Hakase/openssl-custom
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Hakase
2020-01-22 16:36:28 +09:00
parent f2d048b604
commit 047a30700b
9 changed files with 244 additions and 46 deletions
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crypto/evp/pmeth_fn.c
+29 -5
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@@ -32,6 +32,12 @@ static int evp_pkey_asym_cipher_init(EVP_PKEY_CTX *ctx, int operation)
evp_pkey_ctx_free_old_ops(ctx);
ctx->operation = operation;
/*
* TODO when we stop falling back to legacy, this and the ERR_pop_to_mark()
* calls can be removed.
*/
ERR_set_mark();
if (ctx->keytype == NULL || ctx->engine != NULL)
goto legacy;
@@ -41,7 +47,11 @@ static int evp_pkey_asym_cipher_init(EVP_PKEY_CTX *ctx, int operation)
&tmp_keymgmt, ctx->propquery, 0);
if (provkey == NULL)
goto legacy;
EVP_KEYMGMT_up_ref(tmp_keymgmt);
if (!EVP_KEYMGMT_up_ref(tmp_keymgmt)) {
ERR_clear_last_mark();
ERR_raise(ERR_LIB_EVP, EVP_R_INITIALIZATION_ERROR);
goto err;
}
EVP_KEYMGMT_free(ctx->keymgmt);
ctx->keymgmt = tmp_keymgmt;
@@ -67,15 +77,22 @@ static int evp_pkey_asym_cipher_init(EVP_PKEY_CTX *ctx, int operation)
|| (EVP_KEYMGMT_provider(ctx->keymgmt)
!= EVP_ASYM_CIPHER_provider(cipher))) {
/*
* We don't have the full support we need with provided methods,
* let's go see if legacy does. Also, we don't need to free
* ctx->keymgmt here, as it's not necessarily tied to this
* operation. It will be freed by EVP_PKEY_CTX_free().
* We don't need to free ctx->keymgmt here, as it's not necessarily
* tied to this operation. It will be freed by EVP_PKEY_CTX_free().
*/
EVP_ASYM_CIPHER_free(cipher);
goto legacy;
}
/*
* TODO remove this when legacy is gone
* If we don't have the full support we need with provided methods,
* let's go see if legacy does.
*/
ERR_pop_to_mark();
/* No more legacy from here down to legacy: */
ctx->op.ciph.cipher = cipher;
ctx->op.ciph.ciphprovctx = cipher->newctx(ossl_provider_ctx(cipher->prov));
if (ctx->op.ciph.ciphprovctx == NULL) {
@@ -114,6 +131,13 @@ static int evp_pkey_asym_cipher_init(EVP_PKEY_CTX *ctx, int operation)
return 1;
legacy:
/*
* TODO remove this when legacy is gone
* If we don't have the full support we need with provided methods,
* let's go see if legacy does.
*/
ERR_pop_to_mark();
if (ctx->pmeth == NULL || ctx->pmeth->encrypt == NULL) {
EVPerr(0, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
return -2;