As far as I remember, the use of MD5 is only allowed in TLS 1 for the specific 
use within the PRF for key generation as the __combination__ of SHA-1 and MD5 
is not considered weak usage. Use of MD5 elsewhere is still disallowed.

Carl
________________________________________
From: owner-openssl-us...@openssl.org [owner-openssl-us...@openssl.org] on 
behalf of Perrow, Graeme [graeme.per...@sap.com]
Sent: 25 July 2013 18:40
To: openssl-users@openssl.org
Subject: Using MD5 certificates in OpenSSL FIPS

I am using OpenSSL FIPS module 2.0.5 with OpenSSL 1.0.1e on Windows. After 
calling FIPS_mode_set(1), I cannot call SSL_CTX_use_RSAPrivateKey_file. When I 
debug into it, it is failing when trying to initialize MD5. Apparently the 
private key is encrypted with MD5.

I was under the impression that MD5 was not allowed in FIPS mode **unless** 
it's being used with TLS, which is what I'm doing. Am I wrong, or is there 
something else I have to do to allow MD5 in this case?

Thank you
Graeme Perrow

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