This new version of jpegdump.py adds option -E to display extra info for each segment.

This extra data is a hash of the segment’s data: md5, sha1, sha256.

jpegdump_V0_0_9.zip (https)
MD5: 1736DA65F7355308DC698E29DE8F5432
SHA256: 1E5AE79BB060F59D255999DBD74786F8A8A45DDB2C5F9C85A6FB2FA04CFD4D6C