/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * The MORUS-1280 Authenticated-Encryption Algorithm * Common glue skeleton -- header file * * Copyright (c) 2016-2018 Ondrej Mosnacek <omosnacek@gmail.com> * Copyright (C) 2017-2018 Red Hat, Inc. All rights reserved. */ #ifndef _CRYPTO_MORUS1280_GLUE_H #define _CRYPTO_MORUS1280_GLUE_H #include <linux/module.h> #include <linux/types.h> #include <crypto/algapi.h> #include <crypto/aead.h> #include <crypto/morus_common.h> #define MORUS1280_WORD_SIZE 8 #define MORUS1280_BLOCK_SIZE (MORUS_BLOCK_WORDS * MORUS1280_WORD_SIZE) struct morus1280_block { u8 bytes[MORUS1280_BLOCK_SIZE]; }; struct morus1280_glue_ops { void (*init)(void *state, const void *key, const void *iv); void (*ad)(void *state, const void *data, unsigned int length); void (*enc)(void *state, const void *src, void *dst, unsigned int length); void (*dec)(void *state, const void *src, void *dst, unsigned int length); void (*enc_tail)(void *state, const void *src, void *dst, unsigned int length); void (*dec_tail)(void *state, const void *src, void *dst, unsigned int length); void (*final)(void *state, void *tag_xor, u64 assoclen, u64 cryptlen); }; struct morus1280_ctx { const struct morus1280_glue_ops *ops; struct morus1280_block key; }; void crypto_morus1280_glue_init_ops(struct crypto_aead *aead, const struct morus1280_glue_ops *ops); int crypto_morus1280_glue_setkey(struct crypto_aead *aead, const u8 *key, unsigned int keylen); int crypto_morus1280_glue_setauthsize(struct crypto_aead *tfm, unsigned int authsize); int crypto_morus1280_glue_encrypt(struct aead_request *req); int crypto_morus1280_glue_decrypt(struct aead_request *req); #define MORUS1280_DECLARE_ALG(id, driver_name, priority) \ static const struct morus1280_glue_ops crypto_morus1280_##id##_ops = {\ .init = crypto_morus1280_##id##_init, \ .ad = crypto_morus1280_##id##_ad, \ .enc = crypto_morus1280_##id##_enc, \ .enc_tail = crypto_morus1280_##id##_enc_tail, \ .dec = crypto_morus1280_##id##_dec, \ .dec_tail = crypto_morus1280_##id##_dec_tail, \ .final = crypto_morus1280_##id##_final, \ }; \ \ static int crypto_morus1280_##id##_init_tfm(struct crypto_aead *tfm) \ { \ crypto_morus1280_glue_init_ops(tfm, &crypto_morus1280_##id##_ops); \ return 0; \ } \ \ static void crypto_morus1280_##id##_exit_tfm(struct crypto_aead *tfm) \ { \ } \ \ static struct aead_alg crypto_morus1280_##id##_alg = { \ .setkey = crypto_morus1280_glue_setkey, \ .setauthsize = crypto_morus1280_glue_setauthsize, \ .encrypt = crypto_morus1280_glue_encrypt, \ .decrypt = crypto_morus1280_glue_decrypt, \ .init = crypto_morus1280_##id##_init_tfm, \ .exit = crypto_morus1280_##id##_exit_tfm, \ \ .ivsize = MORUS_NONCE_SIZE, \ .maxauthsize = MORUS_MAX_AUTH_SIZE, \ .chunksize = MORUS1280_BLOCK_SIZE, \ \ .base = { \ .cra_flags = CRYPTO_ALG_INTERNAL, \ .cra_blocksize = 1, \ .cra_ctxsize = sizeof(struct morus1280_ctx), \ .cra_alignmask = 0, \ .cra_priority = priority, \ \ .cra_name = "__morus1280", \ .cra_driver_name = "__"driver_name, \ \ .cra_module = THIS_MODULE, \ } \ } #endif /* _CRYPTO_MORUS1280_GLUE_H */