KeyProvider18.smali

.class public Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;
.super Ljava/lang/Object;
.source "KeyProvider18.java"

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


# static fields
.field static final ANDROID_KEY_STORE_NAME:Ljava/lang/String; = "AndroidKeyStore"

.field static final AWS_KEY_VALUE_STORE_VERSION_1_KEY_STORE_ALIAS_FOR_RSA_SUFFIX:Ljava/lang/String; = ".rsaKeyStoreAlias"

.field static final CIPHER_AES_GCM_NOPADDING_KEY_LENGTH_IN_BITS:I = 0x100

.field static final CIPHER_PROVIDER_NAME_FOR_RSA:Ljava/lang/String; = "AndroidOpenSSL"

.field static final CIPHER_RSA_MODE:Ljava/lang/String; = "RSA/ECB/PKCS1Padding"

.field static final ENCRYPTED_AES_KEY:Ljava/lang/String; = "AesGcmNoPadding18-encrypted-encryption-key"

.field static final KEY_ALGORITHM_AES:Ljava/lang/String; = "AES"

.field static final KEY_ALGORITHM_RSA:Ljava/lang/String; = "RSA"

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


# instance fields
.field private context:Landroid/content/Context;

.field private secureRandom:Ljava/security/SecureRandom;

.field private sharedPreferences:Landroid/content/SharedPreferences;


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

    .line 1
    const-class v0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;

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

    move-result-object v0

    sput-object v0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->logger:Lcom/amazonaws/logging/Log;

    return-void
.end method

.method constructor <init>(Landroid/content/Context;Landroid/content/SharedPreferences;)V
    .registers 3

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

    .line 2
    iput-object p1, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->context:Landroid/content/Context;

    .line 3
    iput-object p2, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->sharedPreferences:Landroid/content/SharedPreferences;

    return-void
.end method

.method private rsaDecrypt(Ljava/lang/String;[B)[B
    .registers 6

    const/4 v0, 0x0

    :try_start_1
    const-string v1, "AndroidKeyStore"

    .line 1
    invoke-static {v1}, Ljava/security/KeyStore;->getInstance(Ljava/lang/String;)Ljava/security/KeyStore;

    move-result-object v1

    .line 2
    invoke-virtual {v1, v0}, Ljava/security/KeyStore;->load(Ljava/security/KeyStore$LoadStoreParameter;)V

    .line 3
    invoke-virtual {v1, p1, v0}, Ljava/security/KeyStore;->getEntry(Ljava/lang/String;Ljava/security/KeyStore$ProtectionParameter;)Ljava/security/KeyStore$Entry;

    move-result-object p1

    check-cast p1, Ljava/security/KeyStore$PrivateKeyEntry;

    const-string v1, "RSA/ECB/PKCS1Padding"

    const-string v2, "AndroidOpenSSL"

    .line 4
    invoke-static {v1, v2}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v1

    const/4 v2, 0x2

    .line 5
    invoke-virtual {p1}, Ljava/security/KeyStore$PrivateKeyEntry;->getPrivateKey()Ljava/security/PrivateKey;

    move-result-object p1

    .line 6
    invoke-virtual {v1, v2, p1}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    .line 7
    invoke-virtual {v1, p2}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p1
    :try_end_24
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_24} :catch_25

    return-object p1

    :catch_25
    move-exception p1

    .line 8
    sget-object p2, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->logger:Lcom/amazonaws/logging/Log;

    const-string v1, "Exception occurred while decrypting the encrypted AES key. "

    invoke-interface {p2, v1, p1}, Lcom/amazonaws/logging/Log;->error(Ljava/lang/Object;Ljava/lang/Throwable;)V

    return-object v0
.end method

.method private rsaEncrypt(Ljava/lang/String;[B)[B
    .registers 6

    const/4 v0, 0x0

    :try_start_1
    const-string v1, "AndroidKeyStore"

    .line 1
    invoke-static {v1}, Ljava/security/KeyStore;->getInstance(Ljava/lang/String;)Ljava/security/KeyStore;

    move-result-object v1

    .line 2
    invoke-virtual {v1, v0}, Ljava/security/KeyStore;->load(Ljava/security/KeyStore$LoadStoreParameter;)V

