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Enable PKEY MAC bridge signature algs to take ctx params

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The underlying MAC implementations may take ctx params. Therefore we allow
the bridge to pass these through.

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/12732)
This commit is contained in:
Matt Caswell 2020-08-20 15:54:01 +01:00
parent e08f86ddb1
commit f271389305
1 changed files with 46 additions and 0 deletions

46
providers/implementations/signature/mac_legacy.c

@ -21,11 +21,19 @@
#include "prov/macsignature.h"
static OSSL_FUNC_signature_newctx_fn mac_hmac_newctx;
static OSSL_FUNC_signature_newctx_fn mac_siphash_newctx;
static OSSL_FUNC_signature_newctx_fn mac_poly1305_newctx;
static OSSL_FUNC_signature_newctx_fn mac_cmac_newctx;
static OSSL_FUNC_signature_digest_sign_init_fn mac_digest_sign_init;
static OSSL_FUNC_signature_digest_sign_update_fn mac_digest_sign_update;
static OSSL_FUNC_signature_digest_sign_final_fn mac_digest_sign_final;
static OSSL_FUNC_signature_freectx_fn mac_freectx;
static OSSL_FUNC_signature_dupctx_fn mac_dupctx;
static OSSL_FUNC_signature_set_ctx_params_fn mac_set_ctx_params;
static OSSL_FUNC_signature_settable_ctx_params_fn mac_hmac_settable_ctx_params;
static OSSL_FUNC_signature_settable_ctx_params_fn mac_siphash_settable_ctx_params;
static OSSL_FUNC_signature_settable_ctx_params_fn mac_poly1305_settable_ctx_params;
static OSSL_FUNC_signature_settable_ctx_params_fn mac_cmac_settable_ctx_params;
typedef struct {
OPENSSL_CTX *libctx;
@ -171,6 +179,40 @@ static void *mac_dupctx(void *vpmacctx)
return NULL;
}
static int mac_set_ctx_params(void *vpmacctx, const OSSL_PARAM params[])
{
PROV_MAC_CTX *ctx = (PROV_MAC_CTX *)vpmacctx;
return EVP_MAC_CTX_set_params(ctx->macctx, params);
}
static const OSSL_PARAM *mac_settable_ctx_params(void *provctx,
const char *macname)
{
EVP_MAC *mac = EVP_MAC_fetch(PROV_LIBRARY_CONTEXT_OF(provctx), macname,
NULL);
const OSSL_PARAM *params;
if (mac == NULL)
return NULL;
params = EVP_MAC_settable_ctx_params(mac);
EVP_MAC_free(mac);
return params;
}
#define MAC_SETTABLE_CTX_PARAMS(funcname, macname) \
static const OSSL_PARAM *mac_##funcname##_settable_ctx_params(void *provctx) \
{ \
return mac_settable_ctx_params(provctx, macname); \
}
MAC_SETTABLE_CTX_PARAMS(hmac, "HMAC")
MAC_SETTABLE_CTX_PARAMS(siphash, "SIPHASH")
MAC_SETTABLE_CTX_PARAMS(poly1305, "POLY1305")
MAC_SETTABLE_CTX_PARAMS(cmac, "CMAC")
#define MAC_SIGNATURE_FUNCTIONS(funcname) \
const OSSL_DISPATCH mac_legacy_##funcname##_signature_functions[] = { \
{ OSSL_FUNC_SIGNATURE_NEWCTX, (void (*)(void))mac_##funcname##_newctx }, \
@ -182,6 +224,10 @@ static void *mac_dupctx(void *vpmacctx)
(void (*)(void))mac_digest_sign_final }, \
{ OSSL_FUNC_SIGNATURE_FREECTX, (void (*)(void))mac_freectx }, \
{ OSSL_FUNC_SIGNATURE_DUPCTX, (void (*)(void))mac_dupctx }, \
{ OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS, \
(void (*)(void))mac_set_ctx_params }, \
{ OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS, \
(void (*)(void))mac_##funcname##_settable_ctx_params }, \
{ 0, NULL } \
};