[stunnel-users] Problems with Stunnel 4.5*

Michal Trojnara Michal.Trojnara at mirt.net
Thu Dec 8 22:31:20 CET 2011

Sebastian Rose-Indorf wrote:
> Stunnel 4.51b1 however
> - starts only if "fips = no" is set;
> - not accepts my certificate and my private key (SHA384 or RMD160,  
> AES128
> or IDEA) any more:
> error queue: 140B0009: error:140B0009:SSL
> routines:SSL_CTX_use_PrivateKey_file:PEM lib
> error queue: 907B00D: error:0907B00D:PEM
> error queue: 2306A075: error:2306A075:PKCS12
> routines:PKCS12_item_decrypt_d2i:pkcs12 pbe crypt error
> error queue: 23077073: error:23077073:PKCS12
> routines:PKCS12_pbe_crypt:pkcs12 algor cipherinit error
> SSL_CTX_use_PrivateKey_file: 6074079: error:06074079:digital envelope
> routines:EVP_PBE_CipherInit:unknown pbe algorithm

Do you mean that stunnel does not accept non-FIPS-approved algorithms  
in FIPS mode?  I suppose this is something to to be expected...

Or maybe you rather mean that in FIPS mode it does not start at all  
(what does it mean exactly?), and with FIPS mode turned off you still  
can't use non-FIPS algorithms?

This essay may be helpful: http://www.chiark.greenend.org.uk/~sgtatham/bugs.html

BTW: While it's perfectly okay that OpenSSL doesn't accept IDEA as PBE  
algorithm (who would want to use IDEA, anyway), I'm surprised there  
are also problems with AES128.  It might be a good idea to report it  
to openssl-users mailing list...

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