tmap/smali_classes5/cz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom.smali
2022-06-10 21:38:30 +09:00

412 lines
11 KiB
Smali

.class public Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;
.super Ljava/security/SecureRandomSpi;
.source "PRNGFixes.java"
# annotations
.annotation system Ldalvik/annotation/EnclosingClass;
value = Lcz/msebera/android/httpclient/extras/PRNGFixes;
.end annotation
.annotation system Ldalvik/annotation/InnerClass;
accessFlags = 0x9
name = "LinuxPRNGSecureRandom"
.end annotation
# static fields
.field private static final URANDOM_FILE:Ljava/io/File;
.field private static final sLock:Ljava/lang/Object;
.field private static sUrandomIn:Ljava/io/DataInputStream;
.field private static sUrandomOut:Ljava/io/OutputStream;
# instance fields
.field private mSeeded:Z
# direct methods
.method public static constructor <clinit>()V
.locals 2
.line 1
new-instance v0, Ljava/io/File;
const-string v1, "/dev/urandom"
invoke-direct {v0, v1}, Ljava/io/File;-><init>(Ljava/lang/String;)V
sput-object v0, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->URANDOM_FILE:Ljava/io/File;
.line 2
new-instance v0, Ljava/lang/Object;
invoke-direct {v0}, Ljava/lang/Object;-><init>()V
sput-object v0, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sLock:Ljava/lang/Object;
return-void
.end method
.method public constructor <init>()V
.locals 0
.line 1
invoke-direct {p0}, Ljava/security/SecureRandomSpi;-><init>()V
return-void
.end method
.method private getUrandomInputStream()Ljava/io/DataInputStream;
.locals 5
.line 1
sget-object v0, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sLock:Ljava/lang/Object;
monitor-enter v0
.line 2
:try_start_0
sget-object v1, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sUrandomIn:Ljava/io/DataInputStream;
:try_end_0
.catchall {:try_start_0 .. :try_end_0} :catchall_0
if-nez v1, :cond_0
.line 3
:try_start_1
new-instance v1, Ljava/io/DataInputStream;
new-instance v2, Ljava/io/FileInputStream;
sget-object v3, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->URANDOM_FILE:Ljava/io/File;
invoke-direct {v2, v3}, Ljava/io/FileInputStream;-><init>(Ljava/io/File;)V
invoke-direct {v1, v2}, Ljava/io/DataInputStream;-><init>(Ljava/io/InputStream;)V
sput-object v1, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sUrandomIn:Ljava/io/DataInputStream;
:try_end_1
.catch Ljava/io/IOException; {:try_start_1 .. :try_end_1} :catch_0
.catchall {:try_start_1 .. :try_end_1} :catchall_0
goto :goto_0
:catch_0
move-exception v1
.line 4
:try_start_2
new-instance v2, Ljava/lang/SecurityException;
new-instance v3, Ljava/lang/StringBuilder;
invoke-direct {v3}, Ljava/lang/StringBuilder;-><init>()V
const-string v4, "Failed to open "
invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
sget-object v4, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->URANDOM_FILE:Ljava/io/File;
invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;
const-string v4, " for reading"
invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
invoke-virtual {v3}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v3
invoke-direct {v2, v3, v1}, Ljava/lang/SecurityException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V
throw v2
.line 5
:cond_0
:goto_0
sget-object v1, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sUrandomIn:Ljava/io/DataInputStream;
monitor-exit v0
return-object v1
:catchall_0
move-exception v1
.line 6
monitor-exit v0
:try_end_2
.catchall {:try_start_2 .. :try_end_2} :catchall_0
throw v1
.end method
.method private getUrandomOutputStream()Ljava/io/OutputStream;
.locals 3
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/io/IOException;
}
.end annotation
.line 1
sget-object v0, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sLock:Ljava/lang/Object;
monitor-enter v0
.line 2
:try_start_0
sget-object v1, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sUrandomOut:Ljava/io/OutputStream;
if-nez v1, :cond_0
.line 3
new-instance v1, Ljava/io/FileOutputStream;
sget-object v2, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->URANDOM_FILE:Ljava/io/File;
invoke-direct {v1, v2}, Ljava/io/FileOutputStream;-><init>(Ljava/io/File;)V
sput-object v1, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sUrandomOut:Ljava/io/OutputStream;
.line 4
:cond_0
sget-object v1, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sUrandomOut:Ljava/io/OutputStream;
monitor-exit v0
return-object v1
:catchall_0
move-exception v1
