0x0

    :goto_20
    if-ge v1, v0, :cond_33

    aget-byte v7, v2, v1

    aget-byte v8, v3, v1

    xor-int/2addr v7, v8

    aget-byte v8, v4, v1

    xor-int/2addr v7, v8

    aget-byte v8, v5, v1

    xor-int/2addr v7, v8

    int-to-char v7, v7

    aput-char v7, v6, v1

    add-int/lit8 v1, v1, 0x1

    goto :goto_20

    :cond_33
    invoke-static {p4}, Lcom/baidu/techain/v/f;->a(Ljava/lang/String;)[B

    move-result-object v0

    invoke-static {v6, v0}, Lcom/baidu/techain/v/k;->a([C[B)Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

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

    :try_start_0
    new-instance v0, Ljavax/crypto/spec/PBEKeySpec;

    const/16 v1, 0x2710

    const/16 v2, 0x80

    invoke-direct {v0, p0, p1, v1, v2}, Ljavax/crypto/spec/PBEKeySpec;-><init>([C[BII)V

    const-string v1, "PBKDF2WithHmacSHA1"

    invoke-static {v1}, Ljavax/crypto/SecretKeyFactory;->getInstance(Ljava/lang/String;)Ljavax/crypto/SecretKeyFactory;

    move-result-object v1

    invoke-virtual {v1, v0}, Ljavax/crypto/SecretKeyFactory;->generateSecret(Ljava/security/spec/KeySpec;)Ljavax/crypto/SecretKey;

    move-result-object v0

    invoke-interface {v0}, Ljavax/crypto/SecretKey;->getEncoded()[B

    move-result-object v0

    invoke-static {v0}, Lcom/baidu/techain/v/f;->a([B)Ljava/lang/String;
    :try_end_1a
    .catch Ljava/security/spec/InvalidKeySpecException; {:try_start_0 .. :try_end_1a} :catch_1c
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_1a} :catch_26

    move-result-object v0

    :goto_1b
    return-object v0

    :catch_1c
    move-exception v0

    const-string v0, "HiAnalytics"

    const-string v1, "encryptPBKDF2 InvalidKeySpecException"

    invoke-static {v0, v1}, Lcom/baidu/techain/s/b;->d(Ljava/lang/String;Ljava/lang/String;)V

    :goto_24
    const/4 v0, 0x0

    goto :goto_1b

    :catch_26
    move-exception v0

    const-string v0, "HiAnalytics"

    const-string v1, "encryptPBKDF2 NoSuchAlgorithmException"

    invoke-static {v0, v1}, Lcom/baidu/techain/s/b;->d(Ljava/lang/String;Ljava/lang/String;)V

    goto :goto_24
.end method

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

    const-string v0, ""

    :try_start_2
    const-string v1, "SHA-256"

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

    move-result-object v1

    const-string v2, "UTF-8"

    invoke-virtual {p0, v2}, Ljava/lang/String;->getBytes(Ljava/lang/String;)[B

    move-result-object v2

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

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

    move-result-object v1

    invoke-static {v1}, Lcom/baidu/techain/v/f;->a([B)Ljava/lang/String;
    :try_end_18
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_2 .. :try_end_18} :catch_1a
    .catch Ljava/io/UnsupportedEncodingException; {:try_start_2 .. :try_end_18} :catch_23

    move-result-object v0

    :goto_19
    return-object v0

    :catch_1a
    move-exception v1

    const-string v1, "HiStringUtils"

    const-string v2, "getSHA256StrJava, getInstance Exception"

    invoke-static {v1, v2}, Lcom/baidu/techain/s/b;->d(Ljava/lang/String;Ljava/lang/String;)V

    goto :goto_19

    :catch_23
    move-exception v1

    const-string v1, "HiStringUtils"

    const-string v2, "getSHA256StrJava, update Exception "

    invoke-static {v1, v2}, Lcom/baidu/techain/s/b;->d(Ljava/lang/String;Ljava/lang/String;)V

    goto :goto_19
.end method