return ret;
}
+int EVP_MD_get_params(const EVP_MD *digest, OSSL_PARAM params[])
+{
+ if (digest != NULL && digest->get_params != NULL)
+ return digest->get_params(params);
+ return 0;
+}
+
+const OSSL_PARAM *EVP_MD_gettable_params(const EVP_MD *digest)
+{
+ if (digest != NULL && digest->gettable_params != NULL)
+ return digest->gettable_params();
+ return NULL;
+}
+
int EVP_MD_CTX_set_params(EVP_MD_CTX *ctx, const OSSL_PARAM params[])
{
- if (ctx->digest != NULL && ctx->digest->set_params != NULL)
- return ctx->digest->set_params(ctx->provctx, params);
+ if (ctx->digest != NULL && ctx->digest->ctx_set_params != NULL)
+ return ctx->digest->ctx_set_params(ctx->provctx, params);
return 0;
}
+const OSSL_PARAM *EVP_MD_CTX_settable_params(const EVP_MD *digest)
+{
+ if (digest != NULL && digest->settable_ctx_params != NULL)
+ return digest->settable_ctx_params();
+ return NULL;
+}
+
int EVP_MD_CTX_get_params(EVP_MD_CTX *ctx, OSSL_PARAM params[])
{
if (ctx->digest != NULL && ctx->digest->get_params != NULL)
- return ctx->digest->get_params(ctx->provctx, params);
+ return ctx->digest->ctx_get_params(ctx->provctx, params);
return 0;
}
+const OSSL_PARAM *EVP_MD_CTX_gettable_params(const EVP_MD *digest)
+{
+ if (digest != NULL && digest->gettable_ctx_params != NULL)
+ return digest->gettable_ctx_params();
+ return NULL;
+}
+
/* TODO(3.0): Remove legacy code below - only used by engines & DigestSign */
int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2)
{
- if (ctx->digest != NULL) {
- if (ctx->digest->prov != NULL) {
- OSSL_PARAM params[2];
- size_t i, n = 0;
-
- switch (cmd) {
- case EVP_MD_CTRL_XOF_LEN:
- if (ctx->digest->set_params == NULL)
- break;
- i = (size_t)p1;
- params[n++] =
- OSSL_PARAM_construct_size_t(OSSL_DIGEST_PARAM_XOFLEN, &i);
- params[n++] = OSSL_PARAM_construct_end();
- return ctx->digest->set_params(ctx->provctx, params);
- case EVP_MD_CTRL_MICALG:
- if (ctx->digest->get_params == NULL)
- break;
- params[n++] =
- OSSL_PARAM_construct_utf8_string(OSSL_DIGEST_PARAM_MICALG,
+ int ret = EVP_CTRL_RET_UNSUPPORTED;
+ int set_params = 1;
+ size_t sz;
+ OSSL_PARAM params[2] = { OSSL_PARAM_END, OSSL_PARAM_END };
+
+ if (ctx == NULL || ctx->digest == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_MESSAGE_DIGEST_IS_NULL);
+ return 0;
+ }
+
+ if (ctx->digest->prov == NULL)
+ goto legacy;
+
+ switch (cmd) {
+ case EVP_MD_CTRL_XOF_LEN:
+ sz = (size_t)p1;
+ params[0] = OSSL_PARAM_construct_size_t(OSSL_DIGEST_PARAM_XOFLEN, &sz);
+ break;
+ case EVP_MD_CTRL_MICALG:
+ set_params = 0;
+ params[0] = OSSL_PARAM_construct_utf8_string(OSSL_DIGEST_PARAM_MICALG,
p2, p1 ? p1 : 9999);
- params[n++] = OSSL_PARAM_construct_end();
- return ctx->digest->get_params(ctx->provctx, params);
- }
- return 0;
- }
- /* legacy code */
- if (ctx->digest->md_ctrl != NULL) {
- int ret = ctx->digest->md_ctrl(ctx, cmd, p1, p2);
- if (ret <= 0)
- return 0;
- return 1;
- }
+ break;
+ default:
+ return EVP_CTRL_RET_UNSUPPORTED;
}
- return 0;
+
+ if (set_params)
+ ret = evp_do_md_ctx_setparams(ctx->digest, ctx->provctx, params);
+ else
+ ret = evp_do_md_ctx_getparams(ctx->digest, ctx->provctx, params);
+ return ret;
+
+
+/* TODO(3.0): Remove legacy code below */
+ legacy:
+ if (ctx->digest->md_ctrl == NULL) {
+ ERR_raise(ERR_LIB_EVP, EVP_R_CTRL_NOT_IMPLEMENTED);
+ return 0;
+ }
+
+ ret = ctx->digest->md_ctrl(ctx, cmd, p1, p2);
+ if (ret <= 0)
+ return 0;
+ return ret;
}
static void *evp_md_from_dispatch(const char *name, const OSSL_DISPATCH *fns,
if (md->dupctx == NULL)
md->dupctx = OSSL_get_OP_digest_dupctx(fns);
break;
- case OSSL_FUNC_DIGEST_SIZE:
- if (md->size == NULL)
- md->size = OSSL_get_OP_digest_size(fns);
- break;
- case OSSL_FUNC_DIGEST_BLOCK_SIZE:
- if (md->dblock_size == NULL)
- md->dblock_size = OSSL_get_OP_digest_block_size(fns);
- break;
- case OSSL_FUNC_DIGEST_SET_PARAMS:
- if (md->set_params == NULL)
- md->set_params = OSSL_get_OP_digest_set_params(fns);
- break;
case OSSL_FUNC_DIGEST_GET_PARAMS:
if (md->get_params == NULL)
md->get_params = OSSL_get_OP_digest_get_params(fns);
break;
+ case OSSL_FUNC_DIGEST_CTX_SET_PARAMS:
+ if (md->ctx_set_params == NULL)
+ md->ctx_set_params = OSSL_get_OP_digest_ctx_set_params(fns);
+ break;
+ case OSSL_FUNC_DIGEST_CTX_GET_PARAMS:
+ if (md->ctx_get_params == NULL)
+ md->ctx_get_params = OSSL_get_OP_digest_ctx_get_params(fns);
+ break;
+ case OSSL_FUNC_DIGEST_GETTABLE_PARAMS:
+ if (md->gettable_params == NULL)
+ md->gettable_params = OSSL_get_OP_digest_gettable_params(fns);
+ break;
+ case OSSL_FUNC_DIGEST_SETTABLE_CTX_PARAMS:
+ if (md->settable_ctx_params == NULL)
+ md->settable_ctx_params =
+ OSSL_get_OP_digest_settable_ctx_params(fns);
+ break;
+ case OSSL_FUNC_DIGEST_GETTABLE_CTX_PARAMS:
+ if (md->gettable_ctx_params == NULL)
+ md->gettable_ctx_params =
+ OSSL_get_OP_digest_gettable_ctx_params(fns);
+ break;
}
}
if ((fncnt != 0 && fncnt != 5)
- || (fncnt == 0 && md->digest == NULL)
- || md->size == NULL) {
+ || (fncnt == 0 && md->digest == NULL)) {
/*
* In order to be a consistent set of functions we either need the
* whole set of init/update/final etc functions or none of them.
* generate digests.
*/
EVP_MD_meth_free(md);
+ ERR_raise(ERR_LIB_EVP, EVP_R_INVALID_PROVIDER_FUNCTIONS);
return NULL;
}
md->prov = prov;
projects / openssl.git / blobdiff