增加vendor

vendor/github.com/go-pay/gopay/pkg/aes/aes_ecb.go

@@ -0,0 +1,105 @@
+package aes
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"errors"
+)
+
+// AES-ECB 加密数据
+func ECBEncrypt(originData, key []byte) ([]byte, error) {
+	return ecbEncrypt(originData, key)
+}
+
+// AES-ECB 解密数据
+func ECBDecrypt(secretData, key []byte) ([]byte, error) {
+	return ecbDecrypt(secretData, key)
+}
+
+func ecbEncrypt(originData, key []byte) ([]byte, error) {
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return nil, err
+	}
+	originData = PKCS7Padding(originData, block.BlockSize())
+	secretData := make([]byte, len(originData))
+	blockMode := newECBEncrypter(block)
+	blockMode.CryptBlocks(secretData, originData)
+	return secretData, nil
+}
+
+func ecbDecrypt(secretData, key []byte) (originByte []byte, err error) {
+	block, err := aes.NewCipher(key)
+	if err != nil {
+		return nil, err
+	}
+	blockMode := newECBDecrypter(block)
+	originByte = make([]byte, len(secretData))
+	blockMode.CryptBlocks(originByte, secretData)
+	if len(originByte) == 0 {
+		return nil, errors.New("blockMode.CryptBlocks error")
+	}
+	return PKCS7UnPadding(originByte), nil
+}
+
+// ===========
+
+type ecb struct {
+	b         cipher.Block
+	blockSize int
+}
+
+func newECB(b cipher.Block) *ecb {
+	return &ecb{
+		b:         b,
+		blockSize: b.BlockSize(),
+	}
+}
+
+type ecbEncrypter ecb
+
+// newECBEncrypter returns a BlockMode which encrypts in electronic code book
+// mode, using the given Block.
+func newECBEncrypter(b cipher.Block) cipher.BlockMode {
+	return (*ecbEncrypter)(newECB(b))
+}
+
+func (x *ecbEncrypter) BlockSize() int { return x.blockSize }
+
+func (x *ecbEncrypter) CryptBlocks(dst, src []byte) {
+	if len(src)%x.blockSize != 0 {
+		panic("crypto/cipher: input not full blocks")
+	}
+	if len(dst) < len(src) {
+		panic("crypto/cipher: output smaller than input")
+	}
+	for len(src) > 0 {
+		x.b.Encrypt(dst, src[:x.blockSize])
+		src = src[x.blockSize:]
+		dst = dst[x.blockSize:]
+	}
+}
+
+type ecbDecrypter ecb
+
+// newECBDecrypter returns a BlockMode which decrypts in electronic code book
+// mode, using the given Block.
+func newECBDecrypter(b cipher.Block) cipher.BlockMode {
+	return (*ecbDecrypter)(newECB(b))
+}
+
+func (x *ecbDecrypter) BlockSize() int { return x.blockSize }
+
+func (x *ecbDecrypter) CryptBlocks(dst, src []byte) {
+	if len(src)%x.blockSize != 0 {
+		panic("crypto/cipher: input not full blocks")
+	}
+	if len(dst) < len(src) {
+		panic("crypto/cipher: output smaller than input")
+	}
+	for len(src) > 0 {
+		x.b.Decrypt(dst, src[:x.blockSize])
+		src = src[x.blockSize:]
+		dst = dst[x.blockSize:]
+	}
+}