Java Code Examples for org.bouncycastle.asn1.pkcs.PrivateKeyInfo#parsePrivateKey()
The following examples show how to use
org.bouncycastle.asn1.pkcs.PrivateKeyInfo#parsePrivateKey() .
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Example 1
Source File: Ed25519PrivateKey.java From hedera-sdk-java with Apache License 2.0 | 6 votes |
private static Ed25519PrivateKey fromPrivateKeyInfo(PrivateKeyInfo privateKeyInfo) { Ed25519PrivateKeyParameters privKeyParams; Ed25519PublicKeyParameters pubKeyParams = null; try { ASN1Encodable privateKey = privateKeyInfo.parsePrivateKey(); privKeyParams = new Ed25519PrivateKeyParameters(((ASN1OctetString) privateKey).getOctets(), 0); ASN1BitString pubKeyData = privateKeyInfo.getPublicKeyData(); if (pubKeyData != null) { pubKeyParams = new Ed25519PublicKeyParameters(pubKeyData.getOctets(), 0); } } catch (IOException e) { throw new BadKeyException(e); } if (pubKeyParams != null) { return new Ed25519PrivateKey(privKeyParams, pubKeyParams); } else { return new Ed25519PrivateKey(privKeyParams); } }
Example 2
Source File: TlsHelper.java From nifi with Apache License 2.0 | 6 votes |
/** * Returns a {@link PEMKeyPair} object with direct access to the public and private keys given a PKCS #8 private key. * * @param privateKeyInfo the PKCS #8 private key info * @return the PKCS #1 public and private key pair * @throws IOException if there is an error converting the key pair */ private static PEMKeyPair convertPrivateKeyFromPKCS8ToPKCS1(PrivateKeyInfo privateKeyInfo) throws IOException { // Parse the key wrapping to determine the internal key structure ASN1Encodable asn1PrivateKey = privateKeyInfo.parsePrivateKey(); // Convert the parsed key to an RSA private key RSAPrivateKey keyStruct = RSAPrivateKey.getInstance(asn1PrivateKey); // Create the RSA public key from the modulus and exponent RSAPublicKey pubSpec = new RSAPublicKey( keyStruct.getModulus(), keyStruct.getPublicExponent()); // Create an algorithm identifier for forming the key pair AlgorithmIdentifier algId = new AlgorithmIdentifier(PKCSObjectIdentifiers.rsaEncryption, DERNull.INSTANCE); if (isVerbose()) { logger.info("Converted private key from PKCS #8 to PKCS #1 RSA private key"); } // Create the key pair container return new PEMKeyPair(new SubjectPublicKeyInfo(algId, pubSpec), new PrivateKeyInfo(algId, keyStruct)); }
Example 3
Source File: BCECUtil.java From littleca with Apache License 2.0 | 5 votes |
/** * openssl d2i_ECPrivateKey函数要求的DER编码的私钥也是PKCS1标准的, * 这个工具函数的主要目的就是为了能生成一个openssl可以“识别”的ECC私钥 * * @param priKey * @param pubKey * @return * @throws IOException */ public static byte[] convertEcPriKeyToPkcs1Der(ECPrivateKeyParameters priKey, ECPublicKeyParameters pubKey) throws IOException { byte[] pkcs8Bytes = convertEcPriKeyToPkcs8Der(priKey, pubKey); PrivateKeyInfo pki = PrivateKeyInfo.getInstance(pkcs8Bytes); ASN1Encodable encodable = pki.parsePrivateKey(); ASN1Primitive primitive = encodable.toASN1Primitive(); byte[] pkcs1Bytes = primitive.getEncoded(); return pkcs1Bytes; }
Example 4
Source File: KeyUtils.java From vespa with Apache License 2.0 | 5 votes |
