Exemplo n.º 1
0
static unsigned char asn1_header_decode(struct asn1_ctx *ctx,
					unsigned char **eoc,
					unsigned int *cls,
					unsigned int *con,
					unsigned int *tag)
{
	unsigned int def, len;

	if (!asn1_id_decode(ctx, cls, con, tag))
		return 0;

	def = len = 0;
	if (!asn1_length_decode(ctx, &def, &len))
		return 0;

	/* primitive shall be definite, indefinite shall be constructed */
	if (*con == ASN1_PRI && !def)
		return 0;

	if (def)
		*eoc = ctx->pointer + len;
	else
		*eoc = NULL;
	return 1;
}
Exemplo n.º 2
0
static unsigned char
asn1_header_decode(struct asn1_ctx *ctx,
		   unsigned char **eoc,
		   unsigned int *cls, unsigned int *con, unsigned int *tag)
{
	unsigned int def, len;

	if (!asn1_id_decode(ctx, cls, con, tag))
		return 0;

	if (!asn1_length_decode(ctx, &def, &len))
		return 0;

	if (def)
		*eoc = ctx->pointer + len;
	else
		*eoc = NULL;
	return 1;
}