mirror of
https://github.com/smaeul/u-boot.git
synced 2025-10-31 03:58:17 +00:00
bc18f31e4a
Avoid build warnings observed with gcc 10.2
In file included from lib/rsa/rsa-keyprop.c:16:
include/u-boot/rsa-mod-exp.h:65:24: warning:
‘struct udevice’ declared inside parameter list will not be visible
outside of this definition or declaration
65 | int rsa_mod_exp(struct udevice *dev, const uint8_t *sig,
| uint32_t sig_len,
| ^~~~~~~
include/u-boot/rsa-mod-exp.h:96:24: warning:
‘struct udevice’ declared inside parameter list will not be visible
outside of this definition or declaration
96 | int (*mod_exp)(struct udevice *dev, const uint8_t *sig,
|
by defining struct udevice.
Fixes: 401d1c4f5d2d ("common: Drop asm/global_data.h from common header")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
104 lines
3.0 KiB
C
104 lines
3.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright 2014 Freescale Semiconductor, Inc.
|
|
*/
|
|
|
|
#ifndef _RSA_MOD_EXP_H
|
|
#define _RSA_MOD_EXP_H
|
|
|
|
#include <errno.h>
|
|
#include <image.h>
|
|
|
|
struct udevice;
|
|
|
|
/**
|
|
* struct key_prop - holder for a public key properties
|
|
*
|
|
* The struct has pointers to modulus (Typically called N),
|
|
* The inverse, R^2, exponent. These can be typecasted and
|
|
* used as byte arrays or converted to the required format
|
|
* as per requirement of RSA implementation.
|
|
*/
|
|
struct key_prop {
|
|
const void *rr; /* R^2 can be treated as byte array */
|
|
const void *modulus; /* modulus as byte array */
|
|
const void *public_exponent; /* public exponent as byte array */
|
|
uint32_t n0inv; /* -1 / modulus[0] mod 2^32 */
|
|
int num_bits; /* Key length in bits */
|
|
uint32_t exp_len; /* Exponent length in number of uint8_t */
|
|
};
|
|
|
|
/**
|
|
* rsa_gen_key_prop() - Generate key properties of RSA public key
|
|
* @key: Specifies key data in DER format
|
|
* @keylen: Length of @key
|
|
* @prop: Generated key property
|
|
*
|
|
* This function takes a blob of encoded RSA public key data in DER
|
|
* format, parse it and generate all the relevant properties
|
|
* in key_prop structure.
|
|
* Return a pointer to struct key_prop in @prop on success.
|
|
*
|
|
* Return: 0 on success, negative on error
|
|
*/
|
|
int rsa_gen_key_prop(const void *key, uint32_t keylen, struct key_prop **proc);
|
|
|
|
/**
|
|
* rsa_free_key_prop() - Free key properties
|
|
* @prop: Pointer to struct key_prop
|
|
*
|
|
* This function frees all the memories allocated by rsa_gen_key_prop().
|
|
*/
|
|
void rsa_free_key_prop(struct key_prop *prop);
|
|
|
|
/**
|
|
* rsa_mod_exp_sw() - Perform RSA Modular Exponentiation in sw
|
|
*
|
|
* Operation: out[] = sig ^ exponent % modulus
|
|
*
|
|
* @sig: RSA PKCS1.5 signature
|
|
* @sig_len: Length of signature in number of bytes
|
|
* @node: Node with RSA key elements like modulus, exponent, R^2, n0inv
|
|
* @out: Result in form of byte array of len equal to sig_len
|
|
*/
|
|
int rsa_mod_exp_sw(const uint8_t *sig, uint32_t sig_len,
|
|
struct key_prop *node, uint8_t *out);
|
|
|
|
int rsa_mod_exp(struct udevice *dev, const uint8_t *sig, uint32_t sig_len,
|
|
struct key_prop *node, uint8_t *out);
|
|
|
|
#if defined(CONFIG_CMD_ZYNQ_RSA)
|
|
int zynq_pow_mod(uint32_t *keyptr, uint32_t *inout);
|
|
#endif
|
|
|
|
/**
|
|
* struct struct mod_exp_ops - Driver model for RSA Modular Exponentiation
|
|
* operations
|
|
*
|
|
* The uclass interface is implemented by all crypto devices which use
|
|
* driver model.
|
|
*/
|
|
struct mod_exp_ops {
|
|
/**
|
|
* Perform Modular Exponentiation
|
|
*
|
|
* Operation: out[] = sig ^ exponent % modulus
|
|
*
|
|
* @dev: RSA Device
|
|
* @sig: RSA PKCS1.5 signature
|
|
* @sig_len: Length of signature in number of bytes
|
|
* @node: Node with RSA key elements like modulus, exponent,
|
|
* R^2, n0inv
|
|
* @out: Result in form of byte array of len equal to sig_len
|
|
*
|
|
* This function computes exponentiation over the signature.
|
|
* Returns: 0 if exponentiation is successful, or a negative value
|
|
* if it wasn't.
|
|
*/
|
|
int (*mod_exp)(struct udevice *dev, const uint8_t *sig,
|
|
uint32_t sig_len, struct key_prop *node,
|
|
uint8_t *outp);
|
|
};
|
|
|
|
#endif
|