b.smali

.class public final Lcom/ijinshan/pluginslive/plugin/util/a/b;
.super Ljava/lang/Object;
.source "RSAUtils.java"


# static fields
.field private static a:Ljava/lang/String;


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

    .prologue
    .line 19
    const-string v0, "RSA"

    sput-object v0, Lcom/ijinshan/pluginslive/plugin/util/a/b;->a:Ljava/lang/String;

    return-void
.end method

.method public static a([BII[BILjava/security/PrivateKey;)I
    .registers 12

    .prologue
    .line 93
    :try_start_0
    sget-object v0, Lcom/ijinshan/pluginslive/plugin/util/a/b;->a:Ljava/lang/String;

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

    move-result-object v0

    .line 94
    const/4 v1, 0x2

    invoke-virtual {v0, v1, p5}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    move-object v1, p0

    move v2, p1

    move v3, p2

    move-object v4, p3

    move v5, p4

    .line 95
    invoke-virtual/range {v0 .. v5}, Ljavax/crypto/Cipher;->doFinal([BII[BI)I
    :try_end_12
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_12} :catch_14

    move-result v0

    .line 97
    :goto_13
    return v0

    .line 96
    :catch_14
    move-exception v0

    .line 97
    const/4 v0, -0x1

    goto :goto_13
.end method

.method public static a([BII[BILjava/security/PublicKey;)I
    .registers 12

    .prologue
    .line 104
    :try_start_0
    const-string v0, "RSA/NONE/PKCS1Padding"

    const-string v1, "BC"

    invoke-static {v0, v1}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v0

    .line 105
    const/4 v1, 0x2

    invoke-virtual {v0, v1, p5}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    move-object v1, p0

    move v2, p1

    move v3, p2

    move-object v4, p3

    move v5, p4

    .line 106
    invoke-virtual/range {v0 .. v5}, Ljavax/crypto/Cipher;->doFinal([BII[BI)I
    :try_end_14
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_14} :catch_16

    move-result v0

    .line 108
    :goto_15
    return v0

    .line 107
    :catch_16
    move-exception v0

    .line 108
    const/4 v0, -0x1

    goto :goto_15
.end method

.method public static a(Ljava/io/InputStream;)Ljava/security/PublicKey;
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/lang/Exception;
        }
    .end annotation

    .prologue
    .line 23
    :try_start_0
    invoke-static {p0}, Lcom/ijinshan/pluginslive/plugin/util/a/b;->b(Ljava/io/InputStream;)Ljava/lang/String;

    move-result-object v0

    .line 24
    const/4 v1, 0x0

    invoke-static {v0, v1}, Landroid/util/Base64;->decode(Ljava/lang/String;I)[B

    move-result-object v0

    .line 25
    new-instance v1, Ljava/security/spec/X509EncodedKeySpec;

    invoke-direct {v1, v0}, Ljava/security/spec/X509EncodedKeySpec;-><init>([B)V

    .line 26
    sget-object v0, Lcom/ijinshan/pluginslive/plugin/util/a/b;->a:Ljava/lang/String;

    invoke-static {v0}, Ljava/security/KeyFactory;->getInstance(Ljava/lang/String;)Ljava/security/KeyFactory;

    move-result-object v0

    .line 27
    invoke-virtual {v0, v1}, Ljava/security/KeyFactory;->generatePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;
    :try_end_17
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_17} :catch_19

    move-result-object v0

    return-object v0

    .line 28
    :catch_19
    move-exception v0

    .line 29
    new-instance v0, Ljava/lang/Exception;

    const-string v1, "\u516c\u94a5\u8bfb\u53d6\u9519\u8bef"

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

    throw v0
.end method

.method private static b(Ljava/io/InputStream;)Ljava/lang/String;
    .registers 6
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .prologue
    .line 77
    new-instance v0, Ljava/io/BufferedReader;

    new-instance v1, Ljava/io/InputStreamReader;

    invoke-direct {v1, p0}, Ljava/io/InputStreamReader;-><init>(Ljava/io/InputStream;)V

    invoke-direct {v0, v1}, Ljava/io/BufferedReader;-><init>(Ljava/io/Reader;)V

    .line 79
    new-instance v1, Ljava/lang/StringBuilder;

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

    .line 80
    :cond_f
    :goto_f
    invoke-virtual {v0}, Ljava/io/BufferedReader;->readLine()Ljava/lang/String;

    move-result-object v2

    if-eqz v2, :cond_27

    .line 81
    const/4 v3, 0x0

    invoke-virtual {v2, v3}, Ljava/lang/String;->charAt(I)C

    move-result v3

    const/16 v4, 0x2d

    if-eq v3, v4, :cond_f

    .line 82
    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    .line 83
    const/16 v2, 0xd

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

    goto :goto_f

    .line 87
    :cond_27
    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method