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static {
try {
SIGNATURE = Signature.getInstance("SHA1withRSA", "BC");
} catch (NoSuchAlgorithmException | NoSuchPaddingException | NoSuchProviderException e) {
throw Throwables.propagate(e);
}
}
public static String getSignature(Map<String, String> map, String pfxPath, String pfxPasswd) {
try {
SIGNATURE.initSign(X509Certs.getPrivateKey(pfxPath, pfxPasswd).getPrivateKey());
SIGNATURE.update(DigestUtils.sha1Hex(buildReqParams(map, false)).getBytes(Charsets.UTF_8));
return Base64.encodeBase64String(SIGNATURE.sign()).replaceAll("\r|\n", "");
} catch (Throwable e) {
throw Throwables.propagate(e);
}
}
public static void verifySign(Map<String, String> map, String certPath) throws GatewayFrontException {
try {
byte[] sign = Base64.decodeBase64(map.get("signature").getBytes(Charsets.UTF_8));
map.remove("signature");
SIGNATURE.initVerify(X509Certs.getVerifyPublicKey(certPath));
SIGNATURE.update(DigestUtils.sha1Hex(ExPayUtil.buildReqParams(map, false)).getBytes(Charsets.UTF_8));
Preconditions.checkState(SIGNATURE.verify(sign), ExPayConstant.VERIFY_SIGNATURE_FAILUE);
} catch (Exception e) {
throw Throwables.propagate(e);
}
}