In openssl config syntax this would look as follows: nameConstraints=critical,permitted;DNS:.example.com, permitted;DNS:.otherexample.com. A CA created with this constraint (which must be marked as critical) can only sign certificates below example.com or otherexample.com. This …Mar 18, 2021 · Database constraints help us keep our data clean and orderly. Let’s look at the most common database constraints and how to conveniently define them in Vertabelo. It’s a common practice to set rules for the data in a database. Thanks to these rules, you can avoid incorrect data in a column, e.g. a text string in an Age column or a NULL in a ...Introduction In this page you can find the example usage for org.bouncycastle.asn1.x509 Extension nameConstraints. Prototype ASN1ObjectIdentifier nameConstraintsKey usage is a multi valued extension consisting of a list of names of the permitted key usages. The supported names are: digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment, keyAgreement, keyCertSign, cRLSign, encipherOnly and decipherOnly. Examples: keyUsage=digitalSignature, nonRepudiation.One of my tests checks that certificate chains with violated X.509 nameConstraints are not allowed. (Note that I don't use nameConstraints, and I don't care if chains with satisfied nameConstraints validate or not, I just want to fail chains with violated constraints. This is partly a box-checking exercise on my part, since the PKIX RFC5280 has ...Sponsor: Your company here, and a link to your site. Click to find out more. x509v3_config.5ossl - Man Page. X509 V3 certificate extension configuration formatName Constraints. Throughout this document, and elsewhere in the documentation, using uppercase text signifies DDL keywords (such as STRING, CREATE TABLE, and so on). These keywords are actually case-insensitive and you can enter them in lowercase characters. However, all DDL keywords shown here are reserved words.FROM PkiPmiExternalDataTypes. {joint-iso-itu-t ds(5) module(1) pkiPmiExternalDataTypes(40) 9} WITH SUCCESSORS ; -- Unless explicitly noted otherwise, there is no significance to the ordering. -- of components of a SEQUENCE OF construct in this Specification. -- public-key certificate and CRL extensions. authorityKeyIdentifier EXTENSION ...Saved searches Use saved searches to filter your results more quicklyA Web PKI x509 certificate primer. In This Article. X.509 (in this document referred as x509) is an ITU standard to describe certificates. This article provides an overview of what these are and how they work. Three versions of the x509 standard have been defined for web-pki. In this document we will be referring to the current standard in use ...A primary key is a column or a set of columns in a table that uniquely identifies each row. It ensures data integrity by preventing duplicate records and null values. A primary key can be defined on a single column (simple primary key) or multiple columns (composite primary key). Creating a primary key automatically creates a unique index on ...With some research and planning, this couple pulled off an luxurious one-month trip to Dubai and Thailand — including first-class flights on Emirates and Singapore Airlines. Editor...Typically the application will contain an option to point to an extension section. Each line of the extension section takes the form: extension_name= [critical,] extension_options. If critical is present then the extension will be critical. The format of extension_options depends on the value of extension_name .This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is. Learn more about Bluesky at bsky.socialand atproto.com. Post. aeris. aeris.eu.org. did:plc:z5wqufpi3akdylu2sqyzryqr. Autre blague x509. Je tente de jouer avec du nameConstraints.The hash specified is of an intermediate CA, and that intermediate CA has a nameConstraints extension with one or more directoryNames in the permittedSubtrees of that extension. The hash specified is of an intermediate CA, that intermediate CA contains one or more organizationName (O) attribute in the subject, and the server certificate's has ...This journal provides a common forum for the many disciplines interested in constraint programming and constraint satisfaction and optimization, and the many application domains in which constraint technology is employed. It covers all aspects of computing with constraints, including: theory and practice, algorithms and systems, reasoning and ...Introduction In this page you can find the example usage for org.bouncycastle.asn1.x509 Extension nameConstraints. Prototype ASN1ObjectIdentifier nameConstraintsNippon Telegraph and Telephone is reporting earnings from the last quarter on February 5.Wall Street predict expect Nippon Telegraph and Telephone... On February 5, Nippon Telegrap...CVE-2014-0363. The ServerTrustManager component in the Ignite Realtime Smack XMPP API before 4.0.0-rc1 does not verify basicConstraints and nameConstraints in X.509 certificate chains from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate chain. The ...This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.This is the code I am using to show my constraints. SELECT constraint_name, constraint_type, search_condition. FROM USER_CONSTRAINTS. WHERE table_name = 'Teams'; I am a rookie so I want to make sure I understand what is wrong. I have tried to drop the table thinking that my constraints did not take - I did not, …OID 2.5.29.35 authorityKeyIdentifier database reference. ... parent 2.5.29 (certificateExtension) node code 35 node name authorityKeyIdentifier dot oid 2.5.29.35 asn1 oidTo verify this flag, you can check the Certificate Template console and select the "Supply in the request" radio option under the Subject Name tab. Alternatively, you can use a PowerShell command to retrieve templates from AD and check if the flag is set for the certificate. To manage certificate issuance, consider using the recommended ...Synonyms for CONSTRAINT: restraint, discipline, repression, inhibition, suppression, composure, discretion, self-control; Antonyms of CONSTRAINT: incontinence ...CAs can constrain themselves with nameConstraints; more commonly, a trusted CA would charge $$$ for a corporation to be able to issue their own certs without needing to go up, because the corp has scaling issues getting their own root cert onto every client device in a trusted manner, across all the vendors and contractors and the like; so ...Name Constraints extension is defined and described in RFC 5280 §4.2.1.10. Extension presence in an end-entity certificate does not have any effect and is applied only to CA certificates that issue certificates to end …In this article. Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric Returns one row for each CHECK constraint in the current database. This information schema view returns information …Wraps either an existing OutputStream or an existing Writerand provides convenience methods for prinSynonyms for CONSTRAINT: restraint, discipline, repression, inhibition, suppression, composure, discretion, self-control; Antonyms of CONSTRAINT: incontinence ...There are five different types of SQL constraints. They are: Primary Key Constraint: this ensures all rows have a unique value and cannot be NULL, often used as an identifier of a table’s row. Foreign Key Constraint: this ensures that values in a column (or several columns) match values in another table’s column/s.Mar 4, 2024 · The triple constraints of project management. The triple constraints of project management—also known as the project management triangle or the iron triangle—are scope, cost, and time. You’ll need to balance these three elements in every project, and doing so can be challenging because they all affect one another.... name constraints. What I like to do is to go to “tools->options–>keyboard” and map an unused short-cut to the command “Tools.NameConstraints”, I used “ctrl+ ...Dec 12, 2011 · The short answer is no. The longer answer is about meaning of the code first. Code-first means you are not interested in the database - you just let EF to create some and that is all what you need. It allows you defining names for tables and columns (it is useful especially when working with existing databases) but that is all.The quit claim deed's primary characteristic is the lack of guarantees and rights for the grantee. All that the quit claim deed says is that if the grantor has any rights to the pr...Node property existence constraints ensure that a property exists for all nodes with a specific label. Queries that try to create new nodes of the specified label, but without this property, will fail. The same is true for queries that try to remove the mandatory property. For more information, see examples of node property existence constraints.Good Morning Traders! In today's Market Clubhouse Morning Memo, our focus is on SPY, NVDA, AMZN, META and  TSLA. Our proprietary for... Good Morning Traders! In today...NameConstraints represents the X509 Name constraints extension and defines a names space within which all subject names in subsequent certificates in a certificate path must be located. The name constraints extension must be used only in a CA.Mar 13, 2024 · Legal and regulatory constraints: laws design teams must follow. Organizational constraints: culture, structure, policies, bureaucracy. Self-imposed constraints: each designer’s workflow and creative decision-making. Talent constraints: designer skills and experience and professional shortcomings.NASA's rover Spirit landed successfully on Mars over the weekend and sent a message to Earth, confirming a signal lock that allows the transfer of incredible data. Learn all about ...nameConstraints - 名前制約をチェックするために使用されるNameConstraints拡張情報をASN.1 DERで符号化した値を含むバイト配列。 拡張情報の値だけが含まれ、OIDやクリティカルの程度を表すフラグは含まれない。 