a.smali

.class public Lio/dcloud/ep/a;
.super Ljava/lang/Object;


# direct methods
.method public static a(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    .registers 4
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0,
            0x0,
            0x0
        }
        names = {
            "content",
            "password",
            "iv"
        }
    .end annotation

    const/4 v0, 0x0

    .line 24
    :try_start_1
    invoke-static {p0}, Lio/dcloud/ep/a;->b(Ljava/lang/String;)[B

    move-result-object p0
    :try_end_5
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_5} :catch_6

    goto :goto_b

    :catch_6
    move-exception p0

    .line 26
    invoke-virtual {p0}, Ljava/lang/Exception;->printStackTrace()V

    move-object p0, v0

    .line 28
    :goto_b
    invoke-static {p0, p1, p2}, Lio/dcloud/ep/a;->a([BLjava/lang/String;Ljava/lang/String;)[B

    move-result-object p0

    if-nez p0, :cond_12

    return-object v0

    .line 33
    :cond_12
    :try_start_12
    new-instance p1, Ljava/lang/String;

    const-string p2, "UTF-8"

    invoke-direct {p1, p0, p2}, Ljava/lang/String;-><init>([BLjava/lang/String;)V
    :try_end_19
    .catch Ljava/io/UnsupportedEncodingException; {:try_start_12 .. :try_end_19} :catch_1b

    move-object v0, p1

    goto :goto_1f

    :catch_1b
    move-exception p0

    .line 35
    invoke-virtual {p0}, Ljava/io/UnsupportedEncodingException;->printStackTrace()V

    :goto_1f
    return-object v0
.end method

.method public static a([B)Ljava/lang/String;
    .registers 6
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0
        }
        names = {
            "b"
        }
    .end annotation

    .line 36
    new-instance v0, Ljava/lang/StringBuffer;

    array-length v1, p0

    mul-int/lit8 v1, v1, 0x2

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

    const/4 v1, 0x0

    .line 38
    :goto_9
    array-length v2, p0

    if-ge v1, v2, :cond_26

    .line 40
    aget-byte v2, p0, v1

    and-int/lit16 v2, v2, 0xff

    invoke-static {v2}, Ljava/lang/Integer;->toHexString(I)Ljava/lang/String;

    move-result-object v2

    .line 41
    invoke-virtual {v2}, Ljava/lang/String;->length()I

    move-result v3

    const/4 v4, 0x1

    if-ne v3, v4, :cond_20

    const-string v3, "0"

    .line 42
    invoke-virtual {v0, v3}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;

    .line 44
    :cond_20
    invoke-virtual {v0, v2}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;

    add-int/lit8 v1, v1, 0x1

    goto :goto_9

    .line 46
    :cond_26
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;

    move-result-object p0

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

    move-result-object p0

    return-object p0
.end method

.method private static a(Ljava/lang/String;)Ljavax/crypto/spec/IvParameterSpec;
    .registers 3
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0
        }
        names = {
            "password"
        }
    .end annotation

    if-nez p0, :cond_4

    const-string p0, ""

    .line 1
    :cond_4
    new-instance v0, Ljava/lang/StringBuffer;

    const/16 v1, 0x10

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

    .line 2
    invoke-virtual {v0, p0}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;

    .line 3
    :goto_e
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->length()I

    move-result p0

    if-ge p0, v1, :cond_1a

    const-string p0, "0"

    .line 4
    invoke-virtual {v0, p0}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;

    goto :goto_e

    .line 6
    :cond_1a
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->length()I

    move-result p0

    if-le p0, v1, :cond_23

    .line 7
    invoke-virtual {v0, v1}, Ljava/lang/StringBuffer;->setLength(I)V

    .line 11
    :cond_23
    :try_start_23
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;

    move-result-object p0

    const-string v0, "UTF-8"

    invoke-virtual {p0, v0}, Ljava/lang/String;->getBytes(Ljava/lang/String;)[B

    move-result-object p0
    :try_end_2d
    .catch Ljava/io/UnsupportedEncodingException; {:try_start_23 .. :try_end_2d} :catch_2e

    goto :goto_33

    :catch_2e
    move-exception p0

    .line 13
    invoke-virtual {p0}, Ljava/io/UnsupportedEncodingException;->printStackTrace()V

    const/4 p0, 0x0

    .line 15
    :goto_33
    new-instance v0, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v0, p0}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    return-object v0
.end method

.method public static a([BLjava/lang/String;Ljava/lang/String;)[B
    .registers 5
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0,
            0x0,
            0x0
        }
        names = {
            "content",
            "password",
            "iv"
        }
    .end annotation

    .line 16
    :try_start_0
    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    invoke-virtual {p1}, Ljava/lang/String;->getBytes()[B

    move-result-object p1

    const-string v1, "AES"

    invoke-direct {v0, p1, v1}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    const-string p1, "AES/CBC/PKCS5Padding"

    .line 17
    invoke-static {p1}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object p1

    const/4 v1, 0x2

    .line 18
    invoke-static {p2}, Lio/dcloud/ep/a;->a(Ljava/lang/String;)Ljavax/crypto/spec/IvParameterSpec;

    move-result-object p2

    invoke-virtual {p1, v1, v0, p2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    .line 19
    invoke-virtual {p1, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p0
    :try_end_1d
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_1d} :catch_1e

    return-object p0

    :catch_1e
    move-exception p0

    .line 23
    invoke-virtual {p0}, Ljava/lang/Exception;->printStackTrace()V

    const/4 p0, 0x0

    return-object p0
.end method

.method public static b(Ljava/lang/String;)[B
    .registers 6
    .annotation system Ldalvik/annotation/MethodParameters;
        accessFlags = {
            0x0
        }
        names = {
            "inputString"
        }
    .end annotation

    const/4 v0, 0x0

    if-eqz p0, :cond_31

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

    move-result v1

    const/4 v2, 0x2

    if-ge v1, v2, :cond_b

    goto :goto_31

    .line 4
    :cond_b
    sget-object v1, Ljava/util/Locale;->ENGLISH:Ljava/util/Locale;

    invoke-virtual {p0, v1}, Ljava/lang/String;->toLowerCase(Ljava/util/Locale;)Ljava/lang/String;

    move-result-object p0

    .line 5
    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result v1

    div-int/2addr v1, v2

    .line 6
    new-array v2, v1, [B

    :goto_18
    if-ge v0, v1, :cond_30

    mul-int/lit8 v3, v0, 0x2

    add-int/lit8 v4, v3, 0x2

    .line 8
    invoke-virtual {p0, v3, v4}, Ljava/lang/String;->substring(II)Ljava/lang/String;

    move-result-object v3

    const/16 v4, 0x10

    .line 9
    invoke-static {v3, v4}, Ljava/lang/Integer;->parseInt(Ljava/lang/String;I)I

    move-result v3

    and-int/lit16 v3, v3, 0xff

    int-to-byte v3, v3

    aput-byte v3, v2, v0

    add-int/lit8 v0, v0, 0x1

    goto :goto_18

    :cond_30
    return-object v2

    :cond_31
    :goto_31
    new-array p0, v0, [B

    return-object p0
.end method