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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2019-07-03 10:55:06 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2019-07-26 15:02:06 +1000
commit5cb97700beaa005ceb2a127b6f53536a4544c9d8 (patch)
tree804250cce73d7cf8d842ce51881202cfaaecdbb8 /include/crypto/morus1280_glue.h
parentf248caf9a5ccda733456baddb234bce7431152ba (diff)
downloadlinux-stericsson-5cb97700beaa005ceb2a127b6f53536a4544c9d8.tar.gz
crypto: morus - remove generic and x86 implementations
MORUS was not selected as a winner in the CAESAR competition, which is not surprising since it is considered to be cryptographically broken [0]. (Note that this is not an implementation defect, but a flaw in the underlying algorithm). Since it is unlikely to be in use currently, let's remove it before we're stuck with it. [0] https://eprint.iacr.org/2019/172.pdf Reviewed-by: Ondrej Mosnacek <omosnace@redhat.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto/morus1280_glue.h')
-rw-r--r--include/crypto/morus1280_glue.h97
1 files changed, 0 insertions, 97 deletions
diff --git a/include/crypto/morus1280_glue.h b/include/crypto/morus1280_glue.h
deleted file mode 100644
index 5cefddb1991f..000000000000
--- a/include/crypto/morus1280_glue.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/* 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 */