mirror of
https://github.com/Telecominfraproject/OpenCellular.git
synced 2025-12-27 18:25:05 +00:00
7a254e9851
Includes support for encrypt / decrypt, and sign / verify; padding schemes OAEP / PKCS1; supporting bignum library. RSA key sizes must be a multiple of 32-bits (with the top bit set). Keying material, input and output buffers are required to be word-aligned. BRANCH=none TEST=added encrypt/decrypt sign/verify tests, compatibility with openssl tested BUG=chrome-os-partner:43025,chrome-os-partner:47524 Change-Id: I6bc324c651e3178bb45bb75ab5935d9bc07efbce Signed-off-by: nagendra modadugu <ngm@google.com> Reviewed-on: https://chromium-review.googlesource.com/316942 Commit-Ready: Marius Schilder <mschilder@chromium.org> Tested-by: Nagendra Modadugu <ngm@google.com> Reviewed-by: Marius Schilder <mschilder@chromium.org>
71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/* Copyright 2015 The Chromium OS Authors. All rights reserved.
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#ifndef __EC_INCLUDE_EXTENSION_H
|
|
#define __EC_INCLUDE_EXTENSION_H
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include "common.h"
|
|
|
|
/*
|
|
* Type of function handling extension commands.
|
|
*
|
|
* @param buffer As input points to the input data to be processed, as
|
|
* output stores data, processing result.
|
|
* @param command_size Number of bytes of input data
|
|
* @param response_size On input - max size of the buffer, on output - actual
|
|
* number of data returned by the handler.
|
|
*/
|
|
typedef void (*extension_handler)(void *buffer,
|
|
size_t command_size,
|
|
size_t *response_size);
|
|
/*
|
|
* Find handler for an extension command.
|
|
*
|
|
* @param command_code Code associated with a extension command handler.
|
|
* @param buffer Data to be processd by the handler, the same space
|
|
* is used for data returned by the handler.
|
|
* @command_size Size of the input data.
|
|
* @param size On input - max size of the buffer, on output - actual number of
|
|
* data returned by the handler. A single byte return
|
|
* usually indicates an error and contains the error code.
|
|
*/
|
|
void extension_route_command(uint16_t command_code,
|
|
void *buffer,
|
|
size_t command_size,
|
|
size_t *size);
|
|
|
|
struct extension_command {
|
|
uint16_t command_code;
|
|
extension_handler handler;
|
|
} __packed;
|
|
|
|
/* Values for different extension subcommands. */
|
|
enum {
|
|
EXTENSION_AES = 0,
|
|
EXTENSION_HASH = 1,
|
|
EXTENSION_RSA = 2,
|
|
};
|
|
|
|
|
|
/* Error codes reported by extension commands. */
|
|
enum {
|
|
/* EXTENSION_HASH error codes */
|
|
/* Attempt to start a session on an active handle. */
|
|
EXC_HASH_DUPLICATED_HANDLE = 1,
|
|
EXC_HASH_TOO_MANY_HANDLES = 2, /* No room to allocate a new context. */
|
|
/* Continuation/finish on unknown context. */
|
|
EXC_HASH_UNKNOWN_CONTEXT = 3
|
|
};
|
|
|
|
#define DECLARE_EXTENSION_COMMAND(code, handler) \
|
|
const struct extension_command __keep __extension_cmd_##code \
|
|
__attribute__((section(".rodata.extensioncmds"))) \
|
|
= {code, handler}
|
|
|
|
#endif /* __EC_INCLUDE_EXTENSION_H */
|