n.smali
.class public final Lcom/subgraph/orchid/crypto/n;
.super Ljava/lang/Object;
.source "TorNTorKeyAgreement.java"
# interfaces
.implements Lcom/subgraph/orchid/crypto/k;
# static fields
.field private static bGc:I
.field private static bGd:I
.field private static bGe:Ljava/nio/charset/Charset;
# instance fields
.field private final bCk:Lcom/subgraph/orchid/crypto/q;
.field public final bGf:Lcom/subgraph/orchid/d/c;
.field public final bGg:[B
.field private final bGh:[B
.field public final bGi:[B
.field private bGj:Z
# direct methods
.method static constructor <clinit>()V
.registers 1
.prologue
.line 23
const/16 v0, 0xcc
sput v0, Lcom/subgraph/orchid/crypto/n;->bGc:I
.line 24
const/16 v0, 0xb2
sput v0, Lcom/subgraph/orchid/crypto/n;->bGd:I
.line 25
const-string v0, "ISO-8859-1"
invoke-static {v0}, Ljava/nio/charset/Charset;->forName(Ljava/lang/String;)Ljava/nio/charset/Charset;
move-result-object v0
sput-object v0, Lcom/subgraph/orchid/crypto/n;->bGe:Ljava/nio/charset/Charset;
return-void
.end method
.method public constructor <init>(Lcom/subgraph/orchid/d/c;[B)V
.registers 8
.prologue
const/16 v4, 0x20
const/16 v3, 0x1f
.line 33
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
.line 27
new-instance v0, Lcom/subgraph/orchid/crypto/q;
invoke-direct {v0}, Lcom/subgraph/orchid/crypto/q;-><init>()V
iput-object v0, p0, Lcom/subgraph/orchid/crypto/n;->bCk:Lcom/subgraph/orchid/crypto/q;
.line 34
iput-object p1, p0, Lcom/subgraph/orchid/crypto/n;->bGf:Lcom/subgraph/orchid/d/c;
.line 35
iput-object p2, p0, Lcom/subgraph/orchid/crypto/n;->bGg:[B
.line 1055
iget-object v0, p0, Lcom/subgraph/orchid/crypto/n;->bCk:Lcom/subgraph/orchid/crypto/q;
invoke-virtual {v0, v4}, Lcom/subgraph/orchid/crypto/q;->getBytes(I)[B
move-result-object v0
.line 1056
const/4 v1, 0x0
aget-byte v2, v0, v1
and-int/lit16 v2, v2, 0xf8
int-to-byte v2, v2
aput-byte v2, v0, v1
.line 1057
aget-byte v1, v0, v3
and-int/lit8 v1, v1, 0x7f
int-to-byte v1, v1
aput-byte v1, v0, v3
.line 1058
aget-byte v1, v0, v3
or-int/lit8 v1, v1, 0x40
int-to-byte v1, v1
aput-byte v1, v0, v3
.line 36
iput-object v0, p0, Lcom/subgraph/orchid/crypto/n;->bGh:[B
.line 37
iget-object v0, p0, Lcom/subgraph/orchid/crypto/n;->bGh:[B
.line 1063
new-array v1, v4, [B
.line 1064
invoke-static {v1, v0}, Lcom/subgraph/orchid/crypto/g;->f([B[B)I
.line 37
iput-object v1, p0, Lcom/subgraph/orchid/crypto/n;->bGi:[B
.line 38
return-void
.end method
.method public static Mc()Ljava/nio/ByteBuffer;
.registers 1
.prologue
.line 50
const/16 v0, 0x54
new-array v0, v0, [B
.line 51
invoke-static {v0}, Ljava/nio/ByteBuffer;->wrap([B)Ljava/nio/ByteBuffer;
move-result-object v0
return-object v0
.end method
.method public static Md()[B
.registers 2
.prologue
.line 93
const-string v0, "ntorNTORntorNTOR"
sget-object v1, Lcom/subgraph/orchid/crypto/n;->bGe:Ljava/nio/charset/Charset;
invoke-virtual {v0, v1}, Ljava/lang/String;->getBytes(Ljava/nio/charset/Charset;)[B
move-result-object v0
return-object v0
.end method
.method private an([B)[B
.registers 10
.prologue
const/16 v7, 0x20
const/4 v1, 0x1
const/4 v2, 0x0
.line 121
new-array v5, v7, [B
.line 122
iget-object v0, p0, Lcom/subgraph/orchid/crypto/n;->bGh:[B
