DERGenerator.smali

.class public abstract Lorg/spongycastle/asn1/DERGenerator;
.super Lorg/spongycastle/asn1/ASN1Generator;
.source "DERGenerator.java"


# instance fields
.field private _isExplicit:Z

.field private _tagNo:I

.field private _tagged:Z


# direct methods
.method protected constructor <init>(Ljava/io/OutputStream;)V
    .registers 3

    .prologue
    .line 20
    invoke-direct {p0, p1}, Lorg/spongycastle/asn1/ASN1Generator;-><init>(Ljava/io/OutputStream;)V

    .line 13
    const/4 v0, 0x0

    iput-boolean v0, p0, Lorg/spongycastle/asn1/DERGenerator;->_tagged:Z

    .line 21
    return-void
.end method

.method public constructor <init>(Ljava/io/OutputStream;IZ)V
    .registers 5

    .prologue
    .line 35
    invoke-direct {p0, p1}, Lorg/spongycastle/asn1/ASN1Generator;-><init>(Ljava/io/OutputStream;)V

    .line 13
    const/4 v0, 0x0

    iput-boolean v0, p0, Lorg/spongycastle/asn1/DERGenerator;->_tagged:Z

    .line 37
    const/4 v0, 0x1

    iput-boolean v0, p0, Lorg/spongycastle/asn1/DERGenerator;->_tagged:Z

    .line 38
    iput-boolean p3, p0, Lorg/spongycastle/asn1/DERGenerator;->_isExplicit:Z

    .line 39
    iput p2, p0, Lorg/spongycastle/asn1/DERGenerator;->_tagNo:I

    .line 40
    return-void
.end method

.method private writeLength(Ljava/io/OutputStream;I)V
    .registers 5

    .prologue
    .line 47
    const/16 v0, 0x7f

    if-le p2, v0, :cond_23

    .line 49
    const/4 v0, 0x1

    move v1, v0

    move v0, p2

    .line 52
    :goto_7
    ushr-int/lit8 v0, v0, 0x8

    if-eqz v0, :cond_e

    .line 54
    add-int/lit8 v1, v1, 0x1

    goto :goto_7

    .line 57
    :cond_e
    or-int/lit16 v0, v1, 0x80

    int-to-byte v0, v0

    invoke-virtual {p1, v0}, Ljava/io/OutputStream;->write(I)V

    .line 59
    add-int/lit8 v0, v1, -0x1

    shl-int/lit8 v0, v0, 0x3

    :goto_18
    if-ltz v0, :cond_27

    .line 61
    shr-int v1, p2, v0

    int-to-byte v1, v1

    invoke-virtual {p1, v1}, Ljava/io/OutputStream;->write(I)V

    .line 59
    add-int/lit8 v0, v0, -0x8

    goto :goto_18

    .line 66
    :cond_23
    int-to-byte v0, p2

    invoke-virtual {p1, v0}, Ljava/io/OutputStream;->write(I)V

    .line 68
    :cond_27
    return-void
.end method


# virtual methods
.method writeDEREncoded(I[B)V
    .registers 6

    .prologue
    .line 86
    iget-boolean v0, p0, Lorg/spongycastle/asn1/DERGenerator;->_tagged:Z

    if-eqz v0, :cond_36

    .line 88
    iget v0, p0, Lorg/spongycastle/asn1/DERGenerator;->_tagNo:I

    or-int/lit16 v0, v0, 0x80

    .line 90
    iget-boolean v1, p0, Lorg/spongycastle/asn1/DERGenerator;->_isExplicit:Z

    if-eqz v1, :cond_24

    .line 92
    iget v0, p0, Lorg/spongycastle/asn1/DERGenerator;->_tagNo:I

    or-int/lit8 v0, v0, 0x20

    or-int/lit16 v0, v0, 0x80

    .line 94
    new-instance v1, Ljava/io/ByteArrayOutputStream;

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

    .line 96
    invoke-virtual {p0, v1, p1, p2}, Lorg/spongycastle/asn1/DERGenerator;->writeDEREncoded(Ljava/io/OutputStream;I[B)V

    .line 98
    iget-object v2, p0, Lorg/spongycastle/asn1/DERGenerator;->_out:Ljava/io/OutputStream;

    invoke-virtual {v1}, Ljava/io/ByteArrayOutputStream;->toByteArray()[B

    move-result-object v1

    invoke-virtual {p0, v2, v0, v1}, Lorg/spongycastle/asn1/DERGenerator;->writeDEREncoded(Ljava/io/OutputStream;I[B)V

    .line 116
    :goto_23
    return-void

    .line 102
    :cond_24
    and-int/lit8 v1, p1, 0x20

    if-eqz v1, :cond_30

    .line 104
    iget-object v1, p0, Lorg/spongycastle/asn1/DERGenerator;->_out:Ljava/io/OutputStream;

    or-int/lit8 v0, v0, 0x20

    invoke-virtual {p0, v1, v0, p2}, Lorg/spongycastle/asn1/DERGenerator;->writeDEREncoded(Ljava/io/OutputStream;I[B)V

    goto :goto_23

    .line 108
    :cond_30
    iget-object v1, p0, Lorg/spongycastle/asn1/DERGenerator;->_out:Ljava/io/OutputStream;

    invoke-virtual {p0, v1, v0, p2}, Lorg/spongycastle/asn1/DERGenerator;->writeDEREncoded(Ljava/io/OutputStream;I[B)V

    goto :goto_23

    .line 114
    :cond_36
    iget-object v0, p0, Lorg/spongycastle/asn1/DERGenerator;->_out:Ljava/io/OutputStream;

    invoke-virtual {p0, v0, p1, p2}, Lorg/spongycastle/asn1/DERGenerator;->writeDEREncoded(Ljava/io/OutputStream;I[B)V

    goto :goto_23
.end method

.method writeDEREncoded(Ljava/io/OutputStream;I[B)V
    .registers 5

    .prologue
    .line 76
    invoke-virtual {p1, p2}, Ljava/io/OutputStream;->write(I)V

    .line 77
    array-length v0, p3

    invoke-direct {p0, p1, v0}, Lorg/spongycastle/asn1/DERGenerator;->writeLength(Ljava/io/OutputStream;I)V

    .line 78
    invoke-virtual {p1, p3}, Ljava/io/OutputStream;->write([B)V

    .line 79
    return-void
.end method