mirror of
https://github.com/openssl/openssl.git
synced 2024-11-30 21:44:16 +08:00
53cefef62b
Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14290)
353 lines
10 KiB
C
353 lines
10 KiB
C
/*
|
|
* Copyright 2020-2021 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
|
|
*/
|
|
|
|
#include "internal/deprecated.h"
|
|
|
|
#include <openssl/core_names.h>
|
|
#include <openssl/params.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/dh.h>
|
|
#include "crypto/dh.h"
|
|
#include "crypto/evp.h"
|
|
|
|
static int dh_paramgen_check(EVP_PKEY_CTX *ctx)
|
|
{
|
|
if (ctx == NULL || !EVP_PKEY_CTX_IS_GEN_OP(ctx)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
|
|
return -2;
|
|
}
|
|
/* If key type not DH return error */
|
|
if (evp_pkey_ctx_is_legacy(ctx)
|
|
&& ctx->pmeth->pkey_id != EVP_PKEY_DH
|
|
&& ctx->pmeth->pkey_id != EVP_PKEY_DHX)
|
|
return -1;
|
|
return 1;
|
|
}
|
|
|
|
static int dh_param_derive_check(EVP_PKEY_CTX *ctx)
|
|
{
|
|
if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
/* Uses the same return values as EVP_PKEY_CTX_ctrl */
|
|
return -2;
|
|
}
|
|
/* If key type not DH return error */
|
|
if (evp_pkey_ctx_is_legacy(ctx)
|
|
&& ctx->pmeth->pkey_id != EVP_PKEY_DH
|
|
&& ctx->pmeth->pkey_id != EVP_PKEY_DHX)
|
|
return -1;
|
|
return 1;
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_dh_paramgen_gindex(EVP_PKEY_CTX *ctx, int gindex)
|
|
{
|
|
int ret;
|
|
OSSL_PARAM params[2], *p = params;
|
|
|
|
if ((ret = dh_paramgen_check(ctx)) <= 0)
|
|
return ret;
|
|
|
|
*p++ = OSSL_PARAM_construct_int(OSSL_PKEY_PARAM_FFC_GINDEX, &gindex);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
return evp_pkey_ctx_set_params_strict(ctx, params);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_dh_paramgen_seed(EVP_PKEY_CTX *ctx,
|
|
const unsigned char *seed,
|
|
size_t seedlen)
|
|
{
|
|
int ret;
|
|
OSSL_PARAM params[2], *p = params;
|
|
|
|
if ((ret = dh_paramgen_check(ctx)) <= 0)
|
|
return ret;
|
|
|
|
*p++ = OSSL_PARAM_construct_octet_string(OSSL_PKEY_PARAM_FFC_SEED,
|
|
(void *)seed, seedlen);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
return evp_pkey_ctx_set_params_strict(ctx, params);
|
|
}
|
|
|
|
/*
|
|
* This one is currently implemented as an EVP_PKEY_CTX_ctrl() wrapper,
|
|
* simply because that's easier.
|
|
*/
|
|
int EVP_PKEY_CTX_set_dh_paramgen_type(EVP_PKEY_CTX *ctx, int typ)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN,
|
|
EVP_PKEY_CTRL_DH_PARAMGEN_TYPE, typ, NULL);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_dh_paramgen_prime_len(EVP_PKEY_CTX *ctx, int pbits)
|
|
{
|
|
int ret;
|
|
OSSL_PARAM params[2], *p = params;
|
|
size_t bits = pbits;
|
|
|
|
if ((ret = dh_paramgen_check(ctx)) <= 0)
|
|
return ret;
|
|
|
|
*p++ = OSSL_PARAM_construct_size_t(OSSL_PKEY_PARAM_FFC_PBITS, &bits);
|
|
*p = OSSL_PARAM_construct_end();
|
|
return evp_pkey_ctx_set_params_strict(ctx, params);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_dh_paramgen_subprime_len(EVP_PKEY_CTX *ctx, int qbits)
|
|
{
|
|
int ret;
|
|
OSSL_PARAM params[2], *p = params;
|
|
size_t bits2 = qbits;
|
|
|
|
if ((ret = dh_paramgen_check(ctx)) <= 0)
|
|
return ret;
|
|
|
|
*p++ = OSSL_PARAM_construct_size_t(OSSL_PKEY_PARAM_FFC_QBITS, &bits2);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
return evp_pkey_ctx_set_params_strict(ctx, params);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_dh_paramgen_generator(EVP_PKEY_CTX *ctx, int gen)
|
|
{
|
|
int ret;
|
|
OSSL_PARAM params[2], *p = params;
|
|
|
|
if ((ret = dh_paramgen_check(ctx)) <= 0)
|
|
return ret;
|
|
|
|
*p++ = OSSL_PARAM_construct_int(OSSL_PKEY_PARAM_DH_GENERATOR, &gen);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
return evp_pkey_ctx_set_params_strict(ctx, params);
|
|
}
|
|
|
|
/*
|
|
* This one is currently implemented as an EVP_PKEY_CTX_ctrl() wrapper,
|
|
* simply because that's easier.
