/*
- * Copyright 2006-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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 <stdio.h>
#include <stdlib.h>
-#include "internal/cryptlib.h"
#include <openssl/engine.h>
#include <openssl/evp.h>
#include <openssl/x509v3.h>
+#include <openssl/core_names.h>
+#include <openssl/dh.h>
+#include "internal/cryptlib.h"
#include "internal/asn1_int.h"
#include "internal/evp_int.h"
#include "internal/numbers.h"
+#include "evp_locl.h"
typedef int sk_cmp_fn_type(const char *const *a, const char *const *b);
&tls1_prf_pkey_meth,
#ifndef OPENSSL_NO_EC
&ecx25519_pkey_meth,
+ &ecx448_pkey_meth,
#endif
&hkdf_pkey_meth,
#ifndef OPENSSL_NO_POLY1305
#endif
#ifndef OPENSSL_NO_EC
&ed25519_pkey_meth,
+ &ed448_pkey_meth,
+#endif
+#ifndef OPENSSL_NO_SM2
+ &sm2_pkey_meth,
#endif
};
{
EVP_PKEY_CTX *ret;
const EVP_PKEY_METHOD *pmeth;
+
if (id == -1) {
- if (!pkey || !pkey->ameth)
- return NULL;
- id = pkey->ameth->pkey_id;
+ if (pkey == NULL)
+ return 0;
+ id = pkey->type;
}
#ifndef OPENSSL_NO_ENGINE
- if (pkey && pkey->engine)
- e = pkey->engine;
+ if (e == NULL && pkey != NULL)
+ e = pkey->pmeth_engine != NULL ? pkey->pmeth_engine : pkey->engine;
/* Try to find an ENGINE which implements this method */
if (e) {
if (!ENGINE_init(e)) {
EVPerr(EVP_F_INT_CTX_NEW, ERR_R_ENGINE_LIB);
return NULL;
}
- } else
+ } else {
e = ENGINE_get_pkey_meth_engine(id);
+ }
/*
* If an ENGINE handled this method look it up. Otherwise use internal
* tables.
*/
-
if (e)
pmeth = ENGINE_get_pkey_meth(e, id);
else
pmeth = EVP_PKEY_meth_find(id);
if (pmeth == NULL) {
+#ifndef OPENSSL_NO_ENGINE
+ ENGINE_finish(e);
+#endif
EVPerr(EVP_F_INT_CTX_NEW, EVP_R_UNSUPPORTED_ALGORITHM);
return NULL;
}
ret->pmeth = pmeth;
ret->operation = EVP_PKEY_OP_UNDEFINED;
ret->pkey = pkey;
- if (pkey)
+ if (pkey != NULL)
EVP_PKEY_up_ref(pkey);
if (pmeth->init) {
EVP_PKEY_METHOD *pmeth;
pmeth = OPENSSL_zalloc(sizeof(*pmeth));
- if (pmeth == NULL)
+ if (pmeth == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_METH_NEW, ERR_R_MALLOC_FAILURE);
return NULL;
+ }
pmeth->pkey_id = id;
pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC;
dst->ctrl = src->ctrl;
dst->ctrl_str = src->ctrl_str;
+
+ dst->check = src->check;
}
void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
return int_ctx_new(NULL, e, id);
}
-EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx)
+EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *pctx)
{
EVP_PKEY_CTX *rctx;
- if (!pctx->pmeth || !pctx->pmeth->copy)
+
+ if (((pctx->pmeth == NULL) || (pctx->pmeth->copy == NULL))
+ && pctx->exchprovctx == NULL)
return NULL;
#ifndef OPENSSL_NO_ENGINE
/* Make sure it's safe to copy a pkey context using an ENGINE */
return 0;
}
#endif
- rctx = OPENSSL_malloc(sizeof(*rctx));
- if (rctx == NULL)
+ rctx = OPENSSL_zalloc(sizeof(*rctx));
+ if (rctx == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_CTX_DUP, ERR_R_MALLOC_FAILURE);
return NULL;
+ }
+
+ if (pctx->pkey != NULL)
+ EVP_PKEY_up_ref(pctx->pkey);
+ rctx->pkey = pctx->pkey;
+ rctx->operation = pctx->operation;
+
+ if (pctx->exchprovctx != NULL) {
+ if (!ossl_assert(pctx->exchange != NULL))
