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Metadata PEM support

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MaxKey
2022-02-18 15:21:29 +08:00
parent 743037b6cc
commit ee8b7536e1
5 changed files with 152 additions and 38 deletions
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39
maxkey-common/src/main/java/org/maxkey/crypto/RSAUtils.java
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@@ -25,6 +25,7 @@ import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;
@@ -38,6 +39,8 @@ public final class RSAUtils {
public static final String PUBLIC_KEY = "RSAPublicKey";
public static final String PRIVATE_KEY = "RSAPrivateKey";
public static final int BASE64ARRAY_SIZE = 64;
public static Map<String, Object> genKeyPair() throws Exception {
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(KEY_ALGORTHM);
@@ -173,5 +176,41 @@ public final class RSAUtils {
return cipher.doFinal(data);
}
public static String getPublicKeyPEM(byte[] encoded) {
StringBuffer base64String =
new StringBuffer("");
base64String.append("-----BEGIN PUBLIC KEY-----").append("\n");
base64String.append(getBase64PEM(encoded));
base64String.append("-----END PUBLIC KEY-------").append("\n");
return base64String.toString();
}
public static String getPrivateKeyPEM(byte[] encoded) {
StringBuffer base64String =
new StringBuffer("");
base64String.append("-----BEGIN RSA PRIVATE KEY-----").append("\n");
base64String.append(getBase64PEM(encoded));
base64String.append("-----END RSA PRIVATE KEY-------").append("\n");
return base64String.toString();
}
public static String getBase64PEM(byte[] encoded) {
String base64String = Base64.getEncoder().encodeToString(encoded);
StringBuffer base64ArrayString = new StringBuffer("");
int startPosition = 0;
int endPosition = BASE64ARRAY_SIZE;
while(endPosition < base64String.length()) {
base64ArrayString.append(base64String.substring(startPosition, endPosition)).append("\n");
startPosition = endPosition;
endPosition = endPosition + BASE64ARRAY_SIZE;
}
if(startPosition < base64String.length()) {
base64ArrayString.append(base64String.substring(startPosition)).append("\n");
}
return base64ArrayString.toString();
}
}

54
maxkey-common/src/main/java/org/maxkey/crypto/jose/keystore/JWKSetKeyStore.java
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@@ -18,12 +18,20 @@ package org.maxkey.crypto.jose.keystore;
import com.google.common.base.Charsets;
import com.google.common.io.CharStreams;
import com.nimbusds.jose.JOSEException;
import com.nimbusds.jose.jwk.JWK;
import com.nimbusds.jose.jwk.JWKSet;
import com.nimbusds.jose.jwk.RSAKey;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.PublicKey;
import java.text.ParseException;
import java.util.List;
import org.apache.commons.lang3.StringUtils;
import org.maxkey.crypto.RSAUtils;
import org.maxkey.pretty.PrettyFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.Resource;
@@ -131,5 +139,49 @@ public class JWKSetKeyStore {
}
return jwkSet.getKeys();
}
public String toString(String mediaType){
StringBuffer metaDataString = new StringBuffer("");
if(StringUtils.isNotBlank(mediaType) && mediaType.equalsIgnoreCase("XML")) {
metaDataString.append("<RSAKeyValue>").append("\n");
for(JWK jwk : jwkSet.getKeys()) {
RSAKey rsaKey = jwk.toRSAKey();
PublicKey publicKey;
try {
publicKey = rsaKey.toPublicKey();
metaDataString.append("<Modulus>").append("\n");
metaDataString.append(RSAUtils.getPublicKeyPEM(publicKey.getEncoded()));
metaDataString.append("</Modulus>").append("\n");
//keyID
metaDataString.append("<Algorithm>");
metaDataString.append(rsaKey.getAlgorithm());
metaDataString.append("</Algorithm>").append("\n");
metaDataString.append("<KeyID>");
metaDataString.append(rsaKey.getKeyID());
metaDataString.append("</KeyID>").append("\n");
metaDataString.append("<KeyType>");
metaDataString.append(rsaKey.getKeyType());
metaDataString.append("</KeyType>").append("\n");
metaDataString.append("<Format>");
metaDataString.append(publicKey.getFormat());
metaDataString.append("</Format>");
metaDataString.append("<PublicExponent>");
metaDataString.append(rsaKey.getPublicExponent());
metaDataString.append("</PublicExponent>").append("\n");
} catch (JOSEException e) {
_logger.error("JOSEException ", mediaType);
}
}
metaDataString.append("</RSAKeyValue>");
}else {
metaDataString.append(PrettyFactory.getJsonPretty().format(
jwkSet.toPublicJWKSet().toString()));
}
return metaDataString.toString();
}
}