|
|
*/
|
|
int EVP_PKEY_CTX_set_dh_rfc5114(EVP_PKEY_CTX *ctx, int gen)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, EVP_PKEY_OP_PARAMGEN,
|
|
EVP_PKEY_CTRL_DH_RFC5114, gen, NULL);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_dhx_rfc5114(EVP_PKEY_CTX *ctx, int gen)
|
|
{
|
|
return EVP_PKEY_CTX_set_dh_rfc5114(ctx, gen);
|
|
}
|
|
|
|
/*
|
|
* This one is currently implemented as an EVP_PKEY_CTX_ctrl() wrapper,
|
|
* simply because that's easier.
|
|
* TODO(3.0) Should this be deprecated in favor of passing a name or an
|
|
* ASN1_OBJECT (which can be converted to text internally)?
|
|
*/
|
|
int EVP_PKEY_CTX_set_dh_nid(EVP_PKEY_CTX *ctx, int nid)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH,
|
|
EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN,
|
|
EVP_PKEY_CTRL_DH_NID, nid, NULL);
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
|
|
{
|
|
OSSL_PARAM dh_pad_params[2];
|
|
unsigned int upad = pad;
|
|
|
|
/* We use EVP_PKEY_CTX_ctrl return values */
|
|
if (ctx == NULL || !EVP_PKEY_CTX_IS_DERIVE_OP(ctx)) {
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return -2;
|
|
}
|
|
|
|
dh_pad_params[0] = OSSL_PARAM_construct_uint(OSSL_EXCHANGE_PARAM_PAD, &upad);
|
|
dh_pad_params[1] = OSSL_PARAM_construct_end();
|
|
|
|
return evp_pkey_ctx_set_params_strict(ctx, dh_pad_params);
|
|
}
|
|
|
|
/*
|
|
* This one is currently implemented as an EVP_PKEY_CTX_ctrl() wrapper,
|
|
* simply because that's easier.
|
|
* TODO(3.0) Should this be deprecated in favor of passing a name?
|
|
*/
|
|
int EVP_PKEY_CTX_set_dh_kdf_type(EVP_PKEY_CTX *ctx, int kdf)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_DH_KDF_TYPE, kdf, NULL);
|
|
}
|
|
|
|
/*
|
|
* This one is currently implemented as an EVP_PKEY_CTX_ctrl() wrapper,
|
|
* simply because that's easier.
|
|
* TODO(3.0) Should this be deprecated in favor of getting a name?
|
|
*/
|
|
int EVP_PKEY_CTX_get_dh_kdf_type(EVP_PKEY_CTX *ctx)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_DH_KDF_TYPE, -2, NULL);
|
|
}
|
|
|
|
/*
|
|
* This one is currently implemented as an EVP_PKEY_CTX_ctrl() wrapper,
|
|
* simply because that's easier.
|
|
*/
|
|
int EVP_PKEY_CTX_set0_dh_kdf_oid(EVP_PKEY_CTX *ctx, ASN1_OBJECT *oid)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_DH_KDF_OID, 0, (void *)(oid));
|
|
}
|
|
|
|
/*
|
|
* This one is currently implemented as an EVP_PKEY_CTX_ctrl() wrapper,
|
|
* simply because that's easier.
|
|
*/
|
|
int EVP_PKEY_CTX_get0_dh_kdf_oid(EVP_PKEY_CTX *ctx, ASN1_OBJECT **oid)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_GET_DH_KDF_OID, 0, (void *)(oid));
|
|
}
|
|
|
|
/*
|
|
* This one is currently implemented as an EVP_PKEY_CTX_ctrl() wrapper,
|
|
* simply because that's easier.
|
|
* TODO(3.0) Should this be deprecated in favor of passing a name?
|
|
*/
|
|
int EVP_PKEY_CTX_set_dh_kdf_md(EVP_PKEY_CTX *ctx, const EVP_MD *md)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_DH_KDF_MD, 0, (void *)(md));
|
|
}
|
|
|
|
/*
|
|
* This one is currently implemented as an EVP_PKEY_CTX_ctrl() wrapper,
|
|
* simply because that's easier.