+ return NULL;
+ rctx->exchange = pctx->exchange;
+ if (!EVP_KEYEXCH_up_ref(rctx->exchange)) {
+ OPENSSL_free(rctx);
+ return NULL;
+ }
+ rctx->exchprovctx = pctx->exchange->dupctx(pctx->exchprovctx);
+ if (rctx->exchprovctx == NULL) {
+ EVP_KEYEXCH_free(rctx->exchange);
+ OPENSSL_free(rctx);
+ return NULL;
+ }
+ return rctx;
+ }
rctx->pmeth = pctx->pmeth;
#ifndef OPENSSL_NO_ENGINE
rctx->engine = pctx->engine;
#endif
- if (pctx->pkey)
- EVP_PKEY_up_ref(pctx->pkey);
-
- rctx->pkey = pctx->pkey;
-
if (pctx->peerkey)
EVP_PKEY_up_ref(pctx->peerkey);
-
rctx->peerkey = pctx->peerkey;
- rctx->data = NULL;
- rctx->app_data = NULL;
- rctx->operation = pctx->operation;
-
if (pctx->pmeth->copy(rctx, pctx) > 0)
return rctx;
{
if (app_pkey_methods == NULL) {
app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp);
- if (app_pkey_methods == NULL)
+ if (app_pkey_methods == NULL){
+ EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
return 0;
+ }
}
- if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth))
+ if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) {
+ EVPerr(EVP_F_EVP_PKEY_METH_ADD0, ERR_R_MALLOC_FAILURE);
return 0;
+ }
sk_EVP_PKEY_METHOD_sort(app_pkey_methods);
return 1;
}
+void evp_app_cleanup_int(void)
+{
+ if (app_pkey_methods != NULL)
+ sk_EVP_PKEY_METHOD_pop_free(app_pkey_methods, EVP_PKEY_meth_free);
+}
+
+int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth)
+{
+ const EVP_PKEY_METHOD *ret;
+
+ ret = sk_EVP_PKEY_METHOD_delete_ptr(app_pkey_methods, pmeth);
+
+ return ret == NULL ? 0 : 1;
+}
+
size_t EVP_PKEY_meth_get_count(void)
{
size_t rv = OSSL_NELEM(standard_methods);
return;
if (ctx->pmeth && ctx->pmeth->cleanup)
ctx->pmeth->cleanup(ctx);
+
+ if (ctx->exchprovctx != NULL && ctx->exchange != NULL)
+ ctx->exchange->freectx(ctx->exchprovctx);
+
+ EVP_KEYEXCH_free(ctx->exchange);
+
EVP_PKEY_free(ctx->pkey);
EVP_PKEY_free(ctx->peerkey);
#ifndef OPENSSL_NO_ENGINE
OPENSSL_free(ctx);
}
+int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params)
+{
+ if (ctx->exchprovctx != NULL && ctx->exchange != NULL)
+ return ctx->exchange->set_params(ctx->exchprovctx, params);
+ return 0;
+}
+
+#ifndef OPENSSL_NO_DH
+int EVP_PKEY_CTX_set_dh_pad(EVP_PKEY_CTX *ctx, int pad)
+{
+ OSSL_PARAM dh_pad_params[2];
+
+ /* TODO(3.0): Remove this eventually when no more legacy */
+ if (ctx->exchprovctx == NULL)
+ return EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_DERIVE,
+ EVP_PKEY_CTRL_DH_PAD, pad, NULL);
+
+ dh_pad_params[0] = OSSL_PARAM_construct_int(OSSL_EXCHANGE_PARAM_PAD, &pad);
+ dh_pad_params[1] = OSSL_PARAM_construct_end();
+
+ return EVP_PKEY_CTX_set_params(ctx, dh_pad_params);
+}
+#endif
+
+static int legacy_ctrl_to_param(EVP_PKEY_CTX *ctx, int keytype, int optype,
+ int cmd, int p1, void *p2)
+{
+ switch (cmd) {
+#ifndef OPENSSL_NO_DH
+ case EVP_PKEY_CTRL_DH_PAD:
+ return EVP_PKEY_CTX_set_dh_pad(ctx, p1);
+#endif
+ }
+ return 0;
+}
+
int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
int cmd, int p1, void *p2)
{
int ret;
- if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) {
+
+ if (ctx == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+
