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Revision 605bdf68df0f239ac2c74b752cc65b3e3bbe4275 authored by dependabot[bot] on 01 November 2024, 13:22:26 UTC, committed by GitHub on 01 November 2024, 13:22:26 UTC
Bump libopencm3 from `1f3abd4` to `201f5bc`
Bumps [libopencm3](https://github.com/libopencm3/libopencm3) from `1f3abd4` to `201f5bc`.
- [Commits](https://github.com/libopencm3/libopencm3/compare/1f3abd43763fa39d23e737602b6d0011a45c70b2...201f5bcfb3fa70ee34818152463e7139f24db377)

---
updated-dependencies:
- dependency-name: libopencm3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
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aes.h
// SPDX-License-Identifier: Apache-2.0 or CC0-1.0
#ifndef AES_H
#define AES_H

#include <stdint.h>
#include <stdlib.h>

#define AES128_KEYBYTES 16
#define AES192_KEYBYTES 24
#define AES256_KEYBYTES 32
#define AESCTR_NONCEBYTES 12
#define AES_BLOCKBYTES 16

typedef struct {
    uint32_t sk_exp[2*11*AES_BLOCKBYTES/sizeof(uint32_t)];
} aes128ctx;


typedef struct {
    uint32_t sk_exp[2*15*AES_BLOCKBYTES/sizeof(uint32_t)];
} aes256ctx;



/** Initializes the context **/
void aes128_ecb_keyexp(aes128ctx *r, const unsigned char *key);

void aes128_ctr_keyexp(aes128ctx *r, const unsigned char *key);

void aes128_ecb(unsigned char *out, const unsigned char *in, size_t nblocks, const aes128ctx *ctx);

void aes128_ctr(unsigned char *out, size_t outlen, const unsigned char *iv, const aes128ctx *ctx);

void aes128_ctx_release(aes128ctx *r);


/** Initializes the context **/
void aes256_ecb_keyexp(aes256ctx *r, const unsigned char *key);

void aes256_ctr_keyexp(aes256ctx *r, const unsigned char *key);

void aes256_ecb(unsigned char *out, const unsigned char *in, size_t nblocks, const aes256ctx *ctx);

void aes256_ctr(unsigned char *out, size_t outlen, const unsigned char *iv, const aes256ctx *ctx);

void aes256_ctx_release(aes256ctx *r);


#endif
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