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Add smemclrs of all hash states we destroy.

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Simon Tatham
2015-04-26 23:55:33 +01:00
parent 9d5a164021
commit 16c46ecdaf
4 changed files with 12 additions and 0 deletions
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3
sshsh256.c
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@ -184,6 +184,7 @@ void SHA256_Simple(const void *p, int len, unsigned char *output) {
SHA256_Init(&s);
SHA256_Bytes(&s, p, len);
SHA256_Final(&s, output);
smemclr(&s, sizeof(s));
}
/*
@ -211,6 +212,7 @@ static void sha256_final(void *handle, unsigned char *output)
SHA256_State *s = handle;
SHA256_Final(s, output);
smemclr(s, sizeof(*s));
sfree(s);
}
@ -230,6 +232,7 @@ static void *sha256_make_context(void)
static void sha256_free_context(void *handle)
{
smemclr(handle, 3 * sizeof(SHA256_State));
sfree(handle);
}