    .line 3
    invoke-virtual {v1, p1, v0}, Ljava/security/KeyStore;->getEntry(Ljava/lang/String;Ljava/security/KeyStore$ProtectionParameter;)Ljava/security/KeyStore$Entry;

    move-result-object p1

    check-cast p1, Ljava/security/KeyStore$PrivateKeyEntry;

    const-string v1, "RSA/ECB/PKCS1Padding"

    const-string v2, "AndroidOpenSSL"

    .line 4
    invoke-static {v1, v2}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v1

    const/4 v2, 0x1

    .line 5
    invoke-virtual {p1}, Ljava/security/KeyStore$PrivateKeyEntry;->getCertificate()Ljava/security/cert/Certificate;

    move-result-object p1

    invoke-virtual {p1}, Ljava/security/cert/Certificate;->getPublicKey()Ljava/security/PublicKey;

    move-result-object p1

    .line 6
    invoke-virtual {v1, v2, p1}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    .line 7
    invoke-virtual {v1, p2}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p1
    :try_end_28
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_28} :catch_29

    return-object p1

    :catch_29
    move-exception p1

    .line 8
    sget-object p2, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->logger:Lcom/amazonaws/logging/Log;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Exception occurred while encrypting data. "

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

    invoke-virtual {p1}, Ljava/lang/Exception;->getMessage()Ljava/lang/String;

    move-result-object p1

    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-interface {p2, p1}, Lcom/amazonaws/logging/Log;->error(Ljava/lang/Object;)V

    return-object v0
.end method


# virtual methods
.method public declared-synchronized deleteKey(Ljava/lang/String;)V
    .registers 6

    monitor-enter p0

    .line 1
    :try_start_1
    iget-object v0, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->sharedPreferences:Landroid/content/SharedPreferences;

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

    move-result-object v0

    const-string v1, "AesGcmNoPadding18-encrypted-encryption-key"

    .line 2
    invoke-interface {v0, v1}, 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_10
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_10} :catch_13
    .catchall {:try_start_1 .. :try_end_10} :catchall_11

    goto :goto_1b

    :catchall_11
    move-exception p1

    goto :goto_4c

    :catch_13
    move-exception v0

    .line 4
    :try_start_14
    sget-object v1, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->logger:Lcom/amazonaws/logging/Log;

    const-string v2, "Error in deleting the encrypted AES key identified by AesGcmNoPadding18-encrypted-encryption-key from SharedPreferences."

    invoke-interface {v1, v2, v0}, Lcom/amazonaws/logging/Log;->error(Ljava/lang/Object;Ljava/lang/Throwable;)V
    :try_end_1b
    .catchall {:try_start_14 .. :try_end_1b} :catchall_11

    :goto_1b
    :try_start_1b
    const-string v0, "AndroidKeyStore"

    .line 5
    invoke-static {v0}, Ljava/security/KeyStore;->getInstance(Ljava/lang/String;)Ljava/security/KeyStore;

    move-result-object v0

    const/4 v1, 0x0

    .line 6
    invoke-virtual {v0, v1}, Ljava/security/KeyStore;->load(Ljava/security/KeyStore$LoadStoreParameter;)V

    .line 7
    invoke-virtual {v0, p1}, Ljava/security/KeyStore;->deleteEntry(Ljava/lang/String;)V
    :try_end_28
    .catch Ljava/lang/Exception; {:try_start_1b .. :try_end_28} :catch_29
    .catchall {:try_start_1b .. :try_end_28} :catchall_11

    goto :goto_4a

    :catch_29
    move-exception v0

    .line 8
    :try_start_2a
    sget-object v1, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->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 RSA Key identified by the 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;

    const-string p1, " from "

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

    const-string p1, "AndroidKeyStore"

    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_4a
    .catchall {:try_start_2a .. :try_end_4a} :catchall_11

    .line 9
    :goto_4a
    monitor-exit p0

    return-void

    :goto_4c
    monitor-exit p0

    throw p1
.end method

.method public declared-synchronized generateKey(Ljava/lang/String;)Ljava/security/Key;
    .registers 8
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;
        }
    .end annotation

    monitor-enter p0

    :try_start_1
    const-string v0, "AndroidKeyStore"

    .line 1
    invoke-static {v0}, Ljava/security/KeyStore;->getInstance(Ljava/lang/String;)Ljava/security/KeyStore;

    move-result-object v0

    const/4 v1, 0x0

    .line 2
    invoke-virtual {v0, v1}, Ljava/security/KeyStore;->load(Ljava/security/KeyStore$LoadStoreParameter;)V