.line 5
monitor-exit v0
:try_end_0
.catchall {:try_start_0 .. :try_end_0} :catchall_0
throw v1
.end method
# virtual methods
.method public engineGenerateSeed(I)[B
.locals 0
.line 1
new-array p1, p1, [B
.line 2
invoke-virtual {p0, p1}, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->engineNextBytes([B)V
return-object p1
.end method
.method public engineNextBytes([B)V
.locals 3
.line 1
iget-boolean v0, p0, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->mSeeded:Z
if-nez v0, :cond_0
.line 2
invoke-static {}, Lcz/msebera/android/httpclient/extras/PRNGFixes;->a()[B
move-result-object v0
invoke-virtual {p0, v0}, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->engineSetSeed([B)V
.line 3
:cond_0
:try_start_0
sget-object v0, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sLock:Ljava/lang/Object;
monitor-enter v0
:try_end_0
.catch Ljava/io/IOException; {:try_start_0 .. :try_end_0} :catch_0
.line 4
:try_start_1
invoke-direct {p0}, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->getUrandomInputStream()Ljava/io/DataInputStream;
move-result-object v1
.line 5
monitor-exit v0
:try_end_1
.catchall {:try_start_1 .. :try_end_1} :catchall_1
.line 6
:try_start_2
monitor-enter v1
:try_end_2
.catch Ljava/io/IOException; {:try_start_2 .. :try_end_2} :catch_0
.line 7
:try_start_3
invoke-virtual {v1, p1}, Ljava/io/DataInputStream;->readFully([B)V
.line 8
monitor-exit v1
return-void
:catchall_0
move-exception p1
monitor-exit v1
:try_end_3
.catchall {:try_start_3 .. :try_end_3} :catchall_0
:try_start_4
throw p1
:try_end_4
.catch Ljava/io/IOException; {:try_start_4 .. :try_end_4} :catch_0
:catchall_1
move-exception p1
.line 9
:try_start_5
monitor-exit v0
:try_end_5
.catchall {:try_start_5 .. :try_end_5} :catchall_1
:try_start_6
throw p1
:try_end_6
.catch Ljava/io/IOException; {:try_start_6 .. :try_end_6} :catch_0
:catch_0
move-exception p1
.line 10
new-instance v0, Ljava/lang/SecurityException;
const-string v1, "Failed to read from "
invoke-static {v1}, Landroid/support/v4/media/d;->a(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
sget-object v2, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->URANDOM_FILE:Ljava/io/File;
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-direct {v0, v1, p1}, Ljava/lang/SecurityException;-><init>(Ljava/lang/String;Ljava/lang/Throwable;)V
throw v0
.end method
.method public engineSetSeed([B)V
.locals 3
const/4 v0, 0x1
.line 1
:try_start_0
sget-object v1, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->sLock:Ljava/lang/Object;
monitor-enter v1
:try_end_0
.catch Ljava/io/IOException; {:try_start_0 .. :try_end_0} :catch_0
.catchall {:try_start_0 .. :try_end_0} :catchall_1
.line 2
:try_start_1
invoke-direct {p0}, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->getUrandomOutputStream()Ljava/io/OutputStream;
move-result-object v2
.line 3
monitor-exit v1
:try_end_1
.catchall {:try_start_1 .. :try_end_1} :catchall_0
.line 4
:try_start_2
invoke-virtual {v2, p1}, Ljava/io/OutputStream;->write([B)V
.line 5
invoke-virtual {v2}, Ljava/io/OutputStream;->flush()V
:try_end_2
.catch Ljava/io/IOException; {:try_start_2 .. :try_end_2} :catch_0
.catchall {:try_start_2 .. :try_end_2} :catchall_1
.line 6
:goto_0
iput-boolean v0, p0, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->mSeeded:Z
goto :goto_1
:catchall_0
move-exception p1
.line 7
:try_start_3
monitor-exit v1
:try_end_3
.catchall {:try_start_3 .. :try_end_3} :catchall_0
:try_start_4
throw p1
:try_end_4
.catch Ljava/io/IOException; {:try_start_4 .. :try_end_4} :catch_0
.catchall {:try_start_4 .. :try_end_4} :catchall_1
:catchall_1
move-exception p1
goto :goto_2
.line 8
:catch_0
:try_start_5
const-class p1, Lcz/msebera/android/httpclient/extras/PRNGFixes;
invoke-virtual {p1}, Ljava/lang/Class;->getSimpleName()Ljava/lang/String;
move-result-object p1
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
const-string v2, "Failed to mix seed into "
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
sget-object v2, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->URANDOM_FILE:Ljava/io/File;
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-static {p1, v1}, Landroid/util/Log;->w(Ljava/lang/String;Ljava/lang/String;)I
:try_end_5
.catchall {:try_start_5 .. :try_end_5} :catchall_1
goto :goto_0
:goto_1
return-void
.line 9
:goto_2
iput-boolean v0, p0, Lcz/msebera/android/httpclient/extras/PRNGFixes$LinuxPRNGSecureRandom;->mSeeded:Z
throw p1
.end method