java和ios联调RSA加签验。亲测可用 public static String pkcs1Topkcs8(String validKey) { // validKey = "MIGJAoGBAJzzXZJN+mMuFwUhPba10Ayn/GRameR57fH3LW8W76RF33vKyL3hAxXhY0QrFDu+zsVCKXRZg35ieDng2Ugg5mmdqH9gMEr0/LaLkcGXPHJzCINniAf7pciP2NjitLIeR+d6IVuxtxrNcTCn