a.smali

.class public final Lcom/baidu/techain/b/a;
.super Ljava/lang/Object;


# direct methods
.method public static a([B[B)[B
    .registers 8

    const/16 v5, 0x10

    const/4 v0, 0x0

    :try_start_3
    new-instance v1, Ljavax/crypto/spec/SecretKeySpec;

    const-string v2, "AES"

    invoke-direct {v1, p0, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    const-string v2, "AES/CBC/PKCS7Padding"

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

    move-result-object v2

    const/16 v3, 0x10

    new-array v3, v3, [B

    :goto_14
    if-ge v0, v5, :cond_1c

    const/4 v4, 0x0

    aput-byte v4, v3, v0

    add-int/lit8 v0, v0, 0x1

    goto :goto_14

    :cond_1c
    new-instance v0, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v0, v3}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    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

    move-result-object v1

    invoke-static {p1}, Lcom/baidu/techain/b/b;->a([B)[B

    move-result-object v2

    array-length v0, v1

    array-length v3, v2

    add-int/2addr v0, v3

    new-array v0, v0, [B

    const/4 v3, 0x0

    const/4 v4, 0x0

    array-length v5, v1

    invoke-static {v1, v3, v0, v4, v5}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    const/4 v3, 0x0

    array-length v1, v1

    array-length v4, v2

    invoke-static {v2, v3, v0, v1, v4}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
    :try_end_3e
    .catch Ljava/lang/Throwable; {:try_start_3 .. :try_end_3e} :catch_3f

    :goto_3e
    return-object v0

    :catch_3f
    move-exception v0

    const/4 v0, 0x0

    goto :goto_3e
.end method

.method public static b([B[B)[B
    .registers 8

    const/16 v5, 0x10

    const/4 v0, 0x0

    :try_start_3
    new-instance v1, Ljavax/crypto/spec/SecretKeySpec;

    const-string v2, "AES"

    invoke-direct {v1, p0, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    const-string v2, "AES/CBC/PKCS7Padding"

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

    move-result-object v2

    const/16 v3, 0x10

    new-array v3, v3, [B

    :goto_14
    if-ge v0, v5, :cond_1c

    const/4 v4, 0x0

    aput-byte v4, v3, v0

    add-int/lit8 v0, v0, 0x1

    goto :goto_14

    :cond_1c
    new-instance v0, Ljavax/crypto/spec/IvParameterSpec;

    invoke-direct {v0, v3}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    const/4 v3, 0x2

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

    array-length v0, p1

    add-int/lit8 v0, v0, -0x10

    new-array v0, v0, [B

    const/4 v1, 0x0

    const/4 v3, 0x0

    array-length v4, p1

    add-int/lit8 v4, v4, -0x10

    invoke-static {p1, v1, v0, v3, v4}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    invoke-virtual {v2, v0}, Ljavax/crypto/Cipher;->doFinal([B)[B
    :try_end_35
    .catch Ljava/lang/Throwable; {:try_start_3 .. :try_end_35} :catch_37

    move-result-object v0

    :goto_36
    return-object v0

    :catch_37
    move-exception v0

    const/4 v0, 0x0

    goto :goto_36
.end method