invoke-static {v5, v0, p1}, Lcom/subgraph/orchid/crypto/g;->a([B[B[B)I
.line 123
iget-boolean v6, p0, Lcom/subgraph/orchid/crypto/n;->bGj:Z
move v3, v2
move v4, v1
.line 4129
:goto_f
if-ge v3, v7, :cond_1d
aget-byte v0, v5, v3
.line 4130
if-nez v0, :cond_1b
move v0, v1
:goto_16
and-int/2addr v4, v0
.line 4129
add-int/lit8 v0, v3, 0x1
move v3, v0
goto :goto_f
:cond_1b
move v0, v2
.line 4130
goto :goto_16
.line 123
:cond_1d
or-int v0, v6, v4
iput-boolean v0, p0, Lcom/subgraph/orchid/crypto/n;->bGj:Z
.line 124
return-object v5
.end method
.method private static e(Ljava/lang/String;[B)[B
.registers 4
.prologue
.line 136
.line 4153
invoke-virtual {p0}, Ljava/lang/String;->isEmpty()Z
move-result v0
if-eqz v0, :cond_13
.line 4154
const-string v0, "ntor-curve25519-sha256-1"
sget-object v1, Lcom/subgraph/orchid/crypto/n;->bGe:Ljava/nio/charset/Charset;
invoke-virtual {v0, v1}, Ljava/lang/String;->getBytes(Ljava/nio/charset/Charset;)[B
move-result-object v0
.line 136
:goto_e
invoke-static {p1, v0}, Lcom/subgraph/orchid/crypto/n;->h([B[B)[B
move-result-object v0
return-object v0
.line 4156
:cond_13
new-instance v0, Ljava/lang/StringBuilder;
const-string v1, "ntor-curve25519-sha256-1:"
invoke-direct {v0, v1}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V
invoke-virtual {v0, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v0
invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v0
sget-object v1, Lcom/subgraph/orchid/crypto/n;->bGe:Ljava/nio/charset/Charset;
invoke-virtual {v0, v1}, Ljava/lang/String;->getBytes(Ljava/nio/charset/Charset;)[B
move-result-object v0
goto :goto_e
.end method
.method private static h([B[B)[B
.registers 6
.prologue
.line 140
new-instance v0, Ljavax/crypto/spec/SecretKeySpec;
const-string v1, "HmacSHA256"
invoke-direct {v0, p1, v1}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V
.line 142
:try_start_7
const-string v1, "HmacSHA256"
invoke-static {v1}, Ljavax/crypto/Mac;->getInstance(Ljava/lang/String;)Ljavax/crypto/Mac;
move-result-object v1
.line 143
invoke-virtual {v1, v0}, Ljavax/crypto/Mac;->init(Ljava/security/Key;)V
.line 144
invoke-virtual {v1, p0}, Ljavax/crypto/Mac;->doFinal([B)[B
:try_end_13
.catch Ljava/security/NoSuchAlgorithmException; {:try_start_7 .. :try_end_13} :catch_15
.catch Ljava/security/InvalidKeyException; {:try_start_7 .. :try_end_13} :catch_2b
move-result-object v0
return-object v0
.line 145
:catch_15
move-exception v0
.line 146
new-instance v1, Ljava/lang/IllegalStateException;
new-instance v2, Ljava/lang/StringBuilder;
const-string v3, "Failed to 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 147
:catch_2b
move-exception v0
.line 148
new-instance v1, Ljava/lang/IllegalStateException;
new-instance v2, Ljava/lang/StringBuilder;
const-string v3, "Failed to 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
# virtual methods
.method public final b([B[B[B)Z
.registers 12
.prologue
const/16 v4, 0x20
const/4 v1, 0x1
const/4 v2, 0x0
.line 71
iput-boolean v2, p0, Lcom/subgraph/orchid/crypto/n;->bGj:Z
.line 73
invoke-static {p1}, Ljava/nio/ByteBuffer;->wrap([B)Ljava/nio/ByteBuffer;
move-result-object v0
.line 74
new-array v3, v4, [B
.line 75
new-array v4, v4, [B
.line 76
invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->get([B)Ljava/nio/ByteBuffer;
.line 77
invoke-virtual {v0, v4}, Ljava/nio/ByteBuffer;->get([B)Ljava/nio/ByteBuffer;
.line 1097
sget v0, Lcom/subgraph/orchid/crypto/n;->bGc:I
.line 2050
new-array v0, v0, [B
.line 2051
invoke-static {v0}, Ljava/nio/ByteBuffer;->wrap([B)Ljava/nio/ByteBuffer;
move-result-object v0
.line 1098
invoke-direct {p0, v3}, Lcom/subgraph/orchid/crypto/n;->an([B)[B
move-result-object v5
invoke-virtual {v0, v5}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 1099
iget-object v5, p0, Lcom/subgraph/orchid/crypto/n;->bGg:[B
invoke-direct {p0, v5}, Lcom/subgraph/orchid/crypto/n;->an([B)[B
move-result-object v5
invoke-virtual {v0, v5}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 1100
iget-object v5, p0, Lcom/subgraph/orchid/crypto/n;->bGf:Lcom/subgraph/orchid/d/c;
invoke-virtual {v5}, Lcom/subgraph/orchid/d/c;->Mf()[B
move-result-object v5
invoke-virtual {v0, v5}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 1101
iget-object v5, p0, Lcom/subgraph/orchid/crypto/n;->bGg:[B
invoke-virtual {v0, v5}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 1102
iget-object v5, p0, Lcom/subgraph/orchid/crypto/n;->bGi:[B
invoke-virtual {v0, v5}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 1103
invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 1104
const-string v5, "ntor-curve25519-sha256-1"
invoke-virtual {v5}, Ljava/lang/String;->getBytes()[B
move-result-object v5
invoke-virtual {v0, v5}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 1105
invoke-virtual {v0}, Ljava/nio/ByteBuffer;->array()[B
move-result-object v5
.line 80
const-string v0, "verify"
invoke-static {v0, v5}, Lcom/subgraph/orchid/crypto/n;->e(Ljava/lang/String;[B)[B
move-result-object v0
.line 2109
sget v6, Lcom/subgraph/orchid/crypto/n;->bGd:I
.line 3050
new-array v6, v6, [B
.line 3051
invoke-static {v6}, Ljava/nio/ByteBuffer;->wrap([B)Ljava/nio/ByteBuffer;
move-result-object v6
.line 2110
invoke-virtual {v6, v0}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 2111
iget-object v0, p0, Lcom/subgraph/orchid/crypto/n;->bGf:Lcom/subgraph/orchid/d/c;
invoke-virtual {v0}, Lcom/subgraph/orchid/d/c;->Mf()[B
move-result-object v0
invoke-virtual {v6, v0}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 2112
iget-object v0, p0, Lcom/subgraph/orchid/crypto/n;->bGg:[B
invoke-virtual {v6, v0}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 2113
invoke-virtual {v6, v3}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 2114
iget-object v0, p0, Lcom/subgraph/orchid/crypto/n;->bGi:[B
invoke-virtual {v6, v0}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 2115
const-string v0, "ntor-curve25519-sha256-1"
sget-object v3, Lcom/subgraph/orchid/crypto/n;->bGe:Ljava/nio/charset/Charset;
invoke-virtual {v0, v3}, Ljava/lang/String;->getBytes(Ljava/nio/charset/Charset;)[B
move-result-object v0
invoke-virtual {v6, v0}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 2116
const-string v0, "Server"
sget-object v3, Lcom/subgraph/orchid/crypto/n;->bGe:Ljava/nio/charset/Charset;
invoke-virtual {v0, v3}, Ljava/lang/String;->getBytes(Ljava/nio/charset/Charset;)[B
move-result-object v0
