gw.smali

.class public Lcom/inmobi/media/gw;
.super Ljava/lang/Object;


# static fields
.field private static a:Ljava/lang/String; = "AES"

.field private static b:Ljava/lang/String; = "AES/CBC/PKCS7Padding"

.field private static c:[B


# direct methods
.method static constructor <clinit>()V
    .registers 0

    return-void
.end method

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

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

    return-void
.end method

.method public static a(Ljava/lang/String;[B[B[BLjava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    .registers 7

    :try_start_0
    const-string v0, "UTF-8"

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

    move-result-object p0

    invoke-static {p0, p1, p2}, Lcom/inmobi/media/gw;->j([B[B[B)[B

    move-result-object p0

    invoke-static {p0, p3}, Lcom/inmobi/media/gw;->i([B[B)[B

    move-result-object v0

    invoke-static {p0}, Lcom/inmobi/media/gw;->d([B)[B

    move-result-object p0

    invoke-static {v0}, Lcom/inmobi/media/gw;->d([B)[B

    move-result-object v0

    invoke-static {p2}, Lcom/inmobi/media/gw;->d([B)[B

    move-result-object p2

    invoke-static {p1}, Lcom/inmobi/media/gw;->d([B)[B

    move-result-object p1

    invoke-static {p3}, Lcom/inmobi/media/gw;->d([B)[B

    move-result-object p3

    invoke-static {p1, p3}, Lcom/inmobi/media/gw;->f([B[B)[B

    move-result-object p1

    invoke-static {p1, p2}, Lcom/inmobi/media/gw;->f([B[B)[B

    move-result-object p1

    invoke-static {p1, p5, p4}, Lcom/inmobi/media/gw;->e([BLjava/lang/String;Ljava/lang/String;)[B

    move-result-object p1

    invoke-static {p1}, Lcom/inmobi/media/gw;->d([B)[B

    move-result-object p1

    invoke-static {p0, v0}, Lcom/inmobi/media/gw;->f([B[B)[B

    move-result-object p0

    invoke-static {p1, p0}, Lcom/inmobi/media/gw;->f([B[B)[B

    move-result-object p0

    const/16 p1, 0x8

    invoke-static {p0, p1}, Landroid/util/Base64;->encode([BI)[B

    move-result-object p0

    new-instance p1, Ljava/lang/String;

    invoke-direct {p1, p0}, Ljava/lang/String;-><init>([B)V
    :try_end_45
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_45} :catch_46

    return-object p1

    :catch_46
    const/4 p0, 0x0

    return-object p0
.end method

.method public static declared-synchronized b()[B
    .registers 8

    const-class v0, Lcom/inmobi/media/gw;

    monitor-enter v0

    :try_start_3
    invoke-static {}, Lcom/inmobi/media/gk;->n()Landroid/content/Context;

    move-result-object v1

    if-nez v1, :cond_d

    sget-object v1, Lcom/inmobi/media/gw;->c:[B
    :try_end_b
    .catchall {:try_start_3 .. :try_end_b} :catchall_5c

    monitor-exit v0

    return-object v1

    :cond_d
    :try_start_d
    new-instance v2, Lcom/inmobi/media/gt;

    const-string v3, "aes_key_store"

    invoke-direct {v2, v1, v3}, Lcom/inmobi/media/gt;-><init>(Landroid/content/Context;Ljava/lang/String;)V

    invoke-static {}, Ljava/lang/System;->currentTimeMillis()J

    move-result-wide v3

    const-wide/16 v5, 0x3e8

    div-long/2addr v3, v5

    invoke-virtual {v2}, Lcom/inmobi/media/gt;->a()J

    move-result-wide v5
    :try_end_1f
    .catchall {:try_start_d .. :try_end_1f} :catchall_5c

    sub-long/2addr v3, v5

    const-wide/32 v5, 0x15180

    const/4 v1, 0x0

    cmp-long v7, v3, v5

    if-lez v7, :cond_38

    :try_start_28
    invoke-static {}, Lcom/inmobi/media/gw;->h()[B

    move-result-object v3

    sput-object v3, Lcom/inmobi/media/gw;->c:[B

    invoke-static {v3, v1}, Landroid/util/Base64;->encodeToString([BI)Ljava/lang/String;

    move-result-object v1

    const-string v3, "aes_public_key"

    invoke-virtual {v2, v3, v1}, Lcom/inmobi/media/gt;->d(Ljava/lang/String;Ljava/lang/String;)V

    goto :goto_58

    :cond_38
    sget-object v3, Lcom/inmobi/media/gw;->c:[B

    if-nez v3, :cond_58

    const-string v3, "aes_public_key"

    invoke-virtual {v2, v3}, Lcom/inmobi/media/gt;->b(Ljava/lang/String;)Ljava/lang/String;

    move-result-object v3
    :try_end_42
    .catch Ljava/lang/Exception; {:try_start_28 .. :try_end_42} :catch_58
    .catchall {:try_start_28 .. :try_end_42} :catchall_5c

