openssl dgst -ripemd160 -sign ec5_ca.key shr.o.txt
 WARNING: can't open config file: /usr/local/ssl/openssl.cnf
 Error setting context
 5664:error:100C508A:elliptic curve routines:PKEY_EC_CTRL:invalid
 digest type:.c
 ryptoecec_pmeth.c:229:
 Also, in documentation on pkeyutl program is mentioned, that ECDSA
 supports only sha1
 http://www.openssl.org/docs/apps/pkeyutl.html#
 (subsection "EC ALGORITHM")
 Documentation on dgst program did not mention any limitations for
 choice of hash, there only was said, that sha1 is preferred choice.
 That EC key used in failed example above is  based on secp521r1 and
 was generated by openssl.
  Citējot *Dr. Stephen Henson <st...@openssl.org> [1]*:
> On Fri, Jul 15, 2011, y...@inbox.lv wrote:
> 
>  >
>  >  Version of ECDSA available in openssl 1.0.0d supports only
> SHA1.
>  >  (maybe there are patches, which adds other hash functions,
> but
>  >  default build on win32 supports only sha1).
> 
>  What makes you think that? OpenSSL 0.9.8 only supports SHA1 with
> ECDSA in
>  things like certificates but 1.0.0 and later should support other
> hashes
>  such as SHA256.
> 
>  Can you give an example where 1.0.0 is failing?
> 
>  Steve.
>  --
>  Dr Stephen N. Henson. OpenSSL project core developer.
>  Commercial tech support now available see: http://www.openssl.org
>  ______________________________________________________________________
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  -- Tavs bezmaksas pasts Inbox.lv

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