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Add an extra compile-time assertion

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Frank Denis 2019-01-03 18:52:43 +01:00
parent 74ccac9e83
commit 1cd6641cde
1 changed files with 2 additions and 0 deletions
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2
src/libsodium/crypto_generichash/blake2b/ref/generichash_blake2b.c
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@ -5,6 +5,7 @@
#include "blake2.h" #include "blake2.h"
#include "crypto_generichash_blake2b.h" #include "crypto_generichash_blake2b.h"
#include "private/common.h"
#include "private/implementations.h" #include "private/implementations.h"
int int
@ -52,6 +53,7 @@ crypto_generichash_blake2b_init(crypto_generichash_blake2b_state *state,
} }
assert(outlen <= UINT8_MAX); assert(outlen <= UINT8_MAX);
assert(keylen <= UINT8_MAX); assert(keylen <= UINT8_MAX);
COMPILER_ASSERT(sizeof(blake2b_state) <= sizeof *state);
if (key == NULL || keylen <= 0U) { if (key == NULL || keylen <= 0U) {
if (blake2b_init((blake2b_state *) (void *) state, (uint8_t) outlen) != 0) { if (blake2b_init((blake2b_state *) (void *) state, (uint8_t) outlen) != 0) {
return -1; /* LCOV_EXCL_LINE */ return -1; /* LCOV_EXCL_LINE */