このパラメータを無視するにはnullを指定する 例外:+ constraints_line = "\n".join("nameConstraints = permitted;%s" % item + for item in alt_names.split(",")) but afaict that didn't work (and multiple comma-separated san formatted hosts on the same line didn't seem to parse). @gsnedders The way you are supposed to do it is set up the server config to use OpenSSL and have a duration of much ...The name of the DEFAULT constraint is stored in the column name of the view sys.default_constraints, but the value is in the column definition of the view sys.objects.Joining the views sys.default_constraints and sys.objects allows us to select only the data for a given table (in our example, the table student) with using WHERE …Description. Envoy is an open source edge and service proxy, designed for cloud-native applications. The default_validator.cc implementation used to implement the default certificate validation routines has a "type confusion" bug when processing subjectAltNames. This processing allows, for example, an rfc822Name or uniformResourceIndicator to ...NameConstraints public NameConstraints(java.util.Vector permitted, java.util.Vector excluded) Constructor from a given details. permitted and excluded are Vectors of GeneralSubtree objects. Parameters: permitted - Permitted subtrees excluded - Excludes subtreesOpenSSL configuration examples. You can use the following example files with the openssl command if you want to avoid entering the values for each parameter required when creating certificates.. Note: You must update the configuration files with the actual values for your environment. For more information, see Creating CA signed certificates.. The sample configuration file to generate the Root ...NameConstraints.<init> Code Index Add Tabnine to your IDE (free) How to use. org.apache.harmony.security.x509.NameConstraints. constructor. Best Java code snippets using org.apache.harmony.security.x509.NameConstraints.<init> (Showing top 7 results out of 315) origin: robovm/robovmUSER_CONSTRAINTS describes constraint definitions on tables in the current user's schema. Text of search condition for a check constraint. This column returns the correct value only when the row originates from the current container. Text of search condition for a check constraint. This column may truncate the search condition.Basics: Name Constraints. Name restrictions are a part of the X.509 standard and in the RFC 5280 described. They are a tool that can be used within the qualified subordination can be used to control the validity range of a certification authority certificate in a fine-grained manner.Update 2023-09-17: Well, hello Hacker News!() I also added nameConstraints to the cacert.sh to make this even better than beforeYay, constructive feedback! Problem statement. Anyone wanting their own X509 cert these days has free-beer alternatives like ZeroSSL or Let's Encrypt.10. There are significant benefits of giving explicit names to your constraints. Just a few examples: You can drop them by name. If you use conventions when choosing the name, then you can collect them from meta tables and process them programmatically. answered May 5, 2011 at 12:53. bpgergo.X509v3 Name Constraints: critical. Permitted: DNS:.mytestdomain.local. DNS:mytestdomain.local. I've issued a certificate for another domain anothertestdomain.local. Both the Common Name and Subject Alternative Names are set to that domain. When testing validation for that certificate, OpenSSL and Firefox both fail …The Name Constraints extension indicates to the relying party what namespaces are acceptable for the various hierarchical name forms such as DN, DNS names, URL, IP address, RFC 822 names, UPN, etc. The extension is only valid for a CA certificate. Expand Your PKI Visibility.Nov 22, 2018 · In MySQL, you don't need to use the word "constraint". So, the following should work in both Oracle and MySQL: create table penerbit(. id_penerbit char(3) PRIMARY KEY, nama_penerbit varchar(100) NOT NULL. ); One note: Oracle prefers varchar2() over varchar(). If you want to name the constraints, you can add a separate declaration in both ...I prefer option #2, as it's simple to understand, simple to implement across different stacks. Option #1, you need to define mutually exclusive Name Constraints for the two services, possibly makes certificate issuance more difficult (additional checks need to be done before issuing cat/dog client certs), ensure the certificate chain validation library you are using …Batasan nama dinyatakan sebagai subpohon yang diizinkan, subpohon yang dikecualikan, atau keduanya.. Subpohon yang diizinkan dan dikecualikan berisi pola yang cocok, yang mungkin kosong. Jika subpohon permitted kosong, maka semua nama dalam formulir itu ditolak. Demikian pula, jika subpohon excluded kosong, maka semua nama dalam formulir itu diperbolehkan.The column table_name gives you the name of the table in which the constraint is defined, and the column constraint_name contains the name of the constraint. The column constraint_type indicates the type of constraint: CHECK for the constraint check. In our example, you can see the constraint named PRIMARY for the primary key in the student table.Mar 18, 2021 · Database constraints help us keep our data clean and orderly. Let’s look at the most common database constraints and how to conveniently define them in Vertabelo. It’s a common practice to set rules for the data in a database. Thanks