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/*
* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OPENSSL_ENCODER_H
# define OPENSSL_ENCODER_H
# pragma once
# include <openssl/opensslconf.h>
# ifndef OPENSSL_NO_STDIO
# include <stdio.h>
# endif
# include <stdarg.h>
# include <stddef.h>
# include <openssl/encodererr.h>
# include <openssl/types.h>
# include <openssl/core.h>
# ifdef __cplusplus
extern "C" {
# endif
OSSL_ENCODER *OSSL_ENCODER_fetch(OSSL_LIB_CTX *libctx, const char *name,
const char *properties);
int OSSL_ENCODER_up_ref(OSSL_ENCODER *encoder);
void OSSL_ENCODER_free(OSSL_ENCODER *encoder);
const OSSL_PROVIDER *OSSL_ENCODER_get0_provider(const OSSL_ENCODER *encoder);
const char *OSSL_ENCODER_get0_properties(const OSSL_ENCODER *encoder);
const char *OSSL_ENCODER_get0_name(const OSSL_ENCODER *kdf);
const char *OSSL_ENCODER_get0_description(const OSSL_ENCODER *kdf);
int OSSL_ENCODER_is_a(const OSSL_ENCODER *encoder, const char *name);
void OSSL_ENCODER_do_all_provided(OSSL_LIB_CTX *libctx,
void (*fn)(OSSL_ENCODER *encoder, void *arg),
void *arg);
int OSSL_ENCODER_names_do_all(const OSSL_ENCODER *encoder,
void (*fn)(const char *name, void *data),
void *data);
const OSSL_PARAM *OSSL_ENCODER_gettable_params(OSSL_ENCODER *encoder);
int OSSL_ENCODER_get_params(OSSL_ENCODER *encoder, OSSL_PARAM params[]);
const OSSL_PARAM *OSSL_ENCODER_settable_ctx_params(OSSL_ENCODER *encoder);
OSSL_ENCODER_CTX *OSSL_ENCODER_CTX_new(void);
int OSSL_ENCODER_CTX_set_params(OSSL_ENCODER_CTX *ctx,
const OSSL_PARAM params[]);
void OSSL_ENCODER_CTX_free(OSSL_ENCODER_CTX *ctx);
/* Utilities that help set specific parameters */
int OSSL_ENCODER_CTX_set_passphrase(OSSL_ENCODER_CTX *ctx,
const unsigned char *kstr, size_t klen);
int OSSL_ENCODER_CTX_set_pem_password_cb(OSSL_ENCODER_CTX *ctx,
pem_password_cb *cb, void *cbarg);
int OSSL_ENCODER_CTX_set_passphrase_cb(OSSL_ENCODER_CTX *ctx,
OSSL_PASSPHRASE_CALLBACK *cb,
void *cbarg);
int OSSL_ENCODER_CTX_set_passphrase_ui(OSSL_ENCODER_CTX *ctx,
const UI_METHOD *ui_method,
void *ui_data);
int OSSL_ENCODER_CTX_set_cipher(OSSL_ENCODER_CTX *ctx,
const char *cipher_name,
const char *propquery);
int OSSL_ENCODER_CTX_set_selection(OSSL_ENCODER_CTX *ctx, int selection);
int OSSL_ENCODER_CTX_set_output_type(OSSL_ENCODER_CTX *ctx,
const char *output_type);
int OSSL_ENCODER_CTX_set_output_structure(OSSL_ENCODER_CTX *ctx,
const char *output_structure);
/* Utilities to add encoders */
int OSSL_ENCODER_CTX_add_encoder(OSSL_ENCODER_CTX *ctx, OSSL_ENCODER *encoder);
int OSSL_ENCODER_CTX_add_extra(OSSL_ENCODER_CTX *ctx,
OSSL_LIB_CTX *libctx, const char *propq);
int OSSL_ENCODER_CTX_get_num_encoders(OSSL_ENCODER_CTX *ctx);
typedef struct ossl_encoder_instance_st OSSL_ENCODER_INSTANCE;
OSSL_ENCODER *
OSSL_ENCODER_INSTANCE_get_encoder(OSSL_ENCODER_INSTANCE *encoder_inst);
void *
OSSL_ENCODER_INSTANCE_get_encoder_ctx(OSSL_ENCODER_INSTANCE *encoder_inst);
const char *
OSSL_ENCODER_INSTANCE_get_output_type(OSSL_ENCODER_INSTANCE *encoder_inst);
const char *
OSSL_ENCODER_INSTANCE_get_output_structure(OSSL_ENCODER_INSTANCE *encoder_inst);
typedef const void *OSSL_ENCODER_CONSTRUCT(OSSL_ENCODER_INSTANCE *encoder_inst,
void *construct_data);
typedef void OSSL_ENCODER_CLEANUP(void *construct_data);
int OSSL_ENCODER_CTX_set_construct(OSSL_ENCODER_CTX *ctx,
OSSL_ENCODER_CONSTRUCT *construct);
int OSSL_ENCODER_CTX_set_construct_data(OSSL_ENCODER_CTX *ctx,
void *construct_data);
int OSSL_ENCODER_CTX_set_cleanup(OSSL_ENCODER_CTX *ctx,
OSSL_ENCODER_CLEANUP *cleanup);
/* Utilities to output the object to encode */
int OSSL_ENCODER_to_bio(OSSL_ENCODER_CTX *ctx, BIO *out);
#ifndef OPENSSL_NO_STDIO
int OSSL_ENCODER_to_fp(OSSL_ENCODER_CTX *ctx, FILE *fp);
#endif
int OSSL_ENCODER_to_data(OSSL_ENCODER_CTX *ctx, unsigned char **pdata,
size_t *pdata_len);
/*
* Create the OSSL_ENCODER_CTX with an associated type. This will perform
* an implicit OSSL_ENCODER_fetch(), suitable for the object of that type.
* This is more useful than calling OSSL_ENCODER_CTX_new().
*/
OSSL_ENCODER_CTX *OSSL_ENCODER_CTX_new_for_pkey(const EVP_PKEY *pkey,
int selection,
const char *output_type,
const char *output_struct,
const char *propquery);
# ifdef __cplusplus
}
# endif
#endif
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