.class Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;
.super Ljava/lang/Object;
.source "KeyProvider10.java"

# interfaces
.implements Lcom/amazonaws/internal/keyvaluestore/KeyProvider;


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

.field private static final CIPHER_AES_GCM_NOPADDING_KEY_LENGTH_IN_BITS:I = 0x100

.field public static final KEY_ALIAS:Ljava/lang/String; = "AesGcmNoPaddingEncryption10-encryption-key"

.field private static final logger:Lcom/amazonaws/logging/Log;


# instance fields
.field private sharedPreferences:Landroid/content/SharedPreferences;


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

    const-string v0, "KeyProvider10"

    .line 1
    invoke-static {v0}, Lcom/amazonaws/logging/LogFactory;->getLog(Ljava/lang/String;)Lcom/amazonaws/logging/Log;

    move-result-object v0

    sput-object v0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;->logger:Lcom/amazonaws/logging/Log;

    return-void
.end method

.method public constructor <init>(Landroid/content/SharedPreferences;)V
    .locals 0

    .line 1
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 2
    iput-object p1, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;->sharedPreferences:Landroid/content/SharedPreferences;

    return-void
.end method


# virtual methods
.method public declared-synchronized deleteKey(Ljava/lang/String;)V
    .locals 4

    monitor-enter p0

    .line 1
    :try_start_0
    iget-object v0, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;->sharedPreferences:Landroid/content/SharedPreferences;

    invoke-interface {v0}, Landroid/content/SharedPreferences;->edit()Landroid/content/SharedPreferences$Editor;

    move-result-object v0

    .line 2
    invoke-interface {v0, p1}, Landroid/content/SharedPreferences$Editor;->remove(Ljava/lang/String;)Landroid/content/SharedPreferences$Editor;

    move-result-object v0

    .line 3
    invoke-interface {v0}, Landroid/content/SharedPreferences$Editor;->apply()V
    :try_end_0
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_0} :catch_0
    .catchall {:try_start_0 .. :try_end_0} :catchall_0

    goto :goto_0

    :catchall_0
    move-exception p1

    goto :goto_1

    :catch_0
    move-exception v0

    .line 4
    :try_start_1
    sget-object v1, Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;->logger:Lcom/amazonaws/logging/Log;

    new-instance v2, Ljava/lang/StringBuilder;

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

    const-string v3, "Error in deleting the AES key identified by "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string p1, " from SharedPreferences."

    invoke-virtual {v2, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-interface {v1, p1, v0}, Lcom/amazonaws/logging/Log;->error(Ljava/lang/Object;Ljava/lang/Throwable;)V
    :try_end_1
    .catchall {:try_start_1 .. :try_end_1} :catchall_0

    .line 5
    :goto_0
    monitor-exit p0

    return-void

    :goto_1
    monitor-exit p0

    throw p1
.end method

.method public declared-synchronized generateKey(Ljava/lang/String;)Ljava/security/Key;
    .locals 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;
        }
    .end annotation

    monitor-enter p0

    .line 1
    :try_start_0
    new-instance v0, Ljava/security/SecureRandom;

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

    const-string v1, "AES"

    .line 2
    invoke-static {v1}, Ljavax/crypto/KeyGenerator;->getInstance(Ljava/lang/String;)Ljavax/crypto/KeyGenerator;

    move-result-object v1

    const/16 v2, 0x100

    .line 3
    invoke-virtual {v1, v2, v0}, Ljavax/crypto/KeyGenerator;->init(ILjava/security/SecureRandom;)V

    .line 4
    invoke-virtual {v1}, Ljavax/crypto/KeyGenerator;->generateKey()Ljavax/crypto/SecretKey;

    move-result-object v0

    .line 5
    invoke-virtual {v1}, Ljavax/crypto/KeyGenerator;->generateKey()Ljavax/crypto/SecretKey;

    move-result-object v1

    if-eqz v1, :cond_2

    .line 6
    invoke-interface {v1}, Ljavax/crypto/SecretKey;->getEncoded()[B

    move-result-object v1

    if-eqz v1, :cond_1

    .line 7
    array-length v2, v1

    if-eqz v2, :cond_1

    .line 8
    invoke-static {v1}, Lcom/amazonaws/util/Base64;->encodeAsString([B)Ljava/lang/String;

    move-result-object v1

    if-eqz v1, :cond_0

    .line 9
    iget-object v2, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;->sharedPreferences:Landroid/content/SharedPreferences;

    invoke-interface {v2}, Landroid/content/SharedPreferences;->edit()Landroid/content/SharedPreferences$Editor;

    move-result-object v2

    .line 10
    invoke-interface {v2, p1, v1}, Landroid/content/SharedPreferences$Editor;->putString(Ljava/lang/String;Ljava/lang/String;)Landroid/content/SharedPreferences$Editor;

    move-result-object v1

    .line 11
    invoke-interface {v1}, Landroid/content/SharedPreferences$Editor;->apply()V

