a.smali

.class public final Lcom/sdk/plus/h/a;
.super Ljava/lang/Object;


# direct methods
.method private static a([B)Ljava/lang/String;
    .registers 7

    const/4 v1, 0x0

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v0, ""

    invoke-direct {v2, v0}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    if-eqz p0, :cond_d

    array-length v0, p0

    if-gtz v0, :cond_f

    :cond_d
    const/4 v0, 0x0

    :goto_e
    return-object v0

    :cond_f
    move v0, v1

    :goto_10
    array-length v3, p0

    if-ge v0, v3, :cond_2b

    aget-byte v3, p0, v0

    and-int/lit16 v3, v3, 0xff

    invoke-static {v3}, Ljava/lang/Integer;->toHexString(I)Ljava/lang/String;

    move-result-object v3

    invoke-virtual {v3}, Ljava/lang/String;->length()I

    move-result v4

    const/4 v5, 0x2

    if-ge v4, v5, :cond_25

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

    :cond_25
    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    add-int/lit8 v0, v0, 0x1

    goto :goto_10

    :cond_2b
    invoke-virtual {v2}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    goto :goto_e
.end method

.method public static a(Ljava/io/File;Ljavax/crypto/spec/SecretKeySpec;)Ljavax/crypto/CipherOutputStream;
    .registers 13

    const/4 v10, 0x1

    const-wide/16 v8, 0x10

    const-wide/16 v6, 0x0

    new-instance v1, Ljava/io/RandomAccessFile;

    const-string v0, "rw"

    invoke-direct {v1, p0, v0}, Ljava/io/RandomAccessFile;-><init>(Ljava/io/File;Ljava/lang/String;)V

    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->length()J

    move-result-wide v2

    cmp-long v0, v2, v6

    if-nez v0, :cond_6d

    invoke-virtual {p1}, Ljavax/crypto/spec/SecretKeySpec;->getEncoded()[B

    move-result-object v0

    invoke-static {v0}, Lcom/sdk/plus/h/a;->a([B)Ljava/lang/String;

    move-result-object v2

    const-string v0, "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCzbMQ22qV6umuPXYWXEOGdlpJR\nBWMP68/ArS7XG8+7GmRbWMW1HOMLOOdwuIfPFp9QiwOshG0mYXlm1ecQ/fCXhRMW\nfh+OMCoBdl7vnCpoDYPmjYQBkm9fRW6oej33UhZtlnTZjECAsyC2Eybha7jg3Lft\ngYVnwaPShTmv5+Z9SQIDAQAB"

    invoke-static {v0}, Lcom/sdk/plus/f/c;->a(Ljava/lang/String;)[B

    move-result-object v0

    const-string v3, "RSA"

    invoke-static {v3}, Ljava/security/KeyFactory;->getInstance(Ljava/lang/String;)Ljava/security/KeyFactory;

    move-result-object v3

    new-instance v4, Ljava/security/spec/X509EncodedKeySpec;

    invoke-direct {v4, v0}, Ljava/security/spec/X509EncodedKeySpec;-><init>([B)V

    invoke-virtual {v3, v4}, Ljava/security/KeyFactory;->generatePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;

    move-result-object v0

    check-cast v0, Ljava/security/interfaces/RSAPublicKey;

    const-string v3, "RSA/ECB/OAEPWithSHA1AndMGF1Padding"

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

    move-result-object v3

    invoke-virtual {v3, v10, v0}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

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

    move-result-object v0

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

    move-result-object v0

    invoke-static {v0}, Lcom/sdk/plus/h/a;->a([B)Ljava/lang/String;

    invoke-virtual {v1, v0}, Ljava/io/RandomAccessFile;->write([B)V

    const-string v0, "iamgetuimagicnum"

    const-string v2, "UTF-8"

    invoke-virtual {v0, v2}, Ljava/lang/String;->getBytes(Ljava/lang/String;)[B

    move-result-object v0

    invoke-virtual {v1, v0}, Ljava/io/RandomAccessFile;->write([B)V

    :goto_55
    const-string v0, "AES/ECB/PKCS7Padding"

    invoke-static {v0}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v0

    invoke-virtual {v0, v10, p1}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    new-instance v2, Ljavax/crypto/CipherOutputStream;

    new-instance v3, Ljava/io/FileOutputStream;

    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->getFD()Ljava/io/FileDescriptor;

    move-result-object v1

    invoke-direct {v3, v1}, Ljava/io/FileOutputStream;-><init>(Ljava/io/FileDescriptor;)V

    invoke-direct {v2, v3, v0}, Ljavax/crypto/CipherOutputStream;-><init>(Ljava/io/OutputStream;Ljavax/crypto/Cipher;)V

    return-object v2

    :cond_6d
    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->length()J

    move-result-wide v2

    const-wide/16 v4, 0x90

    cmp-long v0, v2, v4

    if-gez v0, :cond_7f

    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "Invalid file length (need 144 bytes for aes key and magic num)"

    invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_7f
    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->length()J

