Release 4.0 (NNCP)

Incompatible encrypted and eblob packet format change: AEAD encryption mode with 128 KiB blocks is used now, because previously nncp-toss did not verify encrypted packet’s MAC before feeding decrypted data to external command. Older versions are not supported.
Available free space checking before copying in nncp-xfer, nncp-daemon, nncp-call(er).
nncp-call has ability only to list packets on remote node, without their transmission.
nncp-call has ability to transfer only specified packets.
Workability of xxrate preference in calls configuration file section.
Dependant libraries are updated.
Minor bugfixes.
Begin using of go.mod subsystem.