    .line 12
    sget-object v1, Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;->logger:Lcom/amazonaws/logging/Log;

    new-instance v2, Ljava/lang/StringBuilder;

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

    const-string v3, "Generated and saved the AES encryption key identified by the aesEncryptionKeyAlias: "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    const-string p1, " to SharedPreferences."

    invoke-virtual {v2, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-interface {v1, p1}, Lcom/amazonaws/logging/Log;->info(Ljava/lang/Object;)V
    :try_end_0
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_0} :catch_0
    .catchall {:try_start_0 .. :try_end_0} :catchall_0

    .line 13
    monitor-exit p0

    return-object v0

    .line 14
    :cond_0
    :try_start_1
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Error in Base64 encoding of the AES encryption key for the aesEncryptionKeyAlias: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v0, p1}, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 15
    :cond_1
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Error in getting the encoded bytes for the AES encryption key identified by the aesEncryptionKeyAlias: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v0, p1}, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 16
    :cond_2
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Error in generating the AES encryption key identified by the aesEncryptionKeyAlias: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v0, p1}, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;-><init>(Ljava/lang/String;)V

    throw v0
    :try_end_1
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_1} :catch_0
    .catchall {:try_start_1 .. :try_end_1} :catchall_0

    :catchall_0
    move-exception p1

    goto :goto_0

    :catch_0
    move-exception p1

    .line 17
    :try_start_2
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;

    const-string v1, "Error in generating the AES Encryption key for the aesEncryptionKeyAlias"

    invoke-direct {v0, v1, p1}, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v0
    :try_end_2
    .catchall {:try_start_2 .. :try_end_2} :catchall_0

    :goto_0
    monitor-exit p0

    throw p1
.end method

.method public declared-synchronized retrieveKey(Ljava/lang/String;)Ljava/security/Key;
    .locals 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;
        }
    .end annotation

    monitor-enter p0

    .line 1
    :try_start_0
    iget-object v0, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;->sharedPreferences:Landroid/content/SharedPreferences;

    invoke-interface {v0, p1}, Landroid/content/SharedPreferences;->contains(Ljava/lang/String;)Z

    move-result v0

    if-eqz v0, :cond_2

    .line 2
    sget-object v0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;->logger:Lcom/amazonaws/logging/Log;

    const-string v1, "Loading the encryption key from SharedPreferences"

    invoke-interface {v0, v1}, Lcom/amazonaws/logging/Log;->debug(Ljava/lang/Object;)V

    .line 3
    iget-object v0, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider10;->sharedPreferences:Landroid/content/SharedPreferences;

    const/4 v1, 0x0

    invoke-interface {v0, p1, v1}, Landroid/content/SharedPreferences;->getString(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    if-eqz v0, :cond_1

    .line 4
    invoke-static {v0}, Lcom/amazonaws/util/Base64;->decode(Ljava/lang/String;)[B

    move-result-object v0

    if-eqz v0, :cond_0

    .line 5
    array-length v1, v0

    if-eqz v1, :cond_0

    .line 6
    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
    :try_end_0
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_0} :catch_0
    .catchall {:try_start_0 .. :try_end_0} :catchall_0

    monitor-exit p0

    return-object v1

    .line 7
    :cond_0
    :try_start_1
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Error in Base64 decoding the AES encryption key identified by the keyAlias: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-direct {v0, v1}, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 8
    :cond_1
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "SharedPreferences does not have the key for keyAlias: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-direct {v0, v1}, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 9
    :cond_2
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "SharedPreferences does not have the key for keyAlias: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v1

    invoke-direct {v0, v1}, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;-><init>(Ljava/lang/String;)V

    throw v0
    :try_end_1
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_1} :catch_0
    .catchall {:try_start_1 .. :try_end_1} :catchall_0

    :catchall_0
    move-exception p1

    goto :goto_0

    :catch_0
    move-exception v0

    .line 10
    :try_start_2
    new-instance v1, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;

    new-instance v2, Ljava/lang/StringBuilder;

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

    const-string v3, "Error occurred while retrieving key for keyAlias: "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v1, p1, v0}, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v1
    :try_end_2
    .catchall {:try_start_2 .. :try_end_2} :catchall_0

    :goto_0
    monitor-exit p0

    throw p1
.end method