Merge pull request #7051 from jepler/picow-hashlib

implement hashlib for picow
This commit is contained in:
Dan Halbert 2022-10-14 08:14:41 -04:00 committed by GitHub
commit 8caafd9079
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 136 additions and 1 deletions

View File

@ -13,7 +13,7 @@ CIRCUITPY__EVE = 1
CIRCUITPY_CYW43 = 1
CIRCUITPY_SSL = 1
CIRCUITPY_SSL_MBEDTLS = 1
CIRCUITPY_HASHLIB = 0
CIRCUITPY_HASHLIB = 1
CIRCUITPY_WEB_WORKFLOW = 0
CIRCUITPY_MDNS = 0
CIRCUITPY_SOCKETPOOL = 1

View File

@ -0,0 +1,57 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2022 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "shared-bindings/hashlib/Hash.h"
#include "mbedtls/ssl.h"
void common_hal_hashlib_hash_update(hashlib_hash_obj_t *self, const uint8_t *data, size_t datalen) {
if (self->hash_type == MBEDTLS_SSL_HASH_SHA1) {
mbedtls_sha1_update_ret(&self->sha1, data, datalen);
return;
}
}
void common_hal_hashlib_hash_digest(hashlib_hash_obj_t *self, uint8_t *data, size_t datalen) {
if (datalen < common_hal_hashlib_hash_get_digest_size(self)) {
return;
}
if (self->hash_type == MBEDTLS_SSL_HASH_SHA1) {
// We copy the sha1 state so we can continue to update if needed or get
// the digest a second time.
mbedtls_sha1_context copy;
mbedtls_sha1_clone(&copy, &self->sha1);
mbedtls_sha1_finish_ret(&self->sha1, data);
mbedtls_sha1_clone(&self->sha1, &copy);
}
}
size_t common_hal_hashlib_hash_get_digest_size(hashlib_hash_obj_t *self) {
if (self->hash_type == MBEDTLS_SSL_HASH_SHA1) {
return 20;
}
return 0;
}

View File

@ -0,0 +1,38 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2022 Jeff Epler for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#pragma once
#include "mbedtls/sha1.h"
typedef struct {
mp_obj_base_t base;
union {
mbedtls_sha1_context sha1;
};
// Of MBEDTLS_SSL_HASH_*
uint8_t hash_type;
} hashlib_hash_obj_t;

View File

@ -0,0 +1,40 @@
/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2022 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "shared-bindings/hashlib/__init__.h"
#include "mbedtls/ssl.h"
bool common_hal_hashlib_new(hashlib_hash_obj_t *self, const char *algorithm) {
if (strcmp(algorithm, "sha1") == 0) {
self->hash_type = MBEDTLS_SSL_HASH_SHA1;
mbedtls_sha1_init(&self->sha1);
mbedtls_sha1_starts_ret(&self->sha1);
return true;
}
return false;
}