[[ JPG file parse Pseudo Code ]]

1) Verify File
  a. read JPG file: find record markers, save file locations
  b. verify no parsing issues
  c. save file locations for metatdate
  d. save file locations for image data
2) Generate Hash
  a. hash all image data
3) Digital Signature
  a. generate new public keys
  b. sign hash data with priv key
4) Write new PicSeal file
  a. write encrypted original metadata
  b. write PicSeal metadata
    i. write JSON
  b. write image data


[[ PicSeal Metadata ]]
JSON Format

{
	"format_ver": "50",
	"pubkey_alg": "rsa",
	"pubkey_size": 4096,
	"pubkey_pem": "MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAnvdAyn5JuiRcoL8s+rAV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\n4Txbp7DC99x/xZhGck2Cpj8CAwEAAQ==",
	"image_sig": "6acda44a9e492ddcc0e6ddadbdbd2cc20fdbb06a9264f36268b03aff921332919edb541d9bcdafa2b958276fb553682e5b67d92a127ec8d5d89b29774db86c50",
	"metadata_sig": ""
}