[openssl-users] Regarding Signature Algorithm: ecdsa-with-SHA512

[Abhilash K.V]

Hi Steve,

This worked now. Thanks

Thanks,
Abhilash.

On Mon, Jul 18, 2016 at 7:34 AM, Abhilash K.V <abhilashkv at gmail.com> wrote:

> Hi Steve,
>
> Thanks for the information I was not aware of that.
>
> Yes, did that modification and now I am getting it as following (I passed
> EVP_sha512()).
>
> Signature Algorithm: ecdsa-with-SHA256
>
> Thanks,
> Abhilash.
>
> On Sun, Jul 17, 2016 at 8:05 PM, Dr. Stephen Henson <steve at openssl.org>
> wrote:
>
>> On Sun, Jul 17, 2016, Abhilash K.V wrote:
>>
>> > I am trying to generate a CSR using EC and wanted to have signature
>> > algorithm as ???ecdsa-with-SHA512???.
>> >
>> > But in the generated csr I am getting signature algorithms as
>> ???Signature
>> > Algorithm: ecdsa-with-SHA1??? always.
>> >
>> >
>> >     if (!X509_REQ_sign(req, privkey, EVP_ecdsa())) {
>> >
>>
>> Don't use EVP_ecdsa() it is an old "linked digest" which uses SHA1 and is
>> only
>> retained for compatibility with old code. Use EVP_sha512() instead.
>>
>> Steve.
>> --
>> Dr Stephen N. Henson. OpenSSL project core developer.
>> Commercial tech support now available see: http://www.openssl.org
>> --
>> openssl-users mailing list
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>>
>
>
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