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Simple HTTP client with HTTP/1.1, HTTP/2, and HTTP/3 support
Security advisory:
This version has known vulnerabilities.
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Files
c_src/boringssl/crypto/fipsmodule/ecdh/ecdh.cc.inc
// Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
// Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <openssl/ecdh.h>
#include <string.h>
#include <openssl/ec.h>
#include <openssl/ec_key.h>
#include <openssl/err.h>
#include <openssl/mem.h>
#include "../../internal.h"
#include "../bcm_interface.h"
#include "../ec/internal.h"
#include "../service_indicator/internal.h"
int ECDH_compute_key_fips(uint8_t *out, size_t out_len, const EC_POINT *pub_key,
const EC_KEY *priv_key) {
boringssl_ensure_ecc_self_test();
if (priv_key->priv_key == nullptr) {
OPENSSL_PUT_ERROR(ECDH, ECDH_R_NO_PRIVATE_VALUE);
return 0;
}
const EC_SCALAR *const priv = &priv_key->priv_key->scalar;
const EC_GROUP *const group = EC_KEY_get0_group(priv_key);
if (EC_GROUP_cmp(group, pub_key->group, nullptr) != 0) {
OPENSSL_PUT_ERROR(EC, EC_R_INCOMPATIBLE_OBJECTS);
return 0;
}
EC_JACOBIAN shared_point;
uint8_t buf[EC_MAX_BYTES];
size_t buflen;
if (!ec_point_mul_scalar(group, &shared_point, &pub_key->raw, priv) ||
!ec_get_x_coordinate_as_bytes(group, buf, &buflen, sizeof(buf),
&shared_point)) {
OPENSSL_PUT_ERROR(ECDH, ECDH_R_POINT_ARITHMETIC_FAILURE);
return 0;
}
FIPS_service_indicator_lock_state();
SHA256_CTX ctx;
SHA512_CTX ctx_512;
switch (out_len) {
case SHA224_DIGEST_LENGTH:
BCM_sha224_init(&ctx);
BCM_sha224_update(&ctx, buf, buflen);
BCM_sha224_final(out, &ctx);
break;
case SHA256_DIGEST_LENGTH:
BCM_sha256_init(&ctx);
BCM_sha256_update(&ctx, buf, buflen);
BCM_sha256_final(out, &ctx);
break;
case SHA384_DIGEST_LENGTH:
BCM_sha384_init(&ctx_512);
BCM_sha384_update(&ctx_512, buf, buflen);
BCM_sha384_final(out, &ctx_512);
break;
case SHA512_DIGEST_LENGTH:
BCM_sha512_init(&ctx_512);
BCM_sha512_update(&ctx_512, buf, buflen);
BCM_sha512_final(out, &ctx_512);
break;
default:
OPENSSL_PUT_ERROR(ECDH, ECDH_R_UNKNOWN_DIGEST_LENGTH);
FIPS_service_indicator_unlock_state();
return 0;
}
FIPS_service_indicator_unlock_state();
ECDH_verify_service_indicator(priv_key);
return 1;
}