p.smali

.class public final Lcom/subgraph/orchid/crypto/p;
.super Ljava/lang/Object;
.source "TorRFC5869KeyDerivation.java"


# static fields
.field static final bGo:[B


# instance fields
.field private final seed:[B


# direct methods
.method static constructor <clinit>()V
    .registers 2

    .prologue
    .line 15
    const-string v0, "ntor-curve25519-sha256-1:key_expand"

    invoke-static {}, Lcom/subgraph/orchid/ac;->JX()Ljava/nio/charset/Charset;

    move-result-object v1

    invoke-virtual {v0, v1}, Ljava/lang/String;->getBytes(Ljava/nio/charset/Charset;)[B

    move-result-object v0

    sput-object v0, Lcom/subgraph/orchid/crypto/p;->bGo:[B

    return-void
.end method

.method public constructor <init>([B)V
    .registers 5

    .prologue
    const/4 v2, 0x0

    .line 19
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 20
    array-length v0, p1

    new-array v0, v0, [B

    iput-object v0, p0, Lcom/subgraph/orchid/crypto/p;->seed:[B

    .line 21
    iget-object v0, p0, Lcom/subgraph/orchid/crypto/p;->seed:[B

    array-length v1, p1

    invoke-static {p1, v2, v0, v2, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 22
    return-void
.end method

.method static eP(I)Ljava/nio/ByteBuffer;
    .registers 2

    .prologue
    .line 63
    new-array v0, p0, [B

    .line 64
    invoke-static {v0}, Ljava/nio/ByteBuffer;->wrap([B)Ljava/nio/ByteBuffer;

    move-result-object v0

    return-object v0
.end method


# virtual methods
.method final Mj()Ljavax/crypto/Mac;
    .registers 5

    .prologue
    .line 68
    new-instance v0, Ljavax/crypto/spec/SecretKeySpec;

    iget-object v1, p0, Lcom/subgraph/orchid/crypto/p;->seed:[B

    const-string v2, "HmacSHA256"

    invoke-direct {v0, v1, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V

    .line 70
    :try_start_9
    const-string v1, "HmacSHA256"

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

    move-result-object v1

    .line 71
    invoke-virtual {v1, v0}, Ljavax/crypto/Mac;->init(Ljava/security/Key;)V
    :try_end_12
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_9 .. :try_end_12} :catch_13
    .catch Ljava/security/InvalidKeyException; {:try_start_9 .. :try_end_12} :catch_29

    .line 72
    return-object v1

    .line 73
    :catch_13
    move-exception v0

    .line 74
    new-instance v1, Ljava/lang/IllegalStateException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Could not create HmacSHA256 instance: "

    invoke-direct {v2, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

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

    throw v1

    .line 75
    :catch_29
    move-exception v0

    .line 76
    new-instance v1, Ljava/lang/IllegalStateException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Could not create HmacSHA256 instance: "

    invoke-direct {v2, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    move-result-object v0

    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

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

    throw v1
.end method