    .line 3
    invoke-static {}, Ljava/util/Calendar;->getInstance()Ljava/util/Calendar;

    move-result-object v0

    .line 4
    invoke-static {}, Ljava/util/Calendar;->getInstance()Ljava/util/Calendar;

    move-result-object v1

    const/4 v2, 0x1

    const/16 v3, 0x1e

    .line 5
    invoke-virtual {v1, v2, v3}, Ljava/util/Calendar;->add(II)V

    .line 6
    new-instance v2, Landroid/security/KeyPairGeneratorSpec$Builder;

    iget-object v3, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->context:Landroid/content/Context;

    invoke-direct {v2, v3}, Landroid/security/KeyPairGeneratorSpec$Builder;-><init>(Landroid/content/Context;)V

    .line 7
    invoke-virtual {v2, p1}, Landroid/security/KeyPairGeneratorSpec$Builder;->setAlias(Ljava/lang/String;)Landroid/security/KeyPairGeneratorSpec$Builder;

    move-result-object v2

    new-instance v3, Ljavax/security/auth/x500/X500Principal;

    new-instance v4, Ljava/lang/StringBuilder;

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

    const-string v5, "CN="

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

    invoke-virtual {v4, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

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

    move-result-object v4

    invoke-direct {v3, v4}, Ljavax/security/auth/x500/X500Principal;-><init>(Ljava/lang/String;)V

    .line 8
    invoke-virtual {v2, v3}, Landroid/security/KeyPairGeneratorSpec$Builder;->setSubject(Ljavax/security/auth/x500/X500Principal;)Landroid/security/KeyPairGeneratorSpec$Builder;

    move-result-object v2

    sget-object v3, Ljava/math/BigInteger;->TEN:Ljava/math/BigInteger;

    .line 9
    invoke-virtual {v2, v3}, Landroid/security/KeyPairGeneratorSpec$Builder;->setSerialNumber(Ljava/math/BigInteger;)Landroid/security/KeyPairGeneratorSpec$Builder;

    move-result-object v2

    .line 10
    invoke-virtual {v0}, Ljava/util/Calendar;->getTime()Ljava/util/Date;

    move-result-object v0

    invoke-virtual {v2, v0}, Landroid/security/KeyPairGeneratorSpec$Builder;->setStartDate(Ljava/util/Date;)Landroid/security/KeyPairGeneratorSpec$Builder;

    move-result-object v0

    .line 11
    invoke-virtual {v1}, Ljava/util/Calendar;->getTime()Ljava/util/Date;

    move-result-object v1

    invoke-virtual {v0, v1}, Landroid/security/KeyPairGeneratorSpec$Builder;->setEndDate(Ljava/util/Date;)Landroid/security/KeyPairGeneratorSpec$Builder;

    move-result-object v0

    .line 12
    invoke-virtual {v0}, Landroid/security/KeyPairGeneratorSpec$Builder;->build()Landroid/security/KeyPairGeneratorSpec;

    move-result-object v0

    const-string v1, "RSA"

    const-string v2, "AndroidKeyStore"

    .line 13
    invoke-static {v1, v2}, Ljava/security/KeyPairGenerator;->getInstance(Ljava/lang/String;Ljava/lang/String;)Ljava/security/KeyPairGenerator;

    move-result-object v1

    .line 14
    invoke-virtual {v1, v0}, Ljava/security/KeyPairGenerator;->initialize(Ljava/security/spec/AlgorithmParameterSpec;)V

    .line 15
    invoke-virtual {v1}, Ljava/security/KeyPairGenerator;->generateKeyPair()Ljava/security/KeyPair;
    :try_end_66
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_66} :catch_112
    .catchall {:try_start_1 .. :try_end_66} :catchall_110

    .line 16
    :try_start_66
    new-instance v0, Ljava/security/SecureRandom;

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

    iput-object v0, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->secureRandom:Ljava/security/SecureRandom;

    const-string v0, "AES"

    .line 17
    invoke-static {v0}, Ljavax/crypto/KeyGenerator;->getInstance(Ljava/lang/String;)Ljavax/crypto/KeyGenerator;

    move-result-object v0

    const/16 v1, 0x100

    .line 18
    iget-object v2, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->secureRandom:Ljava/security/SecureRandom;

