AesUtils.smali

.class public Lim/tpelyyftgw/ui/utils/AesUtils;
.super Ljava/lang/Object;
.source "AesUtils.java"


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

    return-void
.end method

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

    .line 20
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method public static decrypt(Ljava/lang/String;)Ljava/lang/String;
    .registers 4
    .param p0, "content"    # Ljava/lang/String;

    .line 55
    invoke-static {p0}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v0

    if-eqz v0, :cond_7

    .line 56
    return-object p0

    .line 59
    :cond_7
    :try_start_7
    invoke-static {p0}, Lim/tpelyyftgw/ui/utils/AesUtils;->decryptInternal(Ljava/lang/String;)[B

    move-result-object v0

    .line 60
    .local v0, "result":[B
    new-instance v1, Ljava/lang/String;

    const-string v2, "UTF-8"

    invoke-direct {v1, v0, v2}, Ljava/lang/String;-><init>([BLjava/lang/String;)V
    :try_end_12
    .catch Ljava/lang/Exception; {:try_start_7 .. :try_end_12} :catch_13

    return-object v1

    .line 61
    .end local v0    # "result":[B
    :catch_13
    move-exception v0

    .line 62
    .local v0, "e":Ljava/lang/Exception;
    invoke-virtual {v0}, Ljava/lang/Exception;->printStackTrace()V

    .line 64
    .end local v0    # "e":Ljava/lang/Exception;
    const-string v0, ""

    return-object v0
.end method

.method private static decryptInternal(Ljava/lang/String;)[B
    .registers 6
    .param p0, "content"    # Ljava/lang/String;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .line 69
    const/4 v0, 0x0

    invoke-static {p0, v0}, Landroid/util/Base64;->decode(Ljava/lang/String;I)[B

    move-result-object v0

    .line 70
    .local v0, "byteMi":[B
    new-instance v1, Ljavax/crypto/spec/SecretKeySpec;

    const-string v2, "Wu^tdJ92hFBqb7kz"

    invoke-virtual {v2}, Ljava/lang/String;->getBytes()[B

    move-result-object v2

    const-string v3, "AES"

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

    .line 71
    .local v1, "secretKeySpec":Ljavax/crypto/spec/SecretKeySpec;
    new-instance v2, Ljavax/crypto/spec/IvParameterSpec;

    const-string v3, "0392039203920300"

    invoke-virtual {v3}, Ljava/lang/String;->getBytes()[B

    move-result-object v3

    invoke-direct {v2, v3}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    .line 73
    .local v2, "ivSpec":Ljavax/crypto/spec/IvParameterSpec;
    const-string v3, "AES/CBC/PKCS5Padding"

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

    move-result-object v3

    .line 75
    .local v3, "cipher":Ljavax/crypto/Cipher;
    const/4 v4, 0x2

    invoke-virtual {v3, v4, v1, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    .line 76
    invoke-virtual {v3, v0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object v4

    return-object v4
.end method

.method public static decryptYunceng(Ljava/lang/String;)[B
    .registers 6
    .param p0, "content"    # Ljava/lang/String;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .line 81
    const/4 v0, 0x0

    invoke-static {p0, v0}, Landroid/util/Base64;->decode(Ljava/lang/String;I)[B

    move-result-object v0

    .line 82
    .local v0, "byteMi":[B
    new-instance v1, Ljavax/crypto/spec/SecretKeySpec;

    const-string v2, "2018201820182018"

    invoke-virtual {v2}, Ljava/lang/String;->getBytes()[B

    move-result-object v2

    const-string v3, "AES"

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

    .line 83
    .local v1, "secretKeySpec":Ljavax/crypto/spec/SecretKeySpec;
    new-instance v2, Ljavax/crypto/spec/IvParameterSpec;

    const-string v3, "1234567887654321"

    invoke-virtual {v3}, Ljava/lang/String;->getBytes()[B

    move-result-object v3

    invoke-direct {v2, v3}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    .line 85
    .local v2, "ivSpec":Ljavax/crypto/spec/IvParameterSpec;
    const-string v3, "AES/CBC/PKCS5Padding"

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

    move-result-object v3

    .line 87
    .local v3, "cipher":Ljavax/crypto/Cipher;
    const/4 v4, 0x2

    invoke-virtual {v3, v4, v1, v2}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    .line 88
    invoke-virtual {v3, v0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object v4

    return-object v4
.end method

.method public static encrypt(Ljava/lang/String;)Ljava/lang/String;
    .registers 5
    .param p0, "text"    # Ljava/lang/String;

    .line 28
    const-string v0, ""

    invoke-static {p0}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v1

    if-eqz v1, :cond_9

    .line 29
    return-object p0

    .line 32
    :cond_9
    :try_start_9
    invoke-static {p0}, Lim/tpelyyftgw/ui/utils/AesUtils;->encryptInternal(Ljava/lang/String;)[B

    move-result-object v1

    .line 33
    .local v1, "result":[B
    new-instance v2, Ljava/lang/String;

    const/4 v3, 0x0

    invoke-static {v1, v3}, Landroid/util/Base64;->encode([BI)[B

    move-result-object v3

    invoke-direct {v2, v3}, Ljava/lang/String;-><init>([B)V

    .line 34
    .local v2, "pass":Ljava/lang/String;
    const-string v3, "\n"

    invoke-virtual {v2, v3, v0}, Ljava/lang/String;->replaceAll(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

    move-result-object v0
    :try_end_1d
    .catch Ljava/lang/Exception; {:try_start_9 .. :try_end_1d} :catch_1e

    .line 35
    .end local v2    # "pass":Ljava/lang/String;
    .local v0, "pass":Ljava/lang/String;
    return-object v0

    .line 36
    .end local v0    # "pass":Ljava/lang/String;
    .end local v1    # "result":[B
    :catch_1e
    move-exception v1

    .line 37
    .local v1, "e":Ljava/lang/Exception;
    invoke-virtual {v1}, Ljava/lang/Exception;->printStackTrace()V

    .line 39
    .end local v1    # "e":Ljava/lang/Exception;
    return-object v0
.end method

.method private static encryptInternal(Ljava/lang/String;)[B
    .registers 5
    .param p0, "text"    # Ljava/lang/String;
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .line 44
    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    const-string v1, "Wu^tdJ92hFBqb7kz"

    invoke-virtual {v1}, Ljava/lang/String;->getBytes()[B

    move-result-object v1

    const-string v2, "AES"

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

    .line 45
    .local v0, "secretKeySpec":Ljavax/crypto/spec/SecretKeySpec;
    new-instance v1, Ljavax/crypto/spec/IvParameterSpec;

    const-string v2, "0392039203920300"

    invoke-virtual {v2}, Ljava/lang/String;->getBytes()[B

    move-result-object v2

    invoke-direct {v1, v2}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    .line 47
    .local v1, "ivSpec":Ljavax/crypto/spec/IvParameterSpec;
    const-string v2, "AES/CBC/PKCS5Padding"

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

    move-result-object v2

    .line 49
    .local v2, "cipher":Ljavax/crypto/Cipher;
    const/4 v3, 0x1

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

    .line 51
    const-string v3, "UTF-8"

    invoke-virtual {p0, v3}, Ljava/lang/String;->getBytes(Ljava/lang/String;)[B

    move-result-object v3

    invoke-virtual {v2, v3}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object v3

    return-object v3
.end method