package utils import ( "bytes" "crypto/aes" "crypto/cipher" "crypto/sha1" "fmt" "hack-browser-data/log" "os/exec" "path/filepath" "github.com/forgoer/openssl" "golang.org/x/crypto/pbkdf2" ) const ( macChromeDir = "/Users/*/Library/Application Support/Google/Chrome/*/" ) var ( iv = []byte{32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32} command = []string{"security", "find-generic-password", "-wa", "Chrome"} chromeSalt = []byte("saltysalt") chromeKey []byte chromePass []byte ) func GetDBPath(dbName string) string { s, err := filepath.Glob(macChromeDir + dbName) if err != nil && len(s) == 0 { panic(err) } return s[0] } func InitChromeKey() { var ( cmd *exec.Cmd stdout, stderr bytes.Buffer ) cmd = exec.Command(command[0], command[1], command[2], command[3]) cmd.Stdout = &stdout cmd.Stderr = &stderr err := cmd.Run() if err != nil { log.Println(err) panic(err) } if stderr.Len() > 0 { panic(stderr.String()) } // replace /n temp := stdout.Bytes() chromePass = temp[:len(temp)-1] chromeKey = pbkdf2.Key(chromePass, chromeSalt, 1003, 16, sha1.New) } func DecryptPass(chromePass []byte) []byte { l := pbkdf2.Key(chromePass, chromeSalt, 1003, 16, sha1.New) return l } func Aes128CBCDecrypt(encryptPass []byte) string { src, err := openssl.AesCBCDecrypt(encryptPass, chromeKey, iv, openssl.PKCS5_PADDING) if err != nil { log.Println(err) } return string(src) } func AesDecrypt(ciphertext []byte, key, iv []byte) ([]byte, error) { block, err := aes.NewCipher(key) if err != nil { return nil, err } blockMode := cipher.NewCBCDecrypter(block, iv) origData := make([]byte, len(ciphertext)) fmt.Println(blockMode.BlockSize()) //func (x *cbcDecrypter) CryptBlocks(dst, src []byte) { // if len(src)%x.blockSize != 0 { // panic("crypto/cipher: input not full blocks") blockMode.CryptBlocks(origData, ciphertext) origData = PKCS5UnPadding(origData) return origData, nil } func ZeroPadding(ciphertext []byte, blockSize int) []byte { padding := blockSize - len(ciphertext)%blockSize padtext := bytes.Repeat([]byte{0}, padding) return append(ciphertext, padtext...) } func ZeroUnPadding(origData []byte) []byte { length := len(origData) unpadding := int(origData[length-1]) return origData[:(length - unpadding)] } func PKCS5Padding(ciphertext []byte, blockSize int) []byte { padding := blockSize - len(ciphertext)%blockSize padtext := bytes.Repeat([]byte{byte(padding)}, padding) return append(ciphertext, padtext...) } func PKCS5UnPadding(origData []byte) []byte { length := len(origData) // 去掉最后一个字节 unpadding 次 unpadding := int(origData[length-1]) return origData[:(length - unpadding)] } func PKCS7Padding(ciphertext []byte, blockSize int) []byte { padding := blockSize - len(ciphertext)%blockSize padtext := bytes.Repeat([]byte{byte(padding)}, padding) return append(ciphertext, padtext...) } func PKCS7UnPadding(origData []byte) []byte { length := len(origData) unpadding := int(origData[length-1]) return origData[:(length - unpadding)] }