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https://github.com/ecies/go
Elliptic Curve Integrated Encryption Scheme for secp256k1 in Golang
https://github.com/ecies/go
bitcoin crypto cryptocurrency cryptography ecies elliptic-curve-cryptography ethereum golang secp256k1
Last synced: 6 days ago
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Elliptic Curve Integrated Encryption Scheme for secp256k1 in Golang
- Host: GitHub
- URL: https://github.com/ecies/go
- Owner: ecies
- License: mit
- Created: 2019-08-06T18:50:12.000Z (over 5 years ago)
- Default Branch: master
- Last Pushed: 2024-05-06T19:34:56.000Z (6 months ago)
- Last Synced: 2024-08-27T04:27:16.987Z (3 months ago)
- Topics: bitcoin, crypto, cryptocurrency, cryptography, ecies, elliptic-curve-cryptography, ethereum, golang, secp256k1
- Language: Go
- Homepage: https://ecies.org/go
- Size: 674 KB
- Stars: 106
- Watchers: 9
- Forks: 22
- Open Issues: 4
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# eciesgo
[](https://godoc.org/github.com/ecies/go)
[](https://goreportcard.com/report/github.com/ecies/go)
Elliptic Curve Integrated Encryption Scheme for secp256k1, written in Go with **minimal** dependencies.
This is the Go version of [ecies/py](https://github.com/ecies/py) with a built-in class-like secp256k1 API, you may go there for detailed documentation of the mechanism under the hood.
## Install
`go get github.com/ecies/go/v2`
Go 1.13 is required cause `fmt.Errorf` is used to wrap errors.
> ⚠️ Please use version 2.0.3 and later. It's much faster and safer.
## Quick Start
```go
package main
import (
ecies "github.com/ecies/go/v2"
"log"
)
func main() {
k, err := ecies.GenerateKey()
if err != nil {
panic(err)
}
log.Println("key pair has been generated")
ciphertext, err := ecies.Encrypt(k.PublicKey, []byte("THIS IS THE TEST"))
if err != nil {
panic(err)
}
log.Printf("plaintext encrypted: %v\n", ciphertext)
plaintext, err := ecies.Decrypt(k, ciphertext)
if err != nil {
panic(err)
}
log.Printf("ciphertext decrypted: %s\n", string(plaintext))
}
```
## Benchmarks
With CGO:
```
goos: linux
goarch: amd64
pkg: github.com/ecies/go/v2
cpu: AMD Ryzen 7 5700G with Radeon Graphics
BenchmarkEncrypt-16 12250 98122 ns/op 5185 B/op 61 allocs/op
BenchmarkDecrypt-16 23934 50046 ns/op 4097 B/op 46 allocs/op
```
Without CGO:
```
goos: linux
goarch: amd64
pkg: github.com/ecies/go/v2
cpu: AMD Ryzen 7 5700G with Radeon Graphics
BenchmarkEncrypt-16 10000 112632 ns/op 5655 B/op 68 allocs/op
BenchmarkDecrypt-16 14038 85641 ns/op 4725 B/op 56 allocs/op
```