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EVP: Adapt the other EVP_PKEY_set_xxx_param() functions

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They were calling evp_keymgmt_set_params() directly.  Those calls are
changed to go through EVP_PKEY_set_params().

We take the opportunity to constify these functions.  They have to
unconstify internally for the compiler to stop complaining when
placing those pointers in an OSSL_PARAM element, but that's still
better than forcing the callers to do that cast.

Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14056)
This commit is contained in:
Richard Levitte 2021-02-03 13:55:30 +01:00 committed by Pauli
parent f4a3799cc4
commit 13e85fb321
5 changed files with 51 additions and 38 deletions
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65
crypto/evp/p_lib.c
View File

@ -1995,15 +1995,6 @@ int evp_pkey_downgrade(EVP_PKEY *pk)
}
#endif /* FIPS_MODULE */
const OSSL_PARAM *EVP_PKEY_gettable_params(const EVP_PKEY *pkey)
{
if (pkey == NULL
|| pkey->keymgmt == NULL
|| pkey->keydata == NULL)
return 0;
return EVP_KEYMGMT_gettable_params(pkey->keymgmt);
}
int EVP_PKEY_get_bn_param(const EVP_PKEY *pkey, const char *key_name,
BIGNUM **bn)
{
@ -2023,7 +2014,7 @@ int EVP_PKEY_get_bn_param(const EVP_PKEY *pkey, const char *key_name,
memset(buffer, 0, sizeof(buffer));
params[0] = OSSL_PARAM_construct_BN(key_name, buffer, sizeof(buffer));
params[1] = OSSL_PARAM_construct_end();
if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params)) {
if (!EVP_PKEY_get_params(pkey, params)) {
if (!OSSL_PARAM_modified(params) || params[0].return_size == 0)
return 0;
buf_sz = params[0].return_size;
@ -2037,7 +2028,7 @@ int EVP_PKEY_get_bn_param(const EVP_PKEY *pkey, const char *key_name,
params[0].data = buf;
params[0].data_size = buf_sz;
if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params))
if (!EVP_PKEY_get_params(pkey, params))
goto err;
}
/* Fail if the param was not found */
@ -2063,7 +2054,7 @@ int EVP_PKEY_get_octet_string_param(const EVP_PKEY *pkey, const char *key_name,
params[0] = OSSL_PARAM_construct_octet_string(key_name, buf, max_buf_sz);
params[1] = OSSL_PARAM_construct_end();
if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params)
if (!EVP_PKEY_get_params(pkey, params)
|| !OSSL_PARAM_modified(params))
return 0;
if (out_sz != NULL)
@ -2085,7 +2076,7 @@ int EVP_PKEY_get_utf8_string_param(const EVP_PKEY *pkey, const char *key_name,
params[0] = OSSL_PARAM_construct_utf8_string(key_name, str, max_buf_sz);
params[1] = OSSL_PARAM_construct_end();
if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params)
if (!EVP_PKEY_get_params(pkey, params)
|| !OSSL_PARAM_modified(params))
return 0;
if (out_sz != NULL)
@ -2106,10 +2097,8 @@ int EVP_PKEY_get_int_param(const EVP_PKEY *pkey, const char *key_name,
params[0] = OSSL_PARAM_construct_int(key_name, out);
params[1] = OSSL_PARAM_construct_end();
if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params)
|| !OSSL_PARAM_modified(params))
return 0;
return 1;
return EVP_PKEY_get_params(pkey, params)
&& OSSL_PARAM_modified(params);
}
int EVP_PKEY_get_size_t_param(const EVP_PKEY *pkey, const char *key_name,
@ -2125,10 +2114,8 @@ int EVP_PKEY_get_size_t_param(const EVP_PKEY *pkey, const char *key_name,
params[0] = OSSL_PARAM_construct_size_t(key_name, out);
