8e79f2ee9c
Based on Nekogram. Key additions: - Rebrand to FoxiGram (app name, APK name, applicationId com.foxigram.app) - Embedded Xray (VLESS+Reality) proxy client via JNI libxray.so - Bundled hidden one-tap proxies (LTE + WiFi), read-only in UI - Auto-restore proxy on restart, rebind to active network (LTE/WiFi) - Server credentials externalized to git-ignored XrayServers.java (+ template) - libxray Go source included; compiled .so, keystore, google-services.json ignored
91 lines
3.9 KiB
C
91 lines
3.9 KiB
C
// Copyright 2022 The BoringSSL Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef OPENSSL_HEADER_KDF_H
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#define OPENSSL_HEADER_KDF_H
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#include <openssl/base.h> // IWYU pragma: export
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#if defined(__cplusplus)
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extern "C" {
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#endif
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// KDF support for EVP.
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// HKDF-specific functions.
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//
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// The following functions are provided for OpenSSL compatibility. Prefer the
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// HKDF functions in <openssl/hkdf.h>. In each, |ctx| must be created with
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// |EVP_PKEY_CTX_new_id| with |EVP_PKEY_HKDF| and then initialized with
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// |EVP_PKEY_derive_init|.
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// EVP_PKEY_HKDEF_MODE_* define "modes" for use with |EVP_PKEY_CTX_hkdf_mode|.
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// The mispelling of "HKDF" as "HKDEF" is intentional for OpenSSL compatibility.
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#define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND 0
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#define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY 1
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#define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY 2
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// EVP_PKEY_CTX_hkdf_mode configures which HKDF operation to run. It returns one
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// on success and zero on error. |mode| must be one of |EVP_PKEY_HKDEF_MODE_*|.
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// By default, the mode is |EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND|.
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//
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// If |mode| is |EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND| or
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// |EVP_PKEY_HKDEF_MODE_EXPAND_ONLY|, the output is variable-length.
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// |EVP_PKEY_derive| uses the size of the output buffer as the output length for
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// HKDF-Expand.
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//
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// WARNING: Although this API calls it a "mode", HKDF-Extract and HKDF-Expand
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// are distinct operations with distinct inputs and distinct kinds of keys.
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// Callers should not pass input secrets for one operation into the other.
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OPENSSL_EXPORT int EVP_PKEY_CTX_hkdf_mode(EVP_PKEY_CTX *ctx, int mode);
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// EVP_PKEY_CTX_set_hkdf_md sets |md| as the digest to use with HKDF. It returns
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// one on success and zero on error.
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OPENSSL_EXPORT int EVP_PKEY_CTX_set_hkdf_md(EVP_PKEY_CTX *ctx,
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const EVP_MD *md);
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// EVP_PKEY_CTX_set1_hkdf_key configures HKDF to use |key_len| bytes from |key|
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// as the "key", described below. It returns one on success and zero on error.
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//
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// Which input is the key depends on the "mode" (see |EVP_PKEY_CTX_hkdf_mode|).
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// If |EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND| or
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// |EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY|, this function specifies the input keying
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// material (IKM) for HKDF-Extract. If |EVP_PKEY_HKDEF_MODE_EXPAND_ONLY|, it
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// instead specifies the pseudorandom key (PRK) for HKDF-Expand.
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OPENSSL_EXPORT int EVP_PKEY_CTX_set1_hkdf_key(EVP_PKEY_CTX *ctx,
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const uint8_t *key,
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size_t key_len);
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// EVP_PKEY_CTX_set1_hkdf_salt configures HKDF to use |salt_len| bytes from
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// |salt| as the salt parameter to HKDF-Extract. It returns one on success and
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// zero on error. If performing HKDF-Expand only, this parameter is ignored.
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OPENSSL_EXPORT int EVP_PKEY_CTX_set1_hkdf_salt(EVP_PKEY_CTX *ctx,
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const uint8_t *salt,
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size_t salt_len);
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// EVP_PKEY_CTX_add1_hkdf_info appends |info_len| bytes from |info| to the info
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// parameter used with HKDF-Expand. It returns one on success and zero on error.
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// If performing HKDF-Extract only, this parameter is ignored.
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OPENSSL_EXPORT int EVP_PKEY_CTX_add1_hkdf_info(EVP_PKEY_CTX *ctx,
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const uint8_t *info,
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size_t info_len);
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#if defined(__cplusplus)
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} // extern C
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#endif
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#endif // OPENSSL_HEADER_KDF_H
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