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nts: allow missing SIV support

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When compiled with NTS support, don't require a SIV cipher to be always
supported (e.g. due to a different version of a library used for
building). Handle this case with a fatal message instead of crash.
Also, check the support early in the client unit test to prevent a hang.
This commit is contained in:
Miroslav Lichvar
2020-06-03 11:03:00 +02:00
parent 15dc83420d
commit cf10ce1b68
3 changed files with 9 additions and 2 deletions
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7
nts_ke_server.c
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@@ -433,8 +433,11 @@ generate_key(int index)
assert(0);
UTI_GetRandomBytesUrandom(server_keys[index].key, key_length);
if (!SIV_SetKey(server_keys[index].siv, server_keys[index].key, key_length))
assert(0);
if (!server_keys[index].siv ||
!SIV_SetKey(server_keys[index].siv, server_keys[index].key, key_length)) {
LOG_FATAL("Could not set SIV key");
}
UTI_GetRandomBytes(&server_keys[index].id, sizeof (server_keys[index].id));