private static byte[] getPkcs1Bytes(PrivateKey privateKey) throws IOException{ byte[] privBytes = privateKey.getEncoded(); PrivateKeyInfo pkInfo = PrivateKeyInfo.getInstance(privBytes); ASN1Encodable encodable = pkInfo.parsePrivateKey(); ASN1Primitive primitive = encodable.toASN1Primitive(); return primitive.getEncoded(); }
Example 5
Source File: BCECUtil.java From gmhelper with Apache License 2.0 | 3 votes |
/** * 将ECC私钥转换为SEC1标准的字节流 * openssl d2i_ECPrivateKey函数要求的DER编码的私钥也是SEC1标准的, * 这个工具函数的主要目的就是为了能生成一个openssl可以直接“识别”的ECC私钥. * 相对RSA私钥的PKCS1标准,ECC私钥的标准为SEC1 * * @param priKey * @param pubKey * @return * @throws IOException */ public static byte[] convertECPrivateKeyToSEC1( ECPrivateKeyParameters priKey, ECPublicKeyParameters pubKey) throws IOException { byte[] pkcs8Bytes = convertECPrivateKeyToPKCS8(priKey, pubKey); PrivateKeyInfo pki = PrivateKeyInfo.getInstance(pkcs8Bytes); ASN1Encodable encodable = pki.parsePrivateKey(); ASN1Primitive primitive = encodable.toASN1Primitive(); byte[] sec1Bytes = primitive.getEncoded(); return sec1Bytes; }
Example 6
Source File: BCECUtil.java From jiguang-java-client-common with MIT License | 3 votes |
/** * 将ECC私钥转换为SEC1标准的字节流 * openssl d2i_ECPrivateKey函数要求的DER编码的私钥也是SEC1标准的, * 这个工具函数的主要目的就是为了能生成一个openssl可以直接“识别”的ECC私钥. * 相对RSA私钥的PKCS1标准,ECC私钥的标准为SEC1 * * @param priKey * @param pubKey * @return * @throws IOException */ public static byte[] convertECPrivateKeyToSEC1(ECPrivateKeyParameters priKey, ECPublicKeyParameters pubKey) throws IOException { byte[] pkcs8Bytes = convertECPrivateKeyToPKCS8(priKey, pubKey); PrivateKeyInfo pki = PrivateKeyInfo.getInstance(pkcs8Bytes); ASN1Encodable encodable = pki.parsePrivateKey(); ASN1Primitive primitive = encodable.toASN1Primitive(); byte[] sec1Bytes = primitive.getEncoded(); return sec1Bytes; }
Example 7
Source File: EccUtil.java From keystore-explorer with GNU General Public License v3.0 | 3 votes |
/** * Converts PKCS#8 EC private key (RFC 5208 ASN.1 PrivateKeyInfo structure) to "traditional" OpenSSL * ASN.1 structure ECPrivateKey from RFC 5915. As ECPrivateKey is already in the PrivateKey field of PrivateKeyInfo, * this must only be extracted: * * SEQUENCE { * INTEGER 0 * SEQUENCE { * OBJECT IDENTIFIER ecPublicKey (1 2 840 10045 2 1) * OBJECT IDENTIFIER prime256v1 (1 2 840 10045 3 1 7) * } * OCTET STRING, encapsulates { * SEQUENCE { * INTEGER 1 * OCTET STRING * 17 12 CA 42 16 79 1B 45 ...B.y.E * ... * C8 B2 66 0A E5 60 50 0B * [0] { * OBJECT IDENTIFIER prime256v1 (1 2 840 10045 3 1 7) * } * [1] { * BIT STRING * 04 61 C0 08 B4 89 A0 50 .a.....P * ... * AE D5 ED C3 4D 0E 47 91 ....M.G. * 89 . * } * } * } * } * * @param ecPrivateKey An EC key * @return Object holding ASN1 ECPrivateKey structure * @throws IOException When ECPrivateKey structure in PrivateKeyInfo's PrivateKey field cannot be parsed */ public static org.bouncycastle.asn1.sec.ECPrivateKey convertToECPrivateKeyStructure(ECPrivateKey ecPrivateKey) throws IOException { byte[] encoded = ecPrivateKey.getEncoded(); PrivateKeyInfo privateKeyInfo = PrivateKeyInfo.getInstance(encoded); ASN1Encodable privateKey = privateKeyInfo.parsePrivateKey(); return org.bouncycastle.asn1.sec.ECPrivateKey.getInstance(privateKey); }