Encryption.smali
.class public Lcom/h/q/Encryption;
.super Ljava/lang/Object;
# instance fields
.field private decryptCipher:Ljavax/crypto/Cipher;
.field private encryptCipher:Ljavax/crypto/Cipher;
# direct methods
.method public constructor <init>(Ljava/lang/String;)V
.registers 5
const/4 v0, 0x0
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
iput-object v0, p0, Lcom/h/q/Encryption;->encryptCipher:Ljavax/crypto/Cipher;
iput-object v0, p0, Lcom/h/q/Encryption;->decryptCipher:Ljavax/crypto/Cipher;
:try_start_8
invoke-virtual {p1}, Ljava/lang/String;->getBytes()[B
move-result-object v0
invoke-direct {p0, v0}, Lcom/h/q/Encryption;->getKey([B)Ljava/security/Key;
move-result-object v0
const-string/jumbo v1, "DES"
invoke-static {v1}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;
move-result-object v1
iput-object v1, p0, Lcom/h/q/Encryption;->encryptCipher:Ljavax/crypto/Cipher;
iget-object v1, p0, Lcom/h/q/Encryption;->encryptCipher:Ljavax/crypto/Cipher;
const/4 v2, 0x1
invoke-virtual {v1, v2, v0}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V
const-string/jumbo v1, "DES"
invoke-static {v1}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;
move-result-object v1
iput-object v1, p0, Lcom/h/q/Encryption;->decryptCipher:Ljavax/crypto/Cipher;
iget-object v1, p0, Lcom/h/q/Encryption;->decryptCipher:Ljavax/crypto/Cipher;
const/4 v2, 0x2
invoke-virtual {v1, v2, v0}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V
:try_end_2e
.catch Ljava/lang/Exception; {:try_start_8 .. :try_end_2e} :catch_2f
:goto_2e
return-void
:catch_2f
move-exception v0
invoke-static {v0}, Lcom/h/r/Logger;->e(Ljava/lang/Throwable;)V
goto :goto_2e
.end method
.method public static byteArrayToHexStr([B)Ljava/lang/String;
.registers 7
const/16 v5, 0x10
array-length v2, p0
new-instance v3, Ljava/lang/StringBuffer;
shl-int/lit8 v0, v2, 0x1
invoke-direct {v3, v0}, Ljava/lang/StringBuffer;-><init>(I)V
const/4 v0, 0x0
move v1, v0
:goto_c
if-ge v1, v2, :cond_28
aget-byte v0, p0, v1
:goto_10
if-gez v0, :cond_15
add-int/lit16 v0, v0, 0x100
goto :goto_10
:cond_15
if-ge v0, v5, :cond_1d
const-string/jumbo v4, "0"
invoke-virtual {v3, v4}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;
:cond_1d
invoke-static {v0, v5}, Ljava/lang/Integer;->toString(II)Ljava/lang/String;
move-result-object v0
invoke-virtual {v3, v0}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;
add-int/lit8 v0, v1, 0x1
move v1, v0
goto :goto_c
:cond_28
invoke-virtual {v3}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;
move-result-object v0
return-object v0
.end method
.method private getKey([B)Ljava/security/Key;
.registers 6
const/16 v3, 0x8
new-array v1, v3, [B
const/4 v0, 0x0
:goto_5
array-length v2, p1
if-ge v0, v2, :cond_11
if-ge v0, v3, :cond_11
aget-byte v2, p1, v0
aput-byte v2, v1, v0
add-int/lit8 v0, v0, 0x1
goto :goto_5
:cond_11
new-instance v0, Ljavax/crypto/spec/SecretKeySpec;
const-string/jumbo v2, "DES"
invoke-direct {v0, v1, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V
return-object v0
.end method
.method public static getMD5ForString(Ljava/lang/String;)Ljava/lang/String;
.registers 6
new-instance v2, Ljava/lang/StringBuilder;
invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V
:try_start_5
const-string/jumbo v0, "MD5"
invoke-static {v0}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;
move-result-object v0
invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B
move-result-object v1
invoke-virtual {v0, v1}, Ljava/security/MessageDigest;->digest([B)[B
move-result-object v3
const/4 v0, 0x0
:goto_15
array-length v1, v3
if-ge v0, v1, :cond_36
aget-byte v1, v3, v0
if-gez v1, :cond_1e
add-int/lit16 v1, v1, 0x100
:cond_1e
const/16 v4, 0x10
if-ge v1, v4, :cond_28
const-string/jumbo v4, "0"
invoke-virtual {v2, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
:cond_28
invoke-static {v1}, Ljava/lang/Integer;->toHexString(I)Ljava/lang/String;
move-result-object v1
invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
:try_end_2f
.catch Ljava/security/NoSuchAlgorithmException; {:try_start_5 .. :try_end_2f} :catch_32
add-int/lit8 v0, v0, 0x1
goto :goto_15
:catch_32
move-exception v0
invoke-static {v0}, Lcom/h/r/Logger;->e(Ljava/lang/Throwable;)V
:cond_36
invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v0
return-object v0
.end method
.method public static hexStrToByteArray(Ljava/lang/String;)[B
.registers 8
invoke-virtual {p0}, Ljava/lang/String;->getBytes()[B
move-result-object v1
array-length v2, v1
div-int/lit8 v0, v2, 0x2
new-array v3, v0, [B
const/4 v0, 0x0
:goto_a
if-ge v0, v2, :cond_20
new-instance v4, Ljava/lang/String;
const/4 v5, 0x2
invoke-direct {v4, v1, v0, v5}, Ljava/lang/String;-><init>([BII)V
div-int/lit8 v5, v0, 0x2
const/16 v6, 0x10
invoke-static {v4, v6}, Ljava/lang/Integer;->parseInt(Ljava/lang/String;I)I
move-result v4
int-to-byte v4, v4
aput-byte v4, v3, v5
add-int/lit8 v0, v0, 0x2
goto :goto_a
:cond_20
return-object v3
.end method
# virtual methods
.method public decrypt(Ljava/lang/String;)Ljava/lang/String;
.registers 4
new-instance v0, Ljava/lang/String;
invoke-static {p1}, Lcom/h/q/Encryption;->hexStrToByteArray(Ljava/lang/String;)[B
move-result-object v1
invoke-virtual {p0, v1}, Lcom/h/q/Encryption;->decrypt([B)[B
move-result-object v1
invoke-direct {v0, v1}, Ljava/lang/String;-><init>([B)V
return-object v0
.end method
.method public decrypt([B)[B
.registers 3
iget-object v0, p0, Lcom/h/q/Encryption;->decryptCipher:Ljavax/crypto/Cipher;
invoke-virtual {v0, p1}, Ljavax/crypto/Cipher;->doFinal([B)[B
move-result-object v0
return-object v0
.end method
.method public encrypt(Ljava/lang/String;)Ljava/lang/String;
.registers 3
invoke-virtual {p1}, Ljava/lang/String;->getBytes()[B
move-result-object v0
invoke-virtual {p0, v0}, Lcom/h/q/Encryption;->encrypt([B)[B
move-result-object v0
invoke-static {v0}, Lcom/h/q/Encryption;->byteArrayToHexStr([B)Ljava/lang/String;
move-result-object v0
return-object v0
.end method
.method public encrypt([B)[B
.registers 3
iget-object v0, p0, Lcom/h/q/Encryption;->encryptCipher:Ljavax/crypto/Cipher;
invoke-virtual {v0, p1}, Ljavax/crypto/Cipher;->doFinal([B)[B
move-result-object v0
return-object v0
.end method