|
|
* TODO(3.0) Should this be deprecated in favor of getting a name?
|
|
*/
|
|
int EVP_PKEY_CTX_get_dh_kdf_md(EVP_PKEY_CTX *ctx, const EVP_MD **pmd)
|
|
{
|
|
return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, EVP_PKEY_OP_DERIVE,
|
|
EVP_PKEY_CTRL_GET_DH_KDF_MD, 0, (void *)(pmd));
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set_dh_kdf_outlen(EVP_PKEY_CTX *ctx, int outlen)
|
|
{
|
|
int ret;
|
|
size_t len = outlen;
|
|
OSSL_PARAM params[2], *p = params;
|
|
|
|
ret = dh_param_derive_check(ctx);
|
|
if (ret != 1)
|
|
return ret;
|
|
|
|
if (outlen <= 0) {
|
|
/*
|
|
* This would ideally be -1 or 0, but we have to retain compatibility
|
|
* with legacy behaviour of EVP_PKEY_CTX_ctrl() which returned -2 if
|
|
* inlen <= 0
|
|
*/
|
|
return -2;
|
|
}
|
|
|
|
*p++ = OSSL_PARAM_construct_size_t(OSSL_EXCHANGE_PARAM_KDF_OUTLEN,
|
|
&len);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
ret = evp_pkey_ctx_set_params_strict(ctx, params);
|
|
if (ret == -2)
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
return ret;
|
|
}
|
|
|
|
int EVP_PKEY_CTX_get_dh_kdf_outlen(EVP_PKEY_CTX *ctx, int *plen)
|
|
{
|
|
int ret;
|
|
size_t len = UINT_MAX;
|
|
OSSL_PARAM params[2], *p = params;
|
|
|
|
ret = dh_param_derive_check(ctx);
|
|
if (ret != 1)
|
|
return ret;
|
|
|
|
*p++ = OSSL_PARAM_construct_size_t(OSSL_EXCHANGE_PARAM_KDF_OUTLEN,
|
|
&len);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
ret = evp_pkey_ctx_get_params_strict(ctx, params);
|
|
if (ret == -2)
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
if (ret != 1 || len > INT_MAX)
|
|
return -1;
|
|
|
|
*plen = (int)len;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int EVP_PKEY_CTX_set0_dh_kdf_ukm(EVP_PKEY_CTX *ctx, unsigned char *ukm, int len)
|
|
{
|
|
int ret;
|
|
OSSL_PARAM params[2], *p = params;
|
|
|
|
if (len < 0)
|
|
return -1;
|
|
|
|
ret = dh_param_derive_check(ctx);
|
|
if (ret != 1)
|
|
return ret;
|
|
|
|
*p++ = OSSL_PARAM_construct_octet_string(OSSL_EXCHANGE_PARAM_KDF_UKM,
|
|
/*
|
|
* Cast away the const. This is read
|
|
* only so should be safe
|
|
*/
|
|
(void *)ukm,
|
|
(size_t)len);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
ret = evp_pkey_ctx_set_params_strict(ctx, params);
|
|
if (ret == -2)
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
if (ret == 1)
|
|
OPENSSL_free(ukm);
|
|
return ret;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_DEPRECATED_3_0
|
|
int EVP_PKEY_CTX_get0_dh_kdf_ukm(EVP_PKEY_CTX *ctx, unsigned char **pukm)
|
|
{
|
|
int ret;
|
|
size_t ukmlen;
|
|
OSSL_PARAM params[2], *p = params;
|
|
|
|
ret = dh_param_derive_check(ctx);
|
|
if (ret != 1)
|
|
return ret;
|
|
|
|
*p++ = OSSL_PARAM_construct_octet_ptr(OSSL_EXCHANGE_PARAM_KDF_UKM,
|
|
(void **)pukm, 0);
|
|
*p = OSSL_PARAM_construct_end();
|
|
|
|
ret = evp_pkey_ctx_get_params_strict(ctx, params);
|
|
if (ret == -2)
|
|
ERR_raise(ERR_LIB_EVP, EVP_R_COMMAND_NOT_SUPPORTED);
|
|
if (ret != 1)
|
|
return -1;
|
|
|
|
ukmlen = params[0].return_size;
|
|
if (ukmlen > INT_MAX)
|
|
return -1;
|
|
|
|
return (int)ukmlen;
|
|
}
|
|
#endif
|