1*e7b1675dSTing-Kang Chang// Copyright 2019 Google LLC 2*e7b1675dSTing-Kang Chang// 3*e7b1675dSTing-Kang Chang// Licensed under the Apache License, Version 2.0 (the "License"); 4*e7b1675dSTing-Kang Chang// you may not use this file except in compliance with the License. 5*e7b1675dSTing-Kang Chang// You may obtain a copy of the License at 6*e7b1675dSTing-Kang Chang// 7*e7b1675dSTing-Kang Chang// http://www.apache.org/licenses/LICENSE-2.0 8*e7b1675dSTing-Kang Chang// 9*e7b1675dSTing-Kang Chang// Unless required by applicable law or agreed to in writing, software 10*e7b1675dSTing-Kang Chang// distributed under the License is distributed on an "AS IS" BASIS, 11*e7b1675dSTing-Kang Chang// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*e7b1675dSTing-Kang Chang// See the License for the specific language governing permissions and 13*e7b1675dSTing-Kang Chang// limitations under the License. 14*e7b1675dSTing-Kang Chang// 15*e7b1675dSTing-Kang Chang//////////////////////////////////////////////////////////////////////////////// 16*e7b1675dSTing-Kang Chang 17*e7b1675dSTing-Kang Chang// Package signature provides implementations of the Signer and Verifier 18*e7b1675dSTing-Kang Chang// primitives. 19*e7b1675dSTing-Kang Chang// 20*e7b1675dSTing-Kang Chang// To sign data using Tink you can use ECDSA, ED25519 or RSA-SSA-PKCS1 key templates. 21*e7b1675dSTing-Kang Changpackage signature 22*e7b1675dSTing-Kang Chang 23*e7b1675dSTing-Kang Changimport ( 24*e7b1675dSTing-Kang Chang "fmt" 25*e7b1675dSTing-Kang Chang 26*e7b1675dSTing-Kang Chang "github.com/google/tink/go/core/registry" 27*e7b1675dSTing-Kang Chang "github.com/google/tink/go/internal/internalregistry" 28*e7b1675dSTing-Kang Chang) 29*e7b1675dSTing-Kang Chang 30*e7b1675dSTing-Kang Changfunc init() { 31*e7b1675dSTing-Kang Chang // ECDSA 32*e7b1675dSTing-Kang Chang if err := registry.RegisterKeyManager(new(ecdsaSignerKeyManager)); err != nil { 33*e7b1675dSTing-Kang Chang panic(fmt.Sprintf("signature.init() failed: %v", err)) 34*e7b1675dSTing-Kang Chang } 35*e7b1675dSTing-Kang Chang if err := registry.RegisterKeyManager(new(ecdsaVerifierKeyManager)); err != nil { 36*e7b1675dSTing-Kang Chang panic(fmt.Sprintf("signature.init() failed: %v", err)) 37*e7b1675dSTing-Kang Chang } 38*e7b1675dSTing-Kang Chang 39*e7b1675dSTing-Kang Chang // ED25519 40*e7b1675dSTing-Kang Chang if err := registry.RegisterKeyManager(new(ed25519SignerKeyManager)); err != nil { 41*e7b1675dSTing-Kang Chang panic(fmt.Sprintf("signature.init() failed: %v", err)) 42*e7b1675dSTing-Kang Chang } 43*e7b1675dSTing-Kang Chang if err := internalregistry.AllowKeyDerivation(ed25519SignerTypeURL); err != nil { 44*e7b1675dSTing-Kang Chang panic(fmt.Sprintf("signature.init() failed: %v", err)) 45*e7b1675dSTing-Kang Chang } 46*e7b1675dSTing-Kang Chang if err := registry.RegisterKeyManager(new(ed25519VerifierKeyManager)); err != nil { 47*e7b1675dSTing-Kang Chang panic(fmt.Sprintf("signature.init() failed: %v", err)) 48*e7b1675dSTing-Kang Chang } 49*e7b1675dSTing-Kang Chang 50*e7b1675dSTing-Kang Chang // RSA SSA PKCS1 51*e7b1675dSTing-Kang Chang if err := registry.RegisterKeyManager(new(rsaSSAPKCS1SignerKeyManager)); err != nil { 52*e7b1675dSTing-Kang Chang panic(fmt.Sprintf("signature.init() failed: %v", err)) 53*e7b1675dSTing-Kang Chang } 54*e7b1675dSTing-Kang Chang if err := registry.RegisterKeyManager(new(rsaSSAPKCS1VerifierKeyManager)); err != nil { 55*e7b1675dSTing-Kang Chang panic(fmt.Sprintf("signature.init() failed: %v", err)) 56*e7b1675dSTing-Kang Chang } 57*e7b1675dSTing-Kang Chang 58*e7b1675dSTing-Kang Chang // RSA SSA PSS 59*e7b1675dSTing-Kang Chang if err := registry.RegisterKeyManager(new(rsaSSAPSSSignerKeyManager)); err != nil { 60*e7b1675dSTing-Kang Chang panic(fmt.Sprintf("signature.init() failed: %v", err)) 61*e7b1675dSTing-Kang Chang } 62*e7b1675dSTing-Kang Chang if err := registry.RegisterKeyManager(new(rsaSSAPSSVerifierKeyManager)); err != nil { 63*e7b1675dSTing-Kang Chang panic(fmt.Sprintf("signature.init() failed: %v", err)) 64*e7b1675dSTing-Kang Chang } 65*e7b1675dSTing-Kang Chang} 66