asn_codecs_prim.h

RSA加密/解密算法源码 asn1c-0.9.12

/*-
 * Copyright (c) 2004 Lev Walkin <[e-mail]>. All rights reserved.
 * Redistribution and modifications are permitted subject to BSD license.
 */
#ifndef	ASN_CODECS_PRIM_H
#define	ASN_CODECS_PRIM_H

#include <asn_application.h>

typedef struct ASN__PRIMITIVE_TYPE_s {
	uint8_t *buf;	/* Buffer with consecutive primitive encoding bytes */
	int size;	/* Size of the buffer */
} ASN__PRIMITIVE_TYPE_t;	/* Do not use this type directly! */

asn_struct_free_f ASN__PRIMITIVE_TYPE_free;
ber_type_decoder_f ber_decode_primitive;
der_type_encoder_f der_encode_primitive;

/*
 * A callback specification for the xer_decode_primitive() function below.
 */
enum xer_pbd_rval {
	XPBD_SYSTEM_FAILURE,	/* System failure (memory shortage, etc) */
	XPBD_DECODER_LIMIT,	/* Hit some decoder limitation or deficiency */
	XPBD_BROKEN_ENCODING,	/* Encoding of a primitive body is broken */
	XPBD_NOT_BODY_IGNORE,	/* Not a body format, but safe to ignore */
	XPBD_BODY_CONSUMED,	/* Body is recognized and consumed */
};
typedef enum xer_pbd_rval (xer_primitive_body_decoder_f)
	(asn_TYPE_descriptor_t *td, void *struct_ptr,
		const void *chunk_buf, size_t chunk_size);

/*
 * Specific function to decode simple primitive types.
 * Also see xer_decode_general() in xer_decoder.h
 */
asn_dec_rval_t xer_decode_primitive(asn_codec_ctx_t *opt_codec_ctx,
	asn_TYPE_descriptor_t *type_descriptor,
	void **struct_ptr, size_t struct_size,
	const char *opt_mname,
	void *buf_ptr, size_t size,
	xer_primitive_body_decoder_f *prim_body_decoder
);

#endif	/* ASN_CODECS_PRIM_H */