/*-
- * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
* Redistribution and modifications are permitted subject to BSD license.
*/
#ifndef _DER_ENCODER_H_
/*
* The DER encoder of any type. May be invoked by the application.
- * The ber_decode() function (ber_decoder.h) is an opposite of der_encode().
+ * Produces DER- and BER-compliant encoding. (DER is a subset of BER).
+ *
+ * NOTE: Use the ber_decode() function (ber_decoder.h) to decode data
+ * produced by der_encode().
*/
-asn_enc_rval_t der_encode(struct asn_TYPE_descriptor_s *type_descriptor,
- void *struct_ptr, /* Structure to be encoded */
- asn_app_consume_bytes_f *consume_bytes_cb,
- void *app_key /* Arbitrary callback argument */
- );
+asn_enc_rval_t der_encode(const struct asn_TYPE_descriptor_s *type_descriptor,
+ const void *struct_ptr, /* Structure to be encoded */
+ asn_app_consume_bytes_f *consume_bytes_cb,
+ void *app_key /* Arbitrary callback argument */
+);
/* A variant of der_encode() which encodes data into the pre-allocated buffer */
asn_enc_rval_t der_encode_to_buffer(
- struct asn_TYPE_descriptor_s *type_descriptor,
- void *struct_ptr, /* Structure to be encoded */
- void *buffer, /* Pre-allocated buffer */
- size_t buffer_size /* Initial buffer size (maximum) */
- );
+ const struct asn_TYPE_descriptor_s *type_descriptor,
+ const void *struct_ptr, /* Structure to be encoded */
+ void *buffer, /* Pre-allocated buffer */
+ size_t buffer_size /* Initial buffer size (maximum) */
+);
/*
* Type of the generic DER encoder.
*/
-typedef asn_enc_rval_t (der_type_encoder_f)(
- struct asn_TYPE_descriptor_s *type_descriptor,
- void *struct_ptr, /* Structure to be encoded */
- int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
- ber_tlv_tag_t tag,
- asn_app_consume_bytes_f *consume_bytes_cb, /* Callback */
- void *app_key /* Arbitrary callback argument */
- );
+typedef asn_enc_rval_t(der_type_encoder_f)(
+ const struct asn_TYPE_descriptor_s *type_descriptor,
+ const void *struct_ptr, /* Structure to be encoded */
+ int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
+ ber_tlv_tag_t tag, asn_app_consume_bytes_f *consume_bytes_cb, /* Callback */
+ void *app_key /* Arbitrary callback argument */
+);
/*******************************
/*
* Write out leading TL[v] sequence according to the type definition.
*/
-ssize_t der_write_tags(
- struct asn_TYPE_descriptor_s *type_descriptor,
- size_t struct_length,
- int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
- int last_tag_form, /* {0,!0}: prim, constructed */
- ber_tlv_tag_t tag,
- asn_app_consume_bytes_f *consume_bytes_cb,
- void *app_key
- );
+ssize_t der_write_tags(const struct asn_TYPE_descriptor_s *type_descriptor,
+ size_t struct_length,
+ int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
+ int last_tag_form, /* {0,!0}: prim, constructed */
+ ber_tlv_tag_t tag,
+ asn_app_consume_bytes_f *consume_bytes_cb,
+ void *app_key);
#ifdef __cplusplus
}