ipa.go

// This is free and unencumbered software released into the public domain.
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// of this software dedicate any and all copyright interest in the
// software to the public domain. We make this dedication for the benefit
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// successors. We intend this dedication to be an overt act of
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// software under copyright law.
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package verkle

import (
	"errors"

	"github.com/crate-crypto/go-ipa/banderwagon"
)

type (
	Fr                        = banderwagon.Fr
	Point                     = banderwagon.Element
	SerializedPoint           = []byte
	SerializedPointCompressed = []byte
)

func FromLEBytes(fr *Fr, data []byte) error {
	if len(data) > 32 {
		return errors.New("data is too long")
	}
	var aligned [32]byte
	copy(aligned[:], data)
	fr.SetBytesLE(aligned[:])
	return nil
}

func StemFromBytes(fr *Fr, data []byte) error {
	if len(data) != StemSize {
		return errors.New("data length must be StemSize")
	}
	return FromLEBytes(fr, data)
}

func FromBytes(fr *Fr, data []byte) {
	var aligned [32]byte
	copy(aligned[32-len(data):], data)
	fr.SetBytes(aligned[:])
}