q.smali

.class public final Lcom/subgraph/orchid/crypto/q;
.super Ljava/lang/Object;
.source "TorRandom.java"


# instance fields
.field private final random:Ljava/security/SecureRandom;


# direct methods
.method public constructor <init>()V
    .registers 2

    .prologue
    .line 12
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 13
    invoke-static {}, Lcom/subgraph/orchid/crypto/q;->Mk()Ljava/security/SecureRandom;

    move-result-object v0

    iput-object v0, p0, Lcom/subgraph/orchid/crypto/q;->random:Ljava/security/SecureRandom;

    .line 14
    return-void
.end method

.method private static Mk()Ljava/security/SecureRandom;
    .registers 2

    .prologue
    .line 18
    :try_start_0
    const-string v0, "SHA1PRNG"

    invoke-static {v0}, Ljava/security/SecureRandom;->getInstance(Ljava/lang/String;)Ljava/security/SecureRandom;
    :try_end_5
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_5} :catch_7

    move-result-object v0

    return-object v0

    .line 19
    :catch_7
    move-exception v0

    .line 20
    new-instance v1, Lcom/subgraph/orchid/TorException;

    invoke-direct {v1, v0}, Lcom/subgraph/orchid/TorException;-><init>(Ljava/lang/Throwable;)V

    throw v1
.end method


# virtual methods
.method public final getBytes(I)[B
    .registers 4

    .prologue
    .line 25
    new-array v0, p1, [B

    .line 26
    iget-object v1, p0, Lcom/subgraph/orchid/crypto/q;->random:Ljava/security/SecureRandom;

    invoke-virtual {v1, v0}, Ljava/security/SecureRandom;->nextBytes([B)V

    .line 27
    return-object v0
.end method

.method public final nextInt(I)I
    .registers 3

    .prologue
    .line 40
    iget-object v0, p0, Lcom/subgraph/orchid/crypto/q;->random:Ljava/security/SecureRandom;

    invoke-virtual {v0, p1}, Ljava/security/SecureRandom;->nextInt(I)I

    move-result v0

    return v0
.end method

.method public final nextLong()J
    .registers 5

    .prologue
    .line 53
    iget-object v0, p0, Lcom/subgraph/orchid/crypto/q;->random:Ljava/security/SecureRandom;

    invoke-virtual {v0}, Ljava/security/SecureRandom;->nextLong()J

    move-result-wide v0

    const-wide v2, 0x7fffffffffffffffL

    and-long/2addr v0, v2

    return-wide v0
.end method

.method public final nextLong(J)J
    .registers 10

    .prologue
    .line 33
    :cond_0
    invoke-virtual {p0}, Lcom/subgraph/orchid/crypto/q;->nextLong()J

    move-result-wide v0

    .line 34
    rem-long v2, v0, p1

    .line 35
    sub-long/2addr v0, v2

    const-wide/16 v4, 0x1

    sub-long v4, p1, v4

    add-long/2addr v0, v4

    const-wide/16 v4, 0x0

    cmp-long v0, v0, v4

    if-ltz v0, :cond_0

    .line 36
    return-wide v2
.end method