    move-result-wide v2

    rem-long/2addr v2, v8

    cmp-long v0, v2, v6

    if-eqz v0, :cond_a9

    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->length()J

    move-result-wide v2

    rem-long/2addr v2, v8

    long-to-int v0, v2

    int-to-long v2, v0

    cmp-long v0, v2, v8

    if-gez v0, :cond_97

    cmp-long v0, v2, v6

    if-gtz v0, :cond_9f

    :cond_97
    :goto_97
    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->length()J

    move-result-wide v2

    invoke-virtual {v1, v2, v3}, Ljava/io/RandomAccessFile;->seek(J)V

    goto :goto_55

    :cond_9f
    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->length()J

    move-result-wide v4

    sub-long v2, v4, v2

    invoke-virtual {v1, v2, v3}, Ljava/io/RandomAccessFile;->setLength(J)V

    goto :goto_97

    :cond_a9
    invoke-virtual {v1}, Ljava/io/RandomAccessFile;->length()J

    move-result-wide v2

    invoke-virtual {v1, v2, v3}, Ljava/io/RandomAccessFile;->seek(J)V

    goto :goto_55
.end method

.method public static a()V
    .registers 4

    const-string v0, "AES"

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

    move-result-object v0

    const/16 v1, 0x80

    invoke-virtual {v0, v1}, Ljavax/crypto/KeyGenerator;->init(I)V

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

    move-result-object v0

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

    move-result-object v0

    sput-object v0, Lcom/sdk/plus/c/b;->f:[B

    sget-object v0, Lcom/sdk/plus/c/b;->c:Landroid/content/Context;

    const-string v1, "logkey"

    sget-object v2, Lcom/sdk/plus/c/b;->f:[B

    sget-object v3, Lcom/sdk/plus/c/b;->e:Ljava/lang/String;

    invoke-static {v2, v3}, Lcom/sdk/plus/f/e;->b([BLjava/lang/String;)[B

    move-result-object v2

    invoke-static {v2}, Lcom/sdk/plus/h/a;->a([B)Ljava/lang/String;

    move-result-object v2

    invoke-static {v0, v1, v2}, Lcom/sdk/plus/j/g;->a(Landroid/content/Context;Ljava/lang/String;Ljava/lang/Object;)V

    sget-object v0, Lcom/sdk/plus/c/b;->c:Landroid/content/Context;

    const-string v1, "logkey"

    const-string v2, ""

    invoke-static {v0, v1, v2}, Lcom/sdk/plus/j/g;->b(Landroid/content/Context;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;

    return-void
.end method

.method public static b()[B
    .registers 7

    const/4 v1, 0x0

    sget-object v0, Lcom/sdk/plus/c/b;->f:[B

    if-nez v0, :cond_2b

    sget-object v0, Lcom/sdk/plus/c/b;->c:Landroid/content/Context;

    const-string v2, "logkey"

    const-string v3, ""

    invoke-static {v0, v2, v3}, Lcom/sdk/plus/j/g;->b(Landroid/content/Context;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;

    move-result-object v0

    check-cast v0, Ljava/lang/String;

    invoke-static {v0}, Landroid/text/TextUtils;->isEmpty(Ljava/lang/CharSequence;)Z

    move-result v2

    if-eqz v2, :cond_18

    :goto_17
    return-object v1

    :cond_18
    if-eqz v0, :cond_22

    const-string v2, ""

    invoke-virtual {v0, v2}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v2

    if-eqz v2, :cond_2e

    :cond_22
    move-object v0, v1

    :cond_23
    sget-object v1, Lcom/sdk/plus/c/b;->e:Ljava/lang/String;

    invoke-static {v0, v1}, Lcom/sdk/plus/f/e;->a([BLjava/lang/String;)[B

    move-result-object v0

    sput-object v0, Lcom/sdk/plus/c/b;->f:[B

    :cond_2b
    sget-object v1, Lcom/sdk/plus/c/b;->f:[B

    goto :goto_17

    :cond_2e
    invoke-virtual {v0}, Ljava/lang/String;->toUpperCase()Ljava/lang/String;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/String;->length()I

    move-result v1

    div-int/lit8 v2, v1, 0x2

    invoke-virtual {v0}, Ljava/lang/String;->toCharArray()[C

    move-result-object v3

    new-array v0, v2, [B

    const/4 v1, 0x0

    :goto_3f
    if-ge v1, v2, :cond_23

    mul-int/lit8 v4, v1, 0x2

    aget-char v5, v3, v4

    const-string v6, "0123456789ABCDEF"

    invoke-virtual {v6, v5}, Ljava/lang/String;->indexOf(I)I

    move-result v5

    int-to-byte v5, v5

    shl-int/lit8 v5, v5, 0x4

    add-int/lit8 v4, v4, 0x1

    aget-char v4, v3, v4

    const-string v6, "0123456789ABCDEF"

    invoke-virtual {v6, v4}, Ljava/lang/String;->indexOf(I)I

    move-result v4

    int-to-byte v4, v4

    or-int/2addr v4, v5

    int-to-byte v4, v4

    aput-byte v4, v0, v1

    add-int/lit8 v1, v1, 0x1

    goto :goto_3f
.end method