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8d195e7a8a
gcc-11 points out a mismatch between the declaration and the definition
of poly1305_core_setkey():
lib/crypto/poly1305-donna32.c:13:67: error: argument 2 of type ‘const u8[16]’ {aka ‘const unsigned char[16]’} with mismatched bound [-Werror=array-parameter=]
13 | void poly1305_core_setkey(struct poly1305_core_key *key, const u8 raw_key[16])
| ~~~~~~~~~^~~~~~~~~~~
In file included from lib/crypto/poly1305-donna32.c:11:
include/crypto/internal/poly1305.h:21:68: note: previously declared as ‘const u8 *’ {aka ‘const unsigned char *’}
21 | void poly1305_core_setkey(struct poly1305_core_key *key, const u8 *raw_key);
This is harmless in principle, as the calling conventions are the same,
but the more specific prototype allows better type checking in the
caller.
Change the declaration to match the actual function definition.
The poly1305_simd_init() is a bit suspicious here, as it previously
had a 32-byte argument type, but looks like it needs to take the
16-byte POLY1305_BLOCK_SIZE array instead.
Fixes: 1c08a10436 ("crypto: poly1305 - add new 32 and 64-bit generic versions")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Common values for the Poly1305 algorithm
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*/
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#ifndef _CRYPTO_INTERNAL_POLY1305_H
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#define _CRYPTO_INTERNAL_POLY1305_H
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#include <asm/unaligned.h>
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#include <linux/types.h>
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#include <crypto/poly1305.h>
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/*
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* Poly1305 core functions. These only accept whole blocks; the caller must
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* handle any needed block buffering and padding. 'hibit' must be 1 for any
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* full blocks, or 0 for the final block if it had to be padded. If 'nonce' is
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* non-NULL, then it's added at the end to compute the Poly1305 MAC. Otherwise,
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* only the ε-almost-∆-universal hash function (not the full MAC) is computed.
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*/
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void poly1305_core_setkey(struct poly1305_core_key *key,
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const u8 raw_key[POLY1305_BLOCK_SIZE]);
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static inline void poly1305_core_init(struct poly1305_state *state)
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{
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*state = (struct poly1305_state){};
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}
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void poly1305_core_blocks(struct poly1305_state *state,
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const struct poly1305_core_key *key, const void *src,
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unsigned int nblocks, u32 hibit);
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void poly1305_core_emit(const struct poly1305_state *state, const u32 nonce[4],
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void *dst);
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#endif
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