    :try_start_42
    invoke-static {v3, v1}, Landroid/util/Base64;->decode(Ljava/lang/String;I)[B

    move-result-object v3

    sput-object v3, Lcom/inmobi/media/gw;->c:[B
    :try_end_48
    .catch Ljava/lang/IllegalArgumentException; {:try_start_42 .. :try_end_48} :catch_49
    .catch Ljava/lang/Exception; {:try_start_42 .. :try_end_48} :catch_58
    .catchall {:try_start_42 .. :try_end_48} :catchall_5c

    goto :goto_58

    :catch_49
    :try_start_49
    invoke-static {}, Lcom/inmobi/media/gw;->h()[B

    move-result-object v3

    sput-object v3, Lcom/inmobi/media/gw;->c:[B

    invoke-static {v3, v1}, Landroid/util/Base64;->encodeToString([BI)Ljava/lang/String;

    move-result-object v1

    const-string v3, "aes_public_key"

    invoke-virtual {v2, v3, v1}, Lcom/inmobi/media/gt;->d(Ljava/lang/String;Ljava/lang/String;)V
    :try_end_58
    .catch Ljava/lang/Exception; {:try_start_49 .. :try_end_58} :catch_58
    .catchall {:try_start_49 .. :try_end_58} :catchall_5c

    :catch_58
    :cond_58
    :goto_58
    :try_start_58
    sget-object v1, Lcom/inmobi/media/gw;->c:[B
    :try_end_5a
    .catchall {:try_start_58 .. :try_end_5a} :catchall_5c

    monitor-exit v0

    return-object v1

    :catchall_5c
    move-exception v1

    monitor-exit v0

    throw v1
.end method

.method public static c(I)[B
    .registers 2

    new-array p0, p0, [B

    :try_start_2
    new-instance v0, Ljava/security/SecureRandom;

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

    invoke-virtual {v0, p0}, Ljava/security/SecureRandom;->nextBytes([B)V
    :try_end_a
    .catch Ljava/lang/Exception; {:try_start_2 .. :try_end_a} :catch_a

    :catch_a
    return-object p0
.end method

.method public static d([B)[B
    .registers 5

    array-length v0, p0

    int-to-long v0, v0

    const/16 v2, 0x8

    invoke-static {v2}, Ljava/nio/ByteBuffer;->allocate(I)Ljava/nio/ByteBuffer;

    move-result-object v2

    sget-object v3, Ljava/nio/ByteOrder;->LITTLE_ENDIAN:Ljava/nio/ByteOrder;

    invoke-virtual {v2, v3}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;

    invoke-virtual {v2, v0, v1}, Ljava/nio/ByteBuffer;->putLong(J)Ljava/nio/ByteBuffer;

    invoke-virtual {v2}, Ljava/nio/ByteBuffer;->array()[B

    move-result-object v0

    array-length v1, v0

    array-length v2, p0

    add-int/2addr v1, v2

    new-array v1, v1, [B

    array-length v2, v0

    const/4 v3, 0x0

    invoke-static {v0, v3, v1, v3, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    array-length v0, v0

    array-length v2, p0

    invoke-static {p0, v3, v1, v0, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    return-object v1
.end method

.method public static e([BLjava/lang/String;Ljava/lang/String;)[B
    .registers 5

    new-instance v0, Ljava/math/BigInteger;

    const/16 v1, 0x10

    invoke-direct {v0, p2, v1}, Ljava/math/BigInteger;-><init>(Ljava/lang/String;I)V

    new-instance p2, Ljava/math/BigInteger;

    invoke-direct {p2, p1, v1}, Ljava/math/BigInteger;-><init>(Ljava/lang/String;I)V

    :try_start_c
    const-string p1, "RSA"

    invoke-static {p1}, Ljava/security/KeyFactory;->getInstance(Ljava/lang/String;)Ljava/security/KeyFactory;

    move-result-object p1

    new-instance v1, Ljava/security/spec/RSAPublicKeySpec;

