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cmac+hash: change parameter types

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For consistency and safety, change the CMC and HSH functions to accept
signed lengths and handle negative values as errors. Also, change the
input data type to void * to not require casting in the caller.
This commit is contained in:
Miroslav Lichvar
2020-07-08 12:02:12 +02:00
parent de4ecc72d1
commit d93aa10bac
13 changed files with 64 additions and 53 deletions
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10
hash_nettle.c
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@@ -84,14 +84,16 @@ HSH_GetHashId(HSH_Algorithm algorithm)
return id;
}
unsigned int
HSH_Hash(int id, const unsigned char *in1, unsigned int in1_len,
const unsigned char *in2, unsigned int in2_len,
unsigned char *out, unsigned int out_len)
int
HSH_Hash(int id, const void *in1, int in1_len, const void *in2, int in2_len,
unsigned char *out, int out_len)
{
const struct nettle_hash *hash;
void *context;
if (in1_len < 0 || in2_len < 0 || out_len < 0)
return 0;
hash = hashes[id].nettle_hash;
context = hashes[id].context;