params[1] = OSSL_PARAM_construct_end();
if (!evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params)
|| !OSSL_PARAM_modified(params))
return 0;
return 1;
return EVP_PKEY_get_params(pkey, params)
&& OSSL_PARAM_modified(params);
}
int EVP_PKEY_set_int_param(EVP_PKEY *pkey, const char *key_name, int in)
@ -2143,7 +2130,7 @@ int EVP_PKEY_set_int_param(EVP_PKEY *pkey, const char *key_name, int in)
params[0] = OSSL_PARAM_construct_int(key_name, &in);
params[1] = OSSL_PARAM_construct_end();
return evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params);
return EVP_PKEY_set_params(pkey, params);
}
int EVP_PKEY_set_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t in)
@ -2158,10 +2145,11 @@ int EVP_PKEY_set_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t in)
params[0] = OSSL_PARAM_construct_size_t(key_name, &in);
params[1] = OSSL_PARAM_construct_end();
return evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params);
return EVP_PKEY_set_params(pkey, params);
}
int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name, BIGNUM *bn)
int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name,
const BIGNUM *bn)
{
OSSL_PARAM params[2];
unsigned char buffer[2048];
@ -2182,11 +2170,11 @@ int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name, BIGNUM *bn)
return 0;
params[0] = OSSL_PARAM_construct_BN(key_name, buffer, bsize);
params[1] = OSSL_PARAM_construct_end();
return evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params);
return EVP_PKEY_set_params(pkey, params);
}
int EVP_PKEY_set_utf8_string_param(EVP_PKEY *pkey, const char *key_name,
char *str)
const char *str)
{
OSSL_PARAM params[2];
@ -2196,13 +2184,13 @@ int EVP_PKEY_set_utf8_string_param(EVP_PKEY *pkey, const char *key_name,
|| key_name == NULL)
return 0;
params[0] = OSSL_PARAM_construct_utf8_string(key_name, str, 0);
params[0] = OSSL_PARAM_construct_utf8_string(key_name, (char *)str, 0);
params[1] = OSSL_PARAM_construct_end();
return evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params);
return EVP_PKEY_set_params(pkey, params);
}
int EVP_PKEY_set_octet_string_param(EVP_PKEY *pkey, const char *key_name,
unsigned char *buf, size_t bsize)
const unsigned char *buf, size_t bsize)
{
OSSL_PARAM params[2];
@ -2212,9 +2200,10 @@ int EVP_PKEY_set_octet_string_param(EVP_PKEY *pkey, const char *key_name,
|| key_name == NULL)
return 0;
params[0] = OSSL_PARAM_construct_octet_string(key_name, buf, bsize);
params[0] = OSSL_PARAM_construct_octet_string(key_name,
(unsigned char *)buf, bsize);
params[1] = OSSL_PARAM_construct_end();
return evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params);
return EVP_PKEY_set_params(pkey, params);
}
const OSSL_PARAM *EVP_PKEY_settable_params(EVP_PKEY *pkey)
@ -2236,6 +2225,20 @@ int EVP_PKEY_set_params(EVP_PKEY *pkey, OSSL_PARAM params[])
&& evp_keymgmt_set_params(pkey->keymgmt, pkey->keydata, params);
}
const OSSL_PARAM *EVP_PKEY_gettable_params(const EVP_PKEY *pkey)
{
return pkey != NULL
&& evp_pkey_is_provided(pkey)
&& EVP_KEYMGMT_gettable_params(pkey->keymgmt);
}
int EVP_PKEY_get_params(const EVP_PKEY *pkey, OSSL_PARAM params[])
{
return pkey != NULL
&& evp_pkey_is_provided(pkey)
&& evp_keymgmt_get_params(pkey->keymgmt, pkey->keydata, params);
}
#ifndef FIPS_MODULE
int EVP_PKEY_get_ec_point_conv_form(const EVP_PKEY *pkey)
{

