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Deprecate the ECDH functions.

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Use of the low level ECDH functions has been informally discouraged for a
long time. We now formally deprecate them.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10960)
This commit is contained in:
Pauli 2020-01-28 12:38:47 +10:00
parent ee8db22e27
commit 5e3f9aa4e9
4 changed files with 23 additions and 4 deletions
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6
crypto/ec/ec_kmeth.c
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@ -7,6 +7,12 @@
* https://www.openssl.org/source/license.html
*/
/*
* ECDH and ECDSA low level APIs are deprecated for public use, but still ok
* for internal use.
*/
#include "internal/deprecated.h"
#include <string.h>
#include <openssl/ec.h>
#include <openssl/engine.h>

6
crypto/ec/ec_pmeth.c
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@ -7,6 +7,12 @@
* https://www.openssl.org/source/license.html
*/
/*
* ECDH and ECDSA low level APIs are deprecated for public use, but still ok
* for internal use.
*/
#include "internal/deprecated.h"
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/asn1t.h>

6
crypto/ec/ecdh_kdf.c
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@ -7,6 +7,12 @@
* https://www.openssl.org/source/license.html
*/
/*
* ECDH low level APIs are deprecated for public use, but still ok for
* internal use.
*/
#include "internal/deprecated.h"
#include <string.h>
#include <openssl/core_names.h>
#include <openssl/ec.h>

9
include/openssl/ec.h
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@ -1180,10 +1180,11 @@ DEPRECATEDIN_3_0(int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
const unsigned char *sinfo, size_t sinfolen,
const EVP_MD *md))
int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
const EC_KEY *ecdh,
void *(*KDF) (const void *in, size_t inlen,
void *out, size_t *outlen));
DEPRECATEDIN_3_0(int ECDH_compute_key(void *out, size_t outlen,
const EC_POINT *pub_key,
const EC_KEY *ecdh,
void *(*KDF)(const void *in, size_t inlen,
void *out, size_t *outlen)))
typedef struct ECDSA_SIG_st ECDSA_SIG;