Media format / version string for the current encrypted-media scheme.
Written to the v field of an attachment imeta tag and mixed into the
key-derivation context and AEAD associated data. New media references MUST
use this value; V1 clients MUST reject any legacy media-version string (see
darkmatter features/encrypted-media.md).
Media format / version string for the current encrypted-media scheme.
Written to the
vfield of an attachmentimetatag and mixed into the key-derivation context and AEAD associated data. New media references MUST use this value; V1 clients MUST reject any legacy media-version string (see darkmatterfeatures/encrypted-media.md).