Android获取sha1

代码获取sha1

    private fun getSHA1() {
        val packageInfo = packageManager.getPackageInfo(packageName, PackageManager.GET_SIGNATURES)
        val signatures: Array<Signature> = packageInfo.signatures
        val cert = signatures[0].toByteArray()
        val md = MessageDigest.getInstance("SHA1")
        val sha1 = md.digest(cert)
        val hexDigest: String = byte2HexFormatted(sha1)
        Log.d("SHA1:", hexDigest)
    }

///FF:48:35:A6:51:4D:74:EB:C7:39:21:C6:36:F7:76:C1:11:7B:A6:0E
    private fun byte2HexFormatted(arr: ByteArray): String {
        val str = StringBuilder(arr.size * 2)
        for (i in arr.indices) {
            var h = Integer.toHexString(arr[i].toInt())
            val l = h.length
            if (l == 1) {
                h = "0$h"
            }
            if (l > 2) {
                h = h.substring(l - 2, l)
            }
            str.append(h.toUpperCase())
            if (i < arr.size - 1) {
                str.append(':')
            }
        }
        return str.toString()
    }


///ff4835a6514d74ebc73921c636f776c1117ba60e
fun byte2hex(src: ByteArray): String {
    val stringBuilder = StringBuilder("")
    for (i in 0 until src.size) {
        val v = src[i].toInt() and 0xFF
        val hv = Integer.toHexString(v)
        if (hv.length < 2) {
            stringBuilder.append(0)
        }
        stringBuilder.append(hv)
    }
    return stringBuilder.toString()
}

命令获取sha1
iMES_APP.jks 是 你的签名文件

keytool -v -list -keystore iMES_APP.jks