remove legacy example tests

Signed-off-by: qmuntal <qmuntaldiaz@microsoft.com>

helpers_test.go

@@ -1,14 +1,8 @@
 package cose
 
 import (
-	"crypto/ecdsa"
-	"crypto/elliptic"
 	"encoding/hex"
-	"encoding/json"
 	"fmt"
-	"io/ioutil"
-	"log"
-	"path/filepath"
 )
 
 // consts and helper functions for loading tests
@@ -656,10 +650,10 @@ var RSA_PARAMS = COSERustSignatureParameters{
 }
 
 type RustTestCase struct {
-	Title         string         // test fn name in cose-rust/examples/sign_verify/main.rs
+	Title         string     // test fn name in cose-rust/examples/sign_verify/main.rs
 	SignAlg       *Algorithm // COSE signing algorithm to use
-	SignPayload   []byte         // payload to sign
-	VerifyPayload []byte         // payload to verify (defaults to SignPayload)
+	SignPayload   []byte     // payload to sign
+	VerifyPayload []byte     // payload to verify (defaults to SignPayload)
 	Certs         [][]byte
 	Params        []COSERustSignatureParameters
 	// SignError // expected error nil for success/ok
@@ -829,127 +823,10 @@ var RustTestCases = []RustTestCase{
 var algTag = GetCommonHeaderTagOrPanic("alg")
 var kidTag = GetCommonHeaderTagOrPanic("kid")
 
-// WGExample
-// autogenerated from pass and fail examples on https://mholt.github.io/json-to-go/
-// then combined (added .Fail and .Input.Failures)
-type WGExample struct {
-	Title string `json:"title"`
-	Fail  bool   `json:"fail"`
-	Input struct {
-		Plaintext string `json:"plaintext"`
-		Sign      struct {
-			Protected struct {
-				Ctyp int `json:"ctyp"`
-			} `json:"protected"`
-			Signers []struct {
-				Key struct {
-					Kty string `json:"kty"`
-					Kid string `json:"kid"`
-					Crv string `json:"crv"`
-					X   string `json:"x"`
-					Y   string `json:"y"`
-					D   string `json:"d"`
-				} `json:"key"`
-				Unprotected struct {
-					Kid string `json:"kid"`
-				} `json:"unprotected"`
-				Protected struct {
-					Alg string `json:"alg"`
-				} `json:"protected"`
-				External string `json:"external"`
-			} `json:"signers"`
-		} `json:"sign"`
-		Failures struct {
-			ChangeCBORTag int `json:"ChangeCBORTag"`
-		} `json:"failures"`
-		RngDescription string `json:"rng_description"`
-	} `json:"input"`
-	Intermediates struct {
-		Signers []struct {
-			ToBeSignHex string `json:"ToBeSign_hex"`
-		} `json:"signers"`
-	} `json:"intermediates"`
-	Output struct {
-		CborDiag string `json:"cbor_diag"`
-		Cbor     string `json:"cbor"`
-	} `json:"output"`
-}
-
 func HexToBytesOrDie(s string) []byte {
 	b, err := hex.DecodeString(s)
 	if err != nil {
 		panic(fmt.Sprintf("Error decoding hex string: %s", err))
 	}
 	return b
 }
-
-func LoadPrivateKey(example *WGExample) (key ecdsa.PrivateKey) {
-	if len(example.Input.Sign.Signers) != 1 {
-		panic(fmt.Sprintf("Not one signer in example: %s", example.Title))
-	}
-	signerInput := example.Input.Sign.Signers[0]
-
-	var curve elliptic.Curve
-	switch signerInput.Key.Crv {
-	case "P-256":
-		curve = elliptic.P256()
-	case "P-384":
-		curve = elliptic.P384()
-	case "P-521":
-		curve = elliptic.P521()
-	default:
-		log.Fatalf("Can't load Private key with curve type: %s", signerInput.Key.Crv)
-	}
-
-	return ecdsa.PrivateKey{
-		PublicKey: ecdsa.PublicKey{
-			Curve: curve,
-			X:     FromBase64Int(signerInput.Key.X),
-			Y:     FromBase64Int(signerInput.Key.Y),
-		},
-		D: FromBase64Int(signerInput.Key.D),
-	}
-}
-
-func LoadExample(path string) WGExample {
-	var content, err = ioutil.ReadFile(path)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	var example WGExample
-	err = json.Unmarshal(content, &example)
-	if err != nil {
-		log.Fatal(err)
-	}
-	return example
-}
-
-// LoadExamples
-func LoadExamples(path string) []WGExample {
-	files, err := ioutil.ReadDir(path)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	examples := make([]WGExample, 0)
-	for _, file := range files {
-		if file.IsDir() {
-			continue
-		}
-
-		var content, err = ioutil.ReadFile(filepath.Join(path, file.Name()))
-		if err != nil {
-			log.Fatal(err)
-		}
-
-		var example WGExample
-		err = json.Unmarshal(content, &example)
-		if err != nil {
-			log.Fatal(err)
-		}
-
-		examples = append(examples, example)
-	}
-	return examples
-}