invoke-virtual {v6, v0}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 2117
invoke-virtual {v6}, Ljava/nio/ByteBuffer;->array()[B
move-result-object v0
.line 82
const-string v3, "mac"
invoke-static {v3, v0}, Lcom/subgraph/orchid/crypto/n;->e(Ljava/lang/String;[B)[B
move-result-object v0
.line 83
iget-boolean v3, p0, Lcom/subgraph/orchid/crypto/n;->bGj:Z
invoke-static {v0, v4}, Lcom/subgraph/orchid/g/a;->i([B[B)Z
move-result v0
if-nez v0, :cond_ef
move v0, v1
:goto_9f
or-int/2addr v0, v3
iput-boolean v0, p0, Lcom/subgraph/orchid/crypto/n;->bGj:Z
.line 84
const-string v0, "key_extract"
invoke-static {v0, v5}, Lcom/subgraph/orchid/crypto/n;->e(Ljava/lang/String;[B)[B
move-result-object v0
.line 86
new-instance v5, Lcom/subgraph/orchid/crypto/p;
invoke-direct {v5, v0}, Lcom/subgraph/orchid/crypto/p;-><init>([B)V
.line 4032
const/16 v0, 0x5c
invoke-static {v0}, Lcom/subgraph/orchid/crypto/p;->eP(I)Ljava/nio/ByteBuffer;
move-result-object v6
.line 4033
const/4 v0, 0x0
move-object v3, v0
move v4, v1
.line 4034
:goto_b6
invoke-virtual {v6}, Ljava/nio/ByteBuffer;->hasRemaining()Z
move-result v0
if-eqz v0, :cond_104
.line 4049
if-ne v4, v1, :cond_f1
.line 4050
sget-object v0, Lcom/subgraph/orchid/crypto/p;->bGo:[B
array-length v0, v0
add-int/lit8 v0, v0, 0x1
invoke-static {v0}, Lcom/subgraph/orchid/crypto/p;->eP(I)Ljava/nio/ByteBuffer;
move-result-object v0
.line 4055
:goto_c7
sget-object v3, Lcom/subgraph/orchid/crypto/p;->bGo:[B
invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
.line 4056
int-to-byte v3, v4
invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->put(B)Ljava/nio/ByteBuffer;
.line 4058
invoke-virtual {v5}, Lcom/subgraph/orchid/crypto/p;->Mj()Ljavax/crypto/Mac;
move-result-object v3
.line 4059
invoke-virtual {v0}, Ljava/nio/ByteBuffer;->array()[B
move-result-object v0
invoke-virtual {v3, v0}, Ljavax/crypto/Mac;->doFinal([B)[B
move-result-object v0
.line 4036
array-length v3, v0
invoke-virtual {v6}, Ljava/nio/ByteBuffer;->remaining()I
move-result v7
if-le v3, v7, :cond_100
.line 4037
invoke-virtual {v6}, Ljava/nio/ByteBuffer;->remaining()I
move-result v3
invoke-virtual {v6, v0, v2, v3}, Ljava/nio/ByteBuffer;->put([BII)Ljava/nio/ByteBuffer;
.line 4041
:goto_ea
add-int/lit8 v3, v4, 0x1
move v4, v3
move-object v3, v0
goto :goto_b6
:cond_ef
move v0, v2
.line 83
goto :goto_9f
.line 4052
:cond_f1
sget-object v0, Lcom/subgraph/orchid/crypto/p;->bGo:[B
array-length v0, v0
add-int/lit8 v0, v0, 0x20
add-int/lit8 v0, v0, 0x1
invoke-static {v0}, Lcom/subgraph/orchid/crypto/p;->eP(I)Ljava/nio/ByteBuffer;
move-result-object v0
.line 4053
invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
goto :goto_c7
.line 4039
:cond_100
invoke-virtual {v6, v0}, Ljava/nio/ByteBuffer;->put([B)Ljava/nio/ByteBuffer;
goto :goto_ea
.line 4043
:cond_104
invoke-virtual {v6}, Ljava/nio/ByteBuffer;->flip()Ljava/nio/Buffer;
.line 4026
invoke-virtual {v6, p2}, Ljava/nio/ByteBuffer;->get([B)Ljava/nio/ByteBuffer;
.line 4027
invoke-virtual {v6, p3}, Ljava/nio/ByteBuffer;->get([B)Ljava/nio/ByteBuffer;
.line 89
iget-boolean v0, p0, Lcom/subgraph/orchid/crypto/n;->bGj:Z
if-nez v0, :cond_112
:goto_111
return v1
:cond_112
move v1, v2
goto :goto_111
.end method