    invoke-direct {v1, v0, p2}, Ljava/security/spec/RSAPublicKeySpec;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    invoke-virtual {p1, v1}, Ljava/security/KeyFactory;->generatePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;

    move-result-object p1

    check-cast p1, Ljava/security/interfaces/RSAPublicKey;

    const-string p2, "RSA/ECB/nopadding"

    invoke-static {p2}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object p2

    const/4 v0, 0x1

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

    invoke-virtual {p2, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p0
    :try_end_2b
    .catchall {:try_start_c .. :try_end_2b} :catchall_2c

    goto :goto_2d

    :catchall_2c
    const/4 p0, 0x0

    :goto_2d
    return-object p0
.end method

.method public static f([B[B)[B
    .registers 5

    array-length v0, p0

    array-length v1, p1

    add-int/2addr v0, v1

    new-array v0, v0, [B

    array-length v1, p0

    const/4 v2, 0x0

    invoke-static {p0, v2, v0, v2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    array-length p0, p0

    array-length v1, p1

    invoke-static {p1, v2, v0, p0, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    return-object v0
.end method

.method public static g([B[B[B)[B
    .registers 6

    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    sget-object v1, Lcom/inmobi/media/gw;->a:Ljava/lang/String;

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

    :try_start_7
    sget-object p1, Lcom/inmobi/media/gw;->b:Ljava/lang/String;

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

    move-result-object p1

    const/4 v1, 0x2

    new-instance v2, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v2, p2}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    invoke-virtual {p1, v1, v0, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

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

    move-result-object p0
    :try_end_1a
    .catchall {:try_start_7 .. :try_end_1a} :catchall_1b

    goto :goto_1c

    :catchall_1b
    const/4 p0, 0x0

    :goto_1c
    return-object p0
.end method

.method private static h()[B
    .registers 3

    :try_start_0
    const-string v0, "AES"

    invoke-static {v0}, Ljavax/crypto/KeyGenerator;->getInstance(Ljava/lang/String;)Ljavax/crypto/KeyGenerator;

    move-result-object v0

    const/16 v1, 0x80

    new-instance v2, Ljava/security/SecureRandom;

    invoke-direct {v2}, Ljava/security/SecureRandom;-><init>()V

    invoke-virtual {v0, v1, v2}, Ljavax/crypto/KeyGenerator;->init(ILjava/security/SecureRandom;)V

    invoke-virtual {v0}, Ljavax/crypto/KeyGenerator;->generateKey()Ljavax/crypto/SecretKey;

    move-result-object v0

    if-eqz v0, :cond_1b

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

    move-result-object v0
    :try_end_1a
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_1a} :catch_1b

    return-object v0

    :catch_1b
    :cond_1b
    const/4 v0, 0x0

    return-object v0
.end method

.method private static i([B[B)[B
    .registers 6

    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    array-length v1, p1

    const/4 v2, 0x0

    const-string v3, "HmacSHA1"

    invoke-direct {v0, p1, v2, v1, v3}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BIILjava/lang/String;)V

    :try_start_9
    invoke-static {v3}, Ljavax/crypto/Mac;->getInstance(Ljava/lang/String;)Ljavax/crypto/Mac;

    move-result-object p1

    invoke-virtual {p1, v0}, Ljavax/crypto/Mac;->init(Ljava/security/Key;)V

    invoke-virtual {p1, p0}, Ljavax/crypto/Mac;->doFinal([B)[B

    move-result-object p0
    :try_end_14
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_9 .. :try_end_14} :catch_15
    .catch Ljava/security/InvalidKeyException; {:try_start_9 .. :try_end_14} :catch_15

    goto :goto_16

    :catch_15
    const/4 p0, 0x0

    :goto_16
    return-object p0
.end method

.method private static j([B[B[B)[B
    .registers 5
    .annotation build Landroid/annotation/SuppressLint;
        value = {
            "TrulyRandom"
        }
    .end annotation

    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    sget-object v1, Lcom/inmobi/media/gw;->a:Ljava/lang/String;

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

    new-instance p1, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {p1, p2}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    :try_start_c
    sget-object p2, Lcom/inmobi/media/gw;->b:Ljava/lang/String;

    invoke-static {p2}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object p2

    const/4 v1, 0x1

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

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

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

    invoke-virtual {p2, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p0
    :try_end_20
    .catchall {:try_start_c .. :try_end_20} :catchall_21

    goto :goto_22

    :catchall_21
    const/4 p0, 0x0

    :goto_22
    return-object p0
.end method