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

    .line 19
    invoke-virtual {v0}, Ljavax/crypto/KeyGenerator;->generateKey()Ljavax/crypto/SecretKey;

    move-result-object v0

    if-eqz v0, :cond_e6

    .line 20
    invoke-interface {v0}, Ljavax/crypto/SecretKey;->getEncoded()[B

    move-result-object v1

    if-eqz v1, :cond_de

    .line 21
    array-length v2, v1

    if-eqz v2, :cond_de

    .line 22
    invoke-direct {p0, p1, v1}, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->rsaEncrypt(Ljava/lang/String;[B)[B

    move-result-object v1

    if-eqz v1, :cond_c7

    .line 23
    array-length v2, v1

    if-eqz v2, :cond_c7

    .line 24
    invoke-static {v1}, Lcom/amazonaws/util/Base64;->encodeAsString([B)Ljava/lang/String;

    move-result-object v1

    if-eqz v1, :cond_b0

    .line 25
    iget-object v2, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->sharedPreferences:Landroid/content/SharedPreferences;

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

    move-result-object v2

    const-string v3, "AesGcmNoPadding18-encrypted-encryption-key"

    .line 26
    invoke-interface {v2, v3, v1}, Landroid/content/SharedPreferences$Editor;->putString(Ljava/lang/String;Ljava/lang/String;)Landroid/content/SharedPreferences$Editor;

    move-result-object v1

    .line 27
    invoke-interface {v1}, Landroid/content/SharedPreferences$Editor;->apply()V

    .line 28
    sget-object v1, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->logger:Lcom/amazonaws/logging/Log;

    const-string v2, "Generated and saved the Encrypted AES encryption key for the AES keyAlias: AesGcmNoPadding18-encrypted-encryption-key to SharedPreferences."

    invoke-interface {v1, v2}, Lcom/amazonaws/logging/Log;->info(Ljava/lang/Object;)V
    :try_end_ae
    .catch Ljava/lang/Exception; {:try_start_66 .. :try_end_ae} :catch_ee
    .catchall {:try_start_66 .. :try_end_ae} :catchall_110

    .line 29
    monitor-exit p0

    return-object v0

    .line 30
    :cond_b0
    :try_start_b0
    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 Encrypted AES key for the AES keyAlias: AesGcmNoPadding18-encrypted-encryption-key using the rsaKeyAlias: "

    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/KeyNotGeneratedException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 31
    :cond_c7
    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 RSA encrypting the AES encryption key for the AES keyAlias: AesGcmNoPadding18-encrypted-encryption-key using the rsaKeyAlias: "

    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/KeyNotGeneratedException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 32
    :cond_de
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;

    const-string v1, "Error in generating the AES encryption key for the alias: AesGcmNoPadding18-encrypted-encryption-key"

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

    throw v0

    .line 33
    :cond_e6
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;

    const-string v1, "Error in generating the AES encryption key for the alias: AesGcmNoPadding18-encrypted-encryption-key"

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

    throw v0
    :try_end_ee
    .catch Ljava/lang/Exception; {:try_start_b0 .. :try_end_ee} :catch_ee
    .catchall {:try_start_b0 .. :try_end_ee} :catchall_110

    :catch_ee
    move-exception v0

    .line 34
    :try_start_ef
    new-instance v1, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;

    new-instance v2, Ljava/lang/StringBuilder;

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

    const-string v3, "Error in generating the AES key and RSA encrypting the AES key using the rsaKeyAlias: "

    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, " in "

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

    const-string p1, "AndroidKeyStore"

    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/KeyNotGeneratedException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v1

    :catchall_110
    move-exception p1

    goto :goto_134

    :catch_112
    move-exception v0

    .line 35
    new-instance v1, Lcom/amazonaws/internal/keyvaluestore/KeyNotGeneratedException;

    new-instance v2, Ljava/lang/StringBuilder;

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

    const-string v3, "Error in generating the RSA Encryption key for the rsaKeyAlias: "

    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, " in "

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

    const-string p1, "AndroidKeyStore"

    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/KeyNotGeneratedException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V

    throw v1
    :try_end_134
    .catchall {:try_start_ef .. :try_end_134} :catchall_110

