Hi All, Tried with above method and its not worked. Please let me know is it possible to use NID_md5WithRSAEncryption, NID_md5 in fips mode. Thanks, Gayathri On Wed, Feb 4, 2015 at 8:56 PM, Dr. Stephen Henson <steve at openssl.org> wrote: > On Tue, Feb 03, 2015, Gayathri Manoj wrote: > > > Hi Steve, Viktor, > > > > I have tried with len also, But this also causing seg fault. > > my requiremnt is to store max 2048 bit keys. Hence I used length as > 512 > > +1. > > currently i ma getting len value = 28514. > > > > X509_SIG sig; > > X509_ALGOR algor; > > ASN1_OCTET_STRING digest; > > ASN1_TYPE parameter; > > ASN1_item_digest() // to get digest details > > sig.algor = &algor; > > sig.algor->algorithm=OBJ_nid2obj(NID_md5); > > parameter.type=V_ASN1_NULL; > > parameter.value.ptr=NULL; > > sig.algor->parameter = ¶meter; > > sig.digest = &digest; > > sig.digest->data=(unsigned char*)msg; > > sig.digest->length=datalen; > > len = i2d_X509_SIG(&sig,NULL); > > > > You should only use a pointer to an ASN.1 structure and not the actual > structure itself because you can end up with various fields taking odd > uninitialised values (I suspect the fact you haven't initialised "flags" is > at least one problem here. A complete set of accessor functions > unfortnately > doesn't currently exist for X509_SIG so you have to access some internals. > > In outline something like this: > > X509_SIG *sig = X509_SIG_new(); > X509_ALGOR_set0(sig->algor, OBJ_nid2obj(nid), V_ASN1_NULL, NULL); > ASN1_STRING_set(sig->digest, digest, digestlen); > > Steve. > -- > Dr Stephen N. Henson. OpenSSL project core developer. > Commercial tech support now available see: http://www.openssl.org > _______________________________________________ > openssl-users mailing list > To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mta.openssl.org/pipermail/openssl-users/attachments/20150205/d5f9519c/attachment.html>
