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cmake: detect "bounded" compiler attribute

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Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Aris Adamantiadis
2018-02-28 10:24:52 -06:00
committed by Andreas Schneider
parent acc1ade74a
commit ebd76bf347
4 changed files with 23 additions and 4 deletions
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15
include/libssh/chacha.h
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@@ -20,13 +20,22 @@ struct chacha_ctx {
#define CHACHA_BLOCKLEN 64
void chacha_keysetup(struct chacha_ctx *x, const uint8_t *k, uint32_t kbits)
__attribute__((__bounded__(__minbytes__, 2, CHACHA_MINKEYLEN)));
#ifdef HAVE_GCC_BOUNDED_ATTRIBUTE
__attribute__((__bounded__(__minbytes__, 2, CHACHA_MINKEYLEN)))
#endif
;
void chacha_ivsetup(struct chacha_ctx *x, const uint8_t *iv, const uint8_t *ctr)
#ifdef HAVE_GCC_BOUNDED_ATTRIBUTE
__attribute__((__bounded__(__minbytes__, 2, CHACHA_NONCELEN)))
__attribute__((__bounded__(__minbytes__, 3, CHACHA_CTRLEN)));
__attribute__((__bounded__(__minbytes__, 3, CHACHA_CTRLEN)))
#endif
;
void chacha_encrypt_bytes(struct chacha_ctx *x, const uint8_t *m,
uint8_t *c, uint32_t bytes)
#ifdef HAVE_GCC_BOUNDED_ATTRIBUTE
__attribute__((__bounded__(__buffer__, 2, 4)))
__attribute__((__bounded__(__buffer__, 3, 4)));
__attribute__((__bounded__(__buffer__, 3, 4)))
#endif
;
#endif /* CHACHA_H */

5
include/libssh/poly1305.h
View File

@@ -11,8 +11,11 @@
void poly1305_auth(uint8_t out[POLY1305_TAGLEN], const uint8_t *m, size_t inlen,
const uint8_t key[POLY1305_KEYLEN])
#ifdef HAVE_GCC_BOUNDED_ATTRIBUTE
__attribute__((__bounded__(__minbytes__, 1, POLY1305_TAGLEN)))
__attribute__((__bounded__(__buffer__, 2, 3)))
__attribute__((__bounded__(__minbytes__, 4, POLY1305_KEYLEN)));
__attribute__((__bounded__(__minbytes__, 4, POLY1305_KEYLEN)))
#endif
;
#endif /* POLY1305_H */