[gnutls-devel] GnuTLS | pk: implement deterministic ECDSA/DSA for provable signing (!1051)
Development of GNU's TLS library
gnutls-devel at lists.gnutls.org
Sat Aug 3 18:53:25 CEST 2019
Daiki Ueno commented on a discussion on lib/crypto-backend.h: https://gitlab.com/gnutls/gnutls/merge_requests/1051#note_199813679
> int (*sign) (gnutls_pk_algorithm_t, gnutls_datum_t * signature,
> const gnutls_datum_t * data,
> const gnutls_pk_params_st *priv,
> - const gnutls_x509_spki_st *sign);
> + const gnutls_x509_spki_st *sign,
> + unsigned int flags);
Yes I thought about it, but neither params seem to be a good fit for this flag: `gnutls_pk_params_st` is associated with the private key, so it lasts after signing, and `gnutls_x509_spki_st` is a public interface about SPKI, while deterministic signing has nothing to do with it.
Also `privkey_sign_prehashed()` already takes a flag in addition to those params.
Reply to this email directly or view it on GitLab: https://gitlab.com/gnutls/gnutls/merge_requests/1051#note_199813679
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