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That's a mostly-unrelated use of the word "seal", a device that's intended to demonstrate that a document hasn't been tampered with. The use here is to indicat
by thaumasiotes 2y ago
That's a mostly-unrelated use of the word "seal", a device that's intended to demonstrate that a document hasn't been tampered with.
The use here is to indicate a device that demonstrates that a specific person approved a document. Conceptually, it's a signature.
- lupire 2y agoBut what is the scope of the signature ? In cryptography we have encryption and signatures that hash the whole document. In wax we can seal the envelope so that tampering is detectable