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cheat/vendor/github.com/cloudflare/circl/dh/x25519/doc.go
Christopher Allen Lane 95a4e31b6c chore(deps): upgrade dependencies
Upgrade all dependencies to newest versions.
2023-12-13 08:29:02 -05:00

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/*
Package x25519 provides Diffie-Hellman functions as specified in RFC-7748.
Validation of public keys.
The Diffie-Hellman function, as described in RFC-7748 [1], works for any
public key. However, if a different protocol requires contributory
behaviour [2,3], then the public keys must be validated against low-order
points [3,4]. To do that, the Shared function performs this validation
internally and returns false when the public key is invalid (i.e., it
is a low-order point).
References:
- [1] RFC7748 by Langley, Hamburg, Turner (https://rfc-editor.org/rfc/rfc7748.txt)
- [2] Curve25519 by Bernstein (https://cr.yp.to/ecdh.html)
- [3] Bernstein (https://cr.yp.to/ecdh.html#validate)
- [4] Cremers&Jackson (https://eprint.iacr.org/2019/526)
*/
package x25519