- rsa: fix a memory leak with header RSA signatures. - ecdsa: attempt to get the V4 fingerprint correct.
- rsa: fix a memory leak with header RSA signatures.
- ecdsa: attempt to get the V4 fingerprint correct.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5