    :goto_134
    monitor-exit p0

    throw p1
.end method

.method public declared-synchronized retrieveKey(Ljava/lang/String;)Ljava/security/Key;
    .registers 6
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;
        }
    .end annotation

    monitor-enter p0

    :try_start_1
    const-string v0, "AndroidKeyStore"

    .line 1
    invoke-static {v0}, Ljava/security/KeyStore;->getInstance(Ljava/lang/String;)Ljava/security/KeyStore;

    move-result-object v0

    const/4 v1, 0x0

    .line 2
    invoke-virtual {v0, v1}, Ljava/security/KeyStore;->load(Ljava/security/KeyStore$LoadStoreParameter;)V

    .line 3
    invoke-virtual {v0, p1}, Ljava/security/KeyStore;->containsAlias(Ljava/lang/String;)Z

    move-result v0

    if-eqz v0, :cond_76

    .line 4
    iget-object v0, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->sharedPreferences:Landroid/content/SharedPreferences;

    const-string v2, "AesGcmNoPadding18-encrypted-encryption-key"

    invoke-interface {v0, v2}, Landroid/content/SharedPreferences;->contains(Ljava/lang/String;)Z

    move-result v0

    if-eqz v0, :cond_6e

    .line 5
    sget-object v0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->logger:Lcom/amazonaws/logging/Log;

    const-string v2, "Loading the encryption key from SharedPreferences"

    invoke-interface {v0, v2}, Lcom/amazonaws/logging/Log;->debug(Ljava/lang/Object;)V

    .line 6
    iget-object v0, p0, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->sharedPreferences:Landroid/content/SharedPreferences;

    const-string v2, "AesGcmNoPadding18-encrypted-encryption-key"

    .line 7
    invoke-interface {v0, v2, v1}, Landroid/content/SharedPreferences;->getString(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0

    if-eqz v0, :cond_66

    .line 8
    invoke-static {v0}, Lcom/amazonaws/util/Base64;->decode(Ljava/lang/String;)[B

    move-result-object v0

    if-eqz v0, :cond_5e

    .line 9
    array-length v1, v0

    if-eqz v1, :cond_5e

    .line 10
    invoke-direct {p0, p1, v0}, Lcom/amazonaws/internal/keyvaluestore/KeyProvider18;->rsaDecrypt(Ljava/lang/String;[B)[B

    move-result-object v0

    if-eqz v0, :cond_47

    .line 11
    array-length v1, v0

    if-eqz v1, :cond_47

    .line 12
    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_45
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_45} :catch_99
    .catchall {:try_start_1 .. :try_end_45} :catchall_97

    monitor-exit p0

    return-object v1

    .line 13
    :cond_47
    :try_start_47
    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, "Unable to RSA decrypt the encrypted AES key identified by: AesGcmNoPadding18-encrypted-encryption-key using the RSA key identified by 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 14
    :cond_5e
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;

    const-string v1, "Unable to Base64 decode the encrypted AES key identified by: AesGcmNoPadding18-encrypted-encryption-key"

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

    throw v0

    .line 15
    :cond_66
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;

    const-string v1, "Unable to retrieve the encrypted AES Key identified by AesGcmNoPadding18-encrypted-encryption-key from the SharedPreferences."

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

    throw v0

    .line 16
    :cond_6e
    new-instance v0, Lcom/amazonaws/internal/keyvaluestore/KeyNotFoundException;

    const-string v1, "SharedPreferences does not have the key for keyAlias: AesGcmNoPadding18-encrypted-encryption-key"

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

    throw v0

    .line 17
    :cond_76
    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, "The RSA Key identified by the alias: "

    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;

    const-string v2, " cannot be found in "

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

    const-string v2, "AndroidKeyStore"

    invoke-virtual {v1, v2}, 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_97
    .catch Ljava/lang/Exception; {:try_start_47 .. :try_end_97} :catch_99
    .catchall {:try_start_47 .. :try_end_97} :catchall_97

    :catchall_97
    move-exception p1

    goto :goto_b1

    :catch_99
    move-exception v0

    .line 18
    :try_start_9a
    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 accessing AndroidKeyStore to retrieve the 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_b1
    .catchall {:try_start_9a .. :try_end_b1} :catchall_97

    :goto_b1
    monitor-exit p0

    throw p1
.end method