PEMUtil.smali

.class public Lorg/spongycastle/jce/provider/PEMUtil;
.super Ljava/lang/Object;
.source "PEMUtil.java"


# instance fields
.field private final _footer1:Ljava/lang/String;

.field private final _footer2:Ljava/lang/String;

.field private final _header1:Ljava/lang/String;

.field private final _header2:Ljava/lang/String;


# direct methods
.method constructor <init>(Ljava/lang/String;)V
    .registers 4

    .prologue
    .line 20
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    .line 21
    new-instance v0, Ljava/lang/StringBuilder;

    const-string v1, "-----BEGIN "

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

    invoke-virtual {v0, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v1, "-----"

    invoke-virtual {v0, v1}, 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

    iput-object v0, p0, Lorg/spongycastle/jce/provider/PEMUtil;->_header1:Ljava/lang/String;

    .line 22
    new-instance v0, Ljava/lang/StringBuilder;

    const-string v1, "-----BEGIN X509 "

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

    invoke-virtual {v0, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v1, "-----"

    invoke-virtual {v0, v1}, 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

    iput-object v0, p0, Lorg/spongycastle/jce/provider/PEMUtil;->_header2:Ljava/lang/String;

    .line 23
    new-instance v0, Ljava/lang/StringBuilder;

    const-string v1, "-----END "

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

    invoke-virtual {v0, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v1, "-----"

    invoke-virtual {v0, v1}, 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

    iput-object v0, p0, Lorg/spongycastle/jce/provider/PEMUtil;->_footer1:Ljava/lang/String;

    .line 24
    new-instance v0, Ljava/lang/StringBuilder;

    const-string v1, "-----END X509 "

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

    invoke-virtual {v0, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v1, "-----"

    invoke-virtual {v0, v1}, 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

    iput-object v0, p0, Lorg/spongycastle/jce/provider/PEMUtil;->_footer2:Ljava/lang/String;

    .line 25
    return-void
.end method

.method private readLine(Ljava/io/InputStream;)Ljava/lang/String;
    .registers 6

    .prologue
    const/16 v3, 0xd

    .line 32
    new-instance v0, Ljava/lang/StringBuffer;

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

    .line 36
    :cond_7
    :goto_7
    invoke-virtual {p1}, Ljava/io/InputStream;->read()I

    move-result v1

    if-eq v1, v3, :cond_1a

    const/16 v2, 0xa

    if-eq v1, v2, :cond_1a

    if-ltz v1, :cond_1a

    .line 38
    if-eq v1, v3, :cond_7

    .line 43
    int-to-char v1, v1

    invoke-virtual {v0, v1}, Ljava/lang/StringBuffer;->append(C)Ljava/lang/StringBuffer;

    goto :goto_7

    .line 46
    :cond_1a
    if-ltz v1, :cond_22

    invoke-virtual {v0}, Ljava/lang/StringBuffer;->length()I

    move-result v2

    if-eqz v2, :cond_7

    .line 48
    :cond_22
    if-gez v1, :cond_26

    .line 50
    const/4 v0, 0x0

    .line 53
    :goto_25
    return-object v0

    :cond_26
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;

    move-result-object v0

    goto :goto_25
.end method


# virtual methods
.method readPEMObject(Ljava/io/InputStream;)Lorg/spongycastle/asn1/ASN1Sequence;
    .registers 5

    .prologue
    .line 61
    new-instance v0, Ljava/lang/StringBuffer;

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

    .line 63
    :cond_5
    invoke-direct {p0, p1}, Lorg/spongycastle/jce/provider/PEMUtil;->readLine(Ljava/io/InputStream;)Ljava/lang/String;

    move-result-object v1

    if-eqz v1, :cond_1b

    .line 65
    iget-object v2, p0, Lorg/spongycastle/jce/provider/PEMUtil;->_header1:Ljava/lang/String;

    invoke-virtual {v1, v2}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v2

    if-nez v2, :cond_1b

    iget-object v2, p0, Lorg/spongycastle/jce/provider/PEMUtil;->_header2:Ljava/lang/String;

    invoke-virtual {v1, v2}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v1

    if-eqz v1, :cond_5

    .line 71
    :cond_1b
    :goto_1b
    invoke-direct {p0, p1}, Lorg/spongycastle/jce/provider/PEMUtil;->readLine(Ljava/io/InputStream;)Ljava/lang/String;

    move-result-object v1

    if-eqz v1, :cond_35

    .line 73
    iget-object v2, p0, Lorg/spongycastle/jce/provider/PEMUtil;->_footer1:Ljava/lang/String;

    invoke-virtual {v1, v2}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v2

    if-nez v2, :cond_35

    iget-object v2, p0, Lorg/spongycastle/jce/provider/PEMUtil;->_footer2:Ljava/lang/String;

    invoke-virtual {v1, v2}, Ljava/lang/String;->startsWith(Ljava/lang/String;)Z

    move-result v2

    if-nez v2, :cond_35

    .line 78
    invoke-virtual {v0, v1}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;

    goto :goto_1b

    .line 81
    :cond_35
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->length()I

    move-result v1

    if-eqz v1, :cond_5b

    .line 83
    new-instance v1, Lorg/spongycastle/asn1/ASN1InputStream;

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

    move-result-object v0

    invoke-static {v0}, Lorg/spongycastle/util/encoders/Base64;->decode(Ljava/lang/String;)[B

    move-result-object v0

    invoke-direct {v1, v0}, Lorg/spongycastle/asn1/ASN1InputStream;-><init>([B)V

    invoke-virtual {v1}, Lorg/spongycastle/asn1/ASN1InputStream;->readObject()Lorg/spongycastle/asn1/ASN1Primitive;

    move-result-object v0

    .line 84
    instance-of v1, v0, Lorg/spongycastle/asn1/ASN1Sequence;

    if-nez v1, :cond_58

    .line 86
    new-instance v0, Ljava/io/IOException;

    const-string v1, "malformed PEM data encountered"

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

    throw v0

    .line 89
    :cond_58
    check-cast v0, Lorg/spongycastle/asn1/ASN1Sequence;

    .line 92
    :goto_5a
    return-object v0

    :cond_5b
    const/4 v0, 0x0

    goto :goto_5a
.end method