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  • openssl/ossl_asn1.c

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OpenSSL::ASN1::ASN1Data

Attributes

tag[RW]
tag_class[RW]
value[RW]

Public Class Methods

new(p1, p2, p3) click to toggle source 
 
               static VALUE
ossl_asn1data_initialize(VALUE self, VALUE value, VALUE tag, VALUE tag_class)
{
    if(!SYMBOL_P(tag_class))
        ossl_raise(eASN1Error, "invalid tag class");
    if((SYM2ID(tag_class) == sUNIVERSAL) && NUM2INT(tag) > 31)
        ossl_raise(eASN1Error, "tag number for Universal too large");
    ossl_asn1_set_tag(self, tag);
    ossl_asn1_set_value(self, value);
    ossl_asn1_set_tag_class(self, tag_class);

    return self;
}

Public Instance Methods

to_der() click to toggle source 
 
               static VALUE
ossl_asn1data_to_der(VALUE self)
{
    VALUE value, der;
    int tag, tag_class, is_cons = 0;
    long length;
    unsigned char *p;

    value = ossl_asn1_get_value(self);
    if(rb_obj_is_kind_of(value, rb_cArray)){
        is_cons = 1;
        value = join_der(value);
    }
    StringValue(value);

    tag = ossl_asn1_tag(self);
    tag_class = ossl_asn1_tag_class(self);
    if((length = ASN1_object_size(1, RSTRING(value)->len, tag)) <= 0)
        ossl_raise(eASN1Error, NULL);
    der = rb_str_new(0, length);
    p = RSTRING(der)->ptr;
    ASN1_put_object(&p, is_cons, RSTRING(value)->len, tag, tag_class);
    memcpy(p, RSTRING(value)->ptr, RSTRING(value)->len);
    p += RSTRING(value)->len;
    ossl_str_adjust(der, p);

    return der;
}