done

Author: Hyper

README.md

@@ -1,12 +1,12 @@
-# Go project template
+# RSA
 
-[![GoDoc](https://pkg.go.dev/badge/github.com/hyperjiang/go-tpl)](https://pkg.go.dev/github.com/hyperjiang/go-tpl)
-[![CI](https://github.com/hyperjiang/go-tpl/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/hyperjiang/go-tpl/actions/workflows/ci.yml)
-[![](https://goreportcard.com/badge/github.com/hyperjiang/go-tpl)](https://goreportcard.com/report/github.com/hyperjiang/go-tpl)
-[![codecov](https://codecov.io/gh/hyperjiang/go-tpl/branch/main/graph/badge.svg)](https://codecov.io/gh/hyperjiang/go-tpl)
-[![Release](https://img.shields.io/github/release/hyperjiang/go-tpl.svg)](https://github.com/hyperjiang/go-tpl/releases)
+[![GoDoc](https://pkg.go.dev/badge/github.com/hyperjiang/rsa)](https://pkg.go.dev/github.com/hyperjiang/rsa)
+[![CI](https://github.com/hyperjiang/rsa/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/hyperjiang/rsa/actions/workflows/ci.yml)
+[![](https://goreportcard.com/badge/github.com/hyperjiang/rsa)](https://goreportcard.com/report/github.com/hyperjiang/rsa)
+[![codecov](https://codecov.io/gh/hyperjiang/rsa/branch/main/graph/badge.svg)](https://codecov.io/gh/hyperjiang/rsa)
+[![Release](https://img.shields.io/github/release/hyperjiang/rsa.svg)](https://github.com/hyperjiang/rsa/releases)
 
-Simple golang project template.
+RSA encryption & decryption.
 
 ## Prerequisite
 

def.go

@@ -0,0 +1,38 @@
+package rsa
+
+import "fmt"
+
+// KeyFormat defines key format enum type.
+type KeyFormat string
+
+// key format constants.
+const (
+	PKCS1 KeyFormat = "pkcs1"
+	PKCS8 KeyFormat = "pkcs8"
+
+	PKCS1PublicKey     = "RSA PUBLIC KEY"
+	PKCS1PrivateKey    = "RSA PRIVATE KEY"
+	PKCS1PublicHeader  = "-----BEGIN RSA PUBLIC KEY-----"
+	PKCS1PublicTail    = "-----END RSA PUBLIC KEY-----"
+	PKCS1PrivateHeader = "-----BEGIN RSA PRIVATE KEY-----"
+	PKCS1PrivateTail   = "-----END RSA PRIVATE KEY-----"
+
+	PKCS8PublicKey     = "PUBLIC KEY"
+	PKCS8PrivateKey    = "PRIVATE KEY"
+	PKCS8PublicHeader  = "-----BEGIN PUBLIC KEY-----"
+	PKCS8PublicTail    = "-----END PUBLIC KEY-----"
+	PKCS8PrivateHeader = "-----BEGIN PRIVATE KEY-----"
+	PKCS8PrivateTail   = "-----END PRIVATE KEY-----"
+)
+
+var (
+	invalidPublicKeyError = func() error {
+		return fmt.Errorf("invalid public key, please make sure the public key is valid")
+	}
+	invalidPrivateKeyError = func() error {
+		return fmt.Errorf("invalid private key, please make sure the private key is valid")
+	}
+	invalidRSAKeyError = func() error {
+		return fmt.Errorf("invalid rsa key, please make sure the key pair is valid")
+	}
+)

go.mod

@@ -1,3 +1,11 @@
-module github.com/hyperjiang/gotpl
+module github.com/hyperjiang/rsa
 
 go 1.18
+
+require github.com/stretchr/testify v1.9.0
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -0,0 +1,10 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=