+ if (ctx->exchprovctx != NULL)
+ return legacy_ctrl_to_param(ctx, keytype, optype, cmd, p1, p2);
+
+ if (ctx->pmeth == NULL || ctx->pmeth->ctrl == NULL) {
EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
return -2;
}
if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype))
return -1;
+ /* Skip the operation checks since this is called in a very early stage */
+ if (ctx->pmeth->digest_custom != NULL)
+ goto doit;
+
if (ctx->operation == EVP_PKEY_OP_UNDEFINED) {
EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET);
return -1;
return -1;
}
+ doit:
ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2);
if (ret == -2)
EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED);
return ret;
-
}
int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
- int cmd, uint64_t value)
+ int cmd, uint64_t value)
{
return EVP_PKEY_CTX_ctrl(ctx, keytype, optype, cmd, 0, &value);
}
+static int legacy_ctrl_str_to_param(EVP_PKEY_CTX *ctx, const char *name,
+ const char *value)
+{
+#ifndef OPENSSL_NO_DH
+ if (strcmp(name, "dh_pad") == 0) {
+ int pad;
+
+ pad = atoi(value);
+ return EVP_PKEY_CTX_set_dh_pad(ctx, pad);
+ }
+#endif
+ return 0;
+}
+
int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx,
const char *name, const char *value)
{
+ if (ctx == NULL) {
+ EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
+ return -2;
+ }
+
+ if (ctx->exchprovctx != NULL)
+ return legacy_ctrl_str_to_param(ctx, name, value);
+
if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) {
EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, EVP_R_COMMAND_NOT_SUPPORTED);
return -2;
ctx->data = data;
}
-void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx)
+void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx)
{
return ctx->data;
}
void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
int (*copy) (EVP_PKEY_CTX *dst,
- EVP_PKEY_CTX *src))
+ const EVP_PKEY_CTX *src))
{
pmeth->copy = copy;
}
pmeth->ctrl_str = ctrl_str;
}
-void EVP_PKEY_meth_get_init(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth,
+ int (*check) (EVP_PKEY *pkey))
+{
+ pmeth->check = check;
+}
+
+void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth,
+ int (*check) (EVP_PKEY *pkey))
+{
+ pmeth->public_check = check;
+}
+
+void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth,
+ int (*check) (EVP_PKEY *pkey))
+{
+ pmeth->param_check = check;
+}
+
+void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth,
+ int (*digest_custom) (EVP_PKEY_CTX *ctx,
+ EVP_MD_CTX *mctx))
+{
+ pmeth->digest_custom = digest_custom;
+}
+
+void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth,
int (**pinit) (EVP_PKEY_CTX *ctx))
{
*pinit = pmeth->init;
}
-void EVP_PKEY_meth_get_copy(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth,
int (**pcopy) (EVP_PKEY_CTX *dst,
- EVP_PKEY_CTX *src))
+ const EVP_PKEY_CTX *src))
{
*pcopy = pmeth->copy;
}
-void EVP_PKEY_meth_get_cleanup(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth,
void (**pcleanup) (EVP_PKEY_CTX *ctx))
{
*pcleanup = pmeth->cleanup;
}
-void EVP_PKEY_meth_get_paramgen(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth,
