[crypto] Remove elliptic curve abstraction for X25519 X25519 is defined as a key exchange algorithm, not as a generic elliptic curve. We have never supported arbitrary point addition on the underlying curve, and we have never supported pure multiplication (without the clamping defined in RFC7748, which modifies the scalar multiple). Now that we have an abstraction for key exchange that exists independently of the elliptic curve abstraction, there are no further consumers of the elliptic curve abstraction for X25519. Remove this redundant abstraction to simplify the codebase. Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE is the leading open source network boot firmware. It provides a full PXE implementation enhanced with additional features such as:
boot from a web server via HTTP or HTTPS,
boot from an iSCSI, FCoE, or AoE SAN,
control the boot process with a script,
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