a.smali

.class public final Lcom/sdk/plus/f/a;
.super Ljava/lang/Object;


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lcom/sdk/plus/f/a$a;
    }
.end annotation


# direct methods
.method public static a()Ljava/lang/String;
    .registers 7

    const/16 v6, 0x14

    :try_start_2
    const-string v0, "SHA1PRNG"

    invoke-static {v0}, Ljava/security/SecureRandom;->getInstance(Ljava/lang/String;)Ljava/security/SecureRandom;

    move-result-object v0

    const/16 v1, 0x14

    new-array v1, v1, [B

    invoke-virtual {v0, v1}, Ljava/security/SecureRandom;->nextBytes([B)V

    new-instance v2, Ljava/lang/StringBuffer;

    const/16 v0, 0x28

    invoke-direct {v2, v0}, Ljava/lang/StringBuffer;-><init>(I)V

    const/4 v0, 0x0

    :goto_17
    if-ge v0, v6, :cond_37

    aget-byte v3, v1, v0

    const-string v4, "0123456789ABCDEF"

    shr-int/lit8 v5, v3, 0x4

    and-int/lit8 v5, v5, 0xf

    invoke-virtual {v4, v5}, Ljava/lang/String;->charAt(I)C

    move-result v4

    invoke-virtual {v2, v4}, Ljava/lang/StringBuffer;->append(C)Ljava/lang/StringBuffer;

    move-result-object v4

    const-string v5, "0123456789ABCDEF"

    and-int/lit8 v3, v3, 0xf

    invoke-virtual {v5, v3}, Ljava/lang/String;->charAt(I)C

    move-result v3

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

    add-int/lit8 v0, v0, 0x1

    goto :goto_17

    :cond_37
    invoke-virtual {v2}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;
    :try_end_3a
    .catch Ljava/lang/Exception; {:try_start_2 .. :try_end_3a} :catch_3c

    move-result-object v0

    :goto_3b
    return-object v0

    :catch_3c
    move-exception v0

    const/4 v0, 0x0

    goto :goto_3b
.end method

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

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

    const-string v1, "AES"

    invoke-direct {v0, p0, v1}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    new-instance v1, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v1, p2}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    const-string v2, "AES/CFB/NoPadding"

    invoke-static {v2}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v2

    const/4 v3, 0x2

    invoke-virtual {v2, v3, v0, v1}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    invoke-virtual {v2, p1}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object v1

    new-instance v0, Ljava/lang/String;

    const-string v2, "UTF-8"

    invoke-direct {v0, v1, v2}, Ljava/lang/String;-><init>([BLjava/lang/String;)V
    :try_end_21
    .catch Ljava/lang/Throwable; {:try_start_0 .. :try_end_21} :catch_22

    :goto_21
    return-object v0

    :catch_22
    move-exception v0

    const/4 v0, 0x0

    goto :goto_21
.end method

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

    const/16 v3, 0x1c

    :try_start_2
    const-string v0, "AES"

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

    move-result-object v1

    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    if-lt v0, v3, :cond_37

    sget-object v0, Lcom/sdk/plus/c/d;->y:[B

    if-eqz v0, :cond_13

    sget-object v0, Lcom/sdk/plus/c/d;->y:[B

    :cond_12
    :goto_12
    return-object v0

    :cond_13
    const-string v0, "SHA1PRNG"

    invoke-static {v0}, Ljava/security/SecureRandom;->getInstance(Ljava/lang/String;)Ljava/security/SecureRandom;

    move-result-object v0

    :goto_19
    invoke-virtual {v0, p0}, Ljava/security/SecureRandom;->setSeed([B)V

    const/16 v2, 0x80

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

    invoke-virtual {v1}, Ljavax/crypto/KeyGenerator;->generateKey()Ljavax/crypto/SecretKey;

    move-result-object v0

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

    move-result-object v0

    sget v1, Landroid/os/Build$VERSION;->SDK_INT:I

    if-lt v1, v3, :cond_12

    sget-object v1, Lcom/sdk/plus/c/d;->y:[B

    if-nez v1, :cond_12

    sput-object v0, Lcom/sdk/plus/c/d;->y:[B

    goto :goto_12

    :catch_34
    move-exception v0

    const/4 v0, 0x0

    goto :goto_12

    :cond_37
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v2, 0x18

    if-lt v0, v2, :cond_49

    const-string v0, "SHA1PRNG"

    new-instance v2, Lcom/sdk/plus/f/a$a;

    invoke-direct {v2}, Lcom/sdk/plus/f/a$a;-><init>()V

    invoke-static {v0, v2}, Ljava/security/SecureRandom;->getInstance(Ljava/lang/String;Ljava/security/Provider;)Ljava/security/SecureRandom;

    move-result-object v0

    goto :goto_19

    :cond_49
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v2, 0x11

    if-lt v0, v2, :cond_58

    const-string v0, "SHA1PRNG"

    const-string v2, "Crypto"

    invoke-static {v0, v2}, Ljava/security/SecureRandom;->getInstance(Ljava/lang/String;Ljava/lang/String;)Ljava/security/SecureRandom;

    move-result-object v0

    goto :goto_19

    :cond_58
    const-string v0, "SHA1PRNG"

    invoke-static {v0}, Ljava/security/SecureRandom;->getInstance(Ljava/lang/String;)Ljava/security/SecureRandom;
    :try_end_5d
    .catch Ljava/lang/Throwable; {:try_start_2 .. :try_end_5d} :catch_34

    move-result-object v0

    goto :goto_19
.end method

.method public static b([B[B[B)[B
    .registers 7

    :try_start_0
    invoke-static {p0}, Lcom/sdk/plus/f/a;->a([B)[B

    move-result-object v0

    new-instance v1, Ljavax/crypto/spec/SecretKeySpec;

    const-string v2, "AES"

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

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

    invoke-direct {v0, p2}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    const-string v2, "AES/CFB/NoPadding"

    invoke-static {v2}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v2

    const/4 v3, 0x1

    invoke-virtual {v2, v3, v1, v0}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    invoke-virtual {v2, p1}, Ljavax/crypto/Cipher;->doFinal([B)[B
    :try_end_1d
    .catch Ljava/lang/Throwable; {:try_start_0 .. :try_end_1d} :catch_1f

    move-result-object v0

    :goto_1e
    return-object v0

    :catch_1f
    move-exception v0

    const/4 v0, 0x0

    goto :goto_1e
.end method

.method public static c([B[B[B)[B
    .registers 7

    :try_start_0
    invoke-static {p0}, Lcom/sdk/plus/f/a;->a([B)[B

    move-result-object v0

    new-instance v1, Ljavax/crypto/spec/SecretKeySpec;

    const-string v2, "AES"

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

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

    invoke-direct {v0, p2}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    const-string v2, "AES/CFB/NoPadding"

    invoke-static {v2}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v2

    const/4 v3, 0x2

    invoke-virtual {v2, v3, v1, v0}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    invoke-virtual {v2, p1}, Ljavax/crypto/Cipher;->doFinal([B)[B
    :try_end_1d
    .catch Ljava/lang/Throwable; {:try_start_0 .. :try_end_1d} :catch_1f

    move-result-object v0

    :goto_1e
    return-object v0

    :catch_1f
    move-exception v0

    const/4 v0, 0x0

    goto :goto_1e
.end method