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signature-params: Provide option for maximum RSA/PSS salt length

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However, the length now has to be resolved early, so we don't operate on
the negative constant values e.g. when generating the encoding.
This commit is contained in:
Tobias Brunner
2018-10-26 09:03:26 +02:00
parent dd4bd21c5a
commit ecfe67550d
15 changed files with 119 additions and 71 deletions
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src/libstrongswan/plugins/botan/botan_rsa_private_key.c
+2 -7
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@@ -84,13 +84,8 @@ bool botan_emsa_pss_identifier(rsa_pss_params_t *params, char *id, size_t len)
{
return FALSE;
}
if (params->salt_len > RSA_PSS_SALT_LEN_DEFAULT)
{
return snprintf(id, len, "EMSA-PSS(%s,MGF1,%zd)", hash,
params->salt_len) < len;
}
return snprintf(id, len, "EMSA-PSS(%s,MGF1)", hash) < len;
return snprintf(id, len, "EMSA-PSS(%s,MGF1,%zd)", hash,
params->salt_len) < len;
}
/**