int (**pparamgen_init) (EVP_PKEY_CTX *ctx),
int (**pparamgen) (EVP_PKEY_CTX *ctx,
EVP_PKEY *pkey))
*pparamgen = pmeth->paramgen;
}
-void EVP_PKEY_meth_get_keygen(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth,
int (**pkeygen_init) (EVP_PKEY_CTX *ctx),
int (**pkeygen) (EVP_PKEY_CTX *ctx,
EVP_PKEY *pkey))
*pkeygen = pmeth->keygen;
}
-void EVP_PKEY_meth_get_sign(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth,
int (**psign_init) (EVP_PKEY_CTX *ctx),
int (**psign) (EVP_PKEY_CTX *ctx,
unsigned char *sig, size_t *siglen,
*psign = pmeth->sign;
}
-void EVP_PKEY_meth_get_verify(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth,
int (**pverify_init) (EVP_PKEY_CTX *ctx),
int (**pverify) (EVP_PKEY_CTX *ctx,
const unsigned char *sig,
*pverify = pmeth->verify;
}
-void EVP_PKEY_meth_get_verify_recover(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
int (**pverify_recover_init) (EVP_PKEY_CTX
*ctx),
int (**pverify_recover) (EVP_PKEY_CTX
*pverify_recover = pmeth->verify_recover;
}
-void EVP_PKEY_meth_get_signctx(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
int (**psignctx_init) (EVP_PKEY_CTX *ctx,
EVP_MD_CTX *mctx),
int (**psignctx) (EVP_PKEY_CTX *ctx,
*psignctx = pmeth->signctx;
}
-void EVP_PKEY_meth_get_verifyctx(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
int (**pverifyctx_init) (EVP_PKEY_CTX *ctx,
EVP_MD_CTX *mctx),
int (**pverifyctx) (EVP_PKEY_CTX *ctx,
*pverifyctx = pmeth->verifyctx;
}
-void EVP_PKEY_meth_get_encrypt(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth,
int (**pencrypt_init) (EVP_PKEY_CTX *ctx),
int (**pencryptfn) (EVP_PKEY_CTX *ctx,
unsigned char *out,
*pencryptfn = pmeth->encrypt;
}
-void EVP_PKEY_meth_get_decrypt(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth,
int (**pdecrypt_init) (EVP_PKEY_CTX *ctx),
int (**pdecrypt) (EVP_PKEY_CTX *ctx,
unsigned char *out,
*pdecrypt = pmeth->decrypt;
}
-void EVP_PKEY_meth_get_derive(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth,
int (**pderive_init) (EVP_PKEY_CTX *ctx),
int (**pderive) (EVP_PKEY_CTX *ctx,
unsigned char *key,
*pderive = pmeth->derive;
}
-void EVP_PKEY_meth_get_ctrl(EVP_PKEY_METHOD *pmeth,
+void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
int (**pctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
void *p2),
int (**pctrl_str) (EVP_PKEY_CTX *ctx,
if (pctrl_str)
*pctrl_str = pmeth->ctrl_str;
}
+
+void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth,
+ int (**pcheck) (EVP_PKEY *pkey))
+{
+ if (pcheck != NULL)
+ *pcheck = pmeth->check;
+}
+
+void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth,
+ int (**pcheck) (EVP_PKEY *pkey))
+{
+ if (pcheck != NULL)
+ *pcheck = pmeth->public_check;
+}
+
+void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth,
+ int (**pcheck) (EVP_PKEY *pkey))
+{
+ if (pcheck != NULL)
+ *pcheck = pmeth->param_check;
+}
+
+void EVP_PKEY_meth_get_digest_custom(EVP_PKEY_METHOD *pmeth,
+ int (**pdigest_custom) (EVP_PKEY_CTX *ctx,
+ EVP_MD_CTX *mctx))
+{
+ if (pdigest_custom != NULL)
+ *pdigest_custom = pmeth->digest_custom;
+}
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