8
doc/man3/EVP_PKEY_gettable_params.pod
View File

@ -2,7 +2,8 @@
=head1 NAME
EVP_PKEY_gettable_params, EVP_PKEY_get_int_param, EVP_PKEY_get_size_t_param,
EVP_PKEY_gettable_params, EVP_PKEY_get_params,
EVP_PKEY_get_int_param, EVP_PKEY_get_size_t_param,
EVP_PKEY_get_bn_param, EVP_PKEY_get_utf8_string_param,
EVP_PKEY_get_octet_string_param
- retrieve key parameters from a key
@ -12,6 +13,7 @@ EVP_PKEY_get_octet_string_param
#include <openssl/evp.h>
const OSSL_PARAM *EVP_PKEY_gettable_params(EVP_PKEY *pkey);
int EVP_PKEY_get_params(const EVP_PKEY *pkey, OSSL_PARAM params[]);
int EVP_PKEY_get_int_param(const EVP_PKEY *pkey, const char *key_name,
int *out);
int EVP_PKEY_get_size_t_param(const EVP_PKEY *pkey, const char *key_name,
@ -27,6 +29,10 @@ EVP_PKEY_get_octet_string_param
=head1 DESCRIPTION
EVP_PKEY_get_params() retrieves parameters from the key I<pkey>, according to
the contents of I<params>.
See L<OSSL_PARAM(3)> for information about parameters.
EVP_PKEY_gettable_params() returns a constant list of I<params> indicating
the names and types of key parameters that can be retrieved.
See L<OSSL_PARAM(3)> for information about parameters.

7
doc/man3/EVP_PKEY_settable_params.pod
View File

@ -15,11 +15,12 @@ EVP_PKEY_set_utf8_string_param, EVP_PKEY_set_octet_string_param
int EVP_PKEY_set_params(EVP_PKEY *pkey, OSSL_PARAM params[]);
int EVP_PKEY_set_int_param(EVP_PKEY *pkey, const char *key_name, int in);
int EVP_PKEY_set_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t in);
int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name, BIGNUM *bn);
int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name,
const BIGNUM *bn);
int EVP_PKEY_set_utf8_string_param(EVP_PKEY *pkey, const char *key_name,
char *str);
const char *str);
int EVP_PKEY_set_octet_string_param(EVP_PKEY *pkey, const char *key_name,
unsigned char *buf, size_t bsize);
const unsigned char *buf, size_t bsize);
=head1 DESCRIPTION

8
include/openssl/evp.h
View File

@ -1796,6 +1796,7 @@ int EVP_PKEY_fromdata(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey, OSSL_PARAM param[]);
const OSSL_PARAM *EVP_PKEY_param_fromdata_settable(EVP_PKEY_CTX *ctx);
const OSSL_PARAM *EVP_PKEY_key_fromdata_settable(EVP_PKEY_CTX *ctx);
const OSSL_PARAM *EVP_PKEY_gettable_params(const EVP_PKEY *pkey);
int EVP_PKEY_get_params(const EVP_PKEY *pkey, OSSL_PARAM params[]);
int EVP_PKEY_get_int_param(const EVP_PKEY *pkey, const char *key_name,
int *out);
int EVP_PKEY_get_size_t_param(const EVP_PKEY *pkey, const char *key_name,
@ -1812,11 +1813,12 @@ const OSSL_PARAM *EVP_PKEY_settable_params(EVP_PKEY *pkey);
int EVP_PKEY_set_params(EVP_PKEY *pkey, OSSL_PARAM params[]);
int EVP_PKEY_set_int_param(EVP_PKEY *pkey, const char *key_name, int in);
int EVP_PKEY_set_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t in);
int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name, BIGNUM *bn);
int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name,
const BIGNUM *bn);
int EVP_PKEY_set_utf8_string_param(EVP_PKEY *pkey, const char *key_name,
char *str);
const char *str);
int EVP_PKEY_set_octet_string_param(EVP_PKEY *pkey, const char *key_name,
unsigned char *buf, size_t bsize);
const unsigned char *buf, size_t bsize);
int EVP_PKEY_get_ec_point_conv_form(const EVP_PKEY *pkey);
int EVP_PKEY_get_field_type(const EVP_PKEY *pkey);

1
util/libcrypto.num
View File

@ -5298,3 +5298,4 @@ EVP_PKEY_set_utf8_string_param ? 3_0_0 EXIST::FUNCTION:
EVP_PKEY_set_octet_string_param ? 3_0_0 EXIST::FUNCTION:
EVP_PKEY_get_ec_point_conv_form ? 3_0_0 EXIST::FUNCTION:
EVP_PKEY_get_field_type ? 3_0_0 EXIST::FUNCTION:
EVP_PKEY_get_params ? 3_0_0 EXIST::FUNCTION: