Email singing failing Outlook 2007 on Vista   

Hi All,

Email singing is failing with Outlook 2007 on Vista when email is signed via 
the baseCSP.

We have implemented our card module and when trying to sign the mail by 
using the"Micosoft Base smart Card Crypto Provider" (baseCsp). It is failing. 

When I debug more into the cardModule/sc mini driver, i came to know that 
the parameter value of aiHashAlg in struct _CARD_SIGNING_INFO  
(_CARD_SIGNING_INFO is passed as a parameter of call CardSignData) is coming 
0 to the card module. So, according the specification, our card module 
returns SCARD_E_INVALID_PARAMETER from CardSignData.  0 is not from the list.

Specification Note:

aiHashAlg takes those values permissible by ALG_ID from the HASH algorithm 
class (CALG_TLS1PRF, CALG_MAC, CALG_SHA_256, CALG_SHA_384, CALG_SHA_512, 
CALG_HASH_REPLACE_OWF, CALG_MD2, CALG_MD4, CALG_MD5, CALG_SHA, CALG_SHA1, 
CALG_HUGHES_MD5, and CALG_HMAC).
Algorithms unsupported by the card should be SCARD_E_UNSUPPORED_FEATURE.


While in case of XP, the singing has no problem and the value of aiHashAlg  
is coming as 0x8004 i.e. SHA/SHA1.

Can any one from Microsoft validate the same problem?

Regards,
Amit Goel
Sr Software Developer
SafeNet Inc

date: Thu, 1 May 2008 03:40:00 -0700   author:   Amit Goel

RE: Email singing failing Outlook 2007 on Vista   

"Amit Goel" wrote:

> Hi All,
> 
> Email singing is failing with Outlook 2007 on Vista when email is signed via 
> the baseCSP.
> 
> We have implemented our card module and when trying to sign the mail by 
> using the"Micosoft Base smart Card Crypto Provider" (baseCsp). It is failing. 
> 
> When I debug more into the cardModule/sc mini driver, i came to know that 
> the parameter value of aiHashAlg in struct _CARD_SIGNING_INFO  
> (_CARD_SIGNING_INFO is passed as a parameter of call CardSignData) is coming 
> 0 to the card module. So, according the specification, our card module 
> returns SCARD_E_INVALID_PARAMETER from CardSignData.  0 is not from the list.
> 
> Specification Note:
> 
> aiHashAlg takes those values permissible by ALG_ID from the HASH algorithm 
> class (CALG_TLS1PRF, CALG_MAC, CALG_SHA_256, CALG_SHA_384, CALG_SHA_512, 
> CALG_HASH_REPLACE_OWF, CALG_MD2, CALG_MD4, CALG_MD5, CALG_SHA, CALG_SHA1, 
> CALG_HUGHES_MD5, and CALG_HMAC).
> Algorithms unsupported by the card should be SCARD_E_UNSUPPORED_FEATURE.
> 
> 
> While in case of XP, the singing has no problem and the value of aiHashAlg  
> is coming as 0x8004 i.e. SHA/SHA1.
> 
> Can any one from Microsoft validate the same problem?
> 
> Regards,
> Amit Goel
> Sr Software Developer
> SafeNet Inc
> 

Just a little clarification.

The selected Hashing Algo is SHA1 in Outllok 2007.

date: Thu, 1 May 2008 04:11:00 -0700   author:   Amit Goel