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List:       mozilla-crypto
Subject:    Re: Which algorithm for SGN_Digest?
From:       Philippe Camacho <tempo.warrior () free ! fr>
Date:       2004-10-29 17:10:56
Message-ID: clttj3$3op4 () ripley ! netscape ! com
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Nelson B wrote:
> Philippe Camacho wrote:
> 
>> I try to use SGN_Digest with the algorithm 
>> SEC_OID_PKCS1_RSA_ENCRYPTION but it fails: The error code given by 
>> PR_GetError is -8186 (Bad algorithm). I tried other algorithms but it 
>> still failed...
>>    Which algorithm I am supposed to use?
>>
>>  Thanks for help.
> 
> 
> A "digest" is a cryptographic hash, not a signature, and not encryption.
> The OID you cite above is an OID for an encryption/signature algorithm,
> not an OID for a hash algorithm.
> You need to specify one of the following values:
> 
> SEC_OID_MD2
> SEC_OID_MD5
> SEC_OID_SHA1
> SEC_OID_SHA256
> SEC_OID_SHA384
> SEC_OID_SHA512
> 
> See 
> http://lxr.mozilla.org/security/source/security/nss/lib/util/secdig.c#95
> 
Thank very much it works fine now!
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