to these rules, you can avoid incorrect data in a column, e.g. a text string in an Age column or a NULL in a ...Key usage is a multi-valued extension consisting of a list of names of the permitted key usages. The defined values are: digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment, keyAgreement, keyCertSign, cRLSign, encipherOnly, and decipherOnly. Examples: keyUsage = digitalSignature, nonRepudiation.TrustAnchor (X509Certificate trustedCert, byte[] nameConstraints) Creates an instance of TrustAnchor with the specified X509Certificate and optional name constraints, which are intended to be used as additional constraints when validating an X.509 certification path.The one using nameConstraints forces a complying client to fail if the DNS is not *.example.com, but the certificate will be created. In your example, the certificate won't be created as it will fail before signing the certificate, showing the message in the template to the client.One powerful (but often neglected) feature of the TLS specification is the Name Constraints extension. This is an extension that can be put on CA certificates which whitelists and/or blacklists the domains and IPs for which that CA or any sub-CAs are allowed to create certificates for. For example, suppose you trust the Acme Corp Root …parent 2.5.29 (certificateExtension) node code 32 node name certificatePolicies dot oid 2.5.29.32 asn1 oid {joint-iso-itu-t(2) ds(5) certificateExtension(29) certificatePolicies(32)}Impact. This may allow for monster-in-the-middle attacks for Envoy users that rely on the X.509 nameConstraints extension to restrict the capabilities for CAs. This includes users who use common, commercially-available CAs that issue widely-trusted certificates, as they rely on nameConstraints to technically constrain subordinate CAs.Are you a Missouri resident looking to purchase a new solar energy system? Click here to learn about the state's solar tax credits and rebates. Expert Advice On Improving Your Home...Certificate issuer. Name constraints. Certificate Revocation List distribution points. Policy mappings. Authority key identifier. Policy constraints. X.509 version 3 certificate extension Inhibit Any-policy The inhibit any-policy extension can be used in certificates issued t…. OID 2.5.29.37 extKeyUsage database reference.SQL constraints are used to specify rules for the data in a table. Constraints are used to limit the type of data that can go into a table. This ensures the accuracy and reliability of the data in the table. If there is any violation between the constraint and the data action, the action is aborted. Constraints can be column level or table level.This function will return an intermediate type containing the name constraints of the provided NameConstraints extension. That can be used in combination with gnutls_x509_name_constraints_check () to verify whether a server's name is in accordance with the constraints. When the flags is set to GNUTLS_NAME_CONSTRAINTS_FLAG_APPEND , then if the ...org.spongycastle.asn1.x509.NameConstraints Best Java code snippets using org.spongycastle.asn1.x509 . NameConstraints . getPermittedSubtrees (Showing top 4 results out of 315)The following examples show how to use java.security.cert.PKIXParameters.You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.Nov 19, 2020 · A SQL constraint is a rule for ensuring the correctness of data in a table. Frequently used SQL constraints include: NOT NULL – The column value cannot be empty (i.e. cannot contain a null value). UNIQUE – The column cannot contain duplicate values (i.e. all values in the column must be different). PRIMARY KEY – Each column value must ...Support nameConstraints, policyMappings, InhibitAnyPolicy, PolicyConstraint (OSCP)noCheck when transforming certificates to templates or OpenSSL configs; Fix SF Bug #104 Export to template introduces spaces; Add option for disabling legacy Netscape extensions; Support exporting SSH2 public key to the clipboardUSER_CONSTRAINTS describes constraint definitions on tables in the current user's schema. Text of search condition for a check constraint. This column returns the correct value only when the row originates from the current container. Text of search condition for a check constraint. This column may truncate the search condition.Update 1. I also tried signing a certificate that did not specify a Subject Alternative Name, instead relying on the old common-name only.. OpenSSL / curl still refused to accept the certificate. Both Chrome and IE11 on Windows refused to accept the certificate on Windows, even though windows itself (when viewing the server certificate) didn't complain about it.NameConstraints (permitted_subtrees, excluded_subtrees) [source] Added in version 1.0. The name constraints extension, which only has meaning in a CA certificate, defines a …A certificate can not be modified and this includes a CA certificate. But you can issue a new CA certificate with the same subject (and subject key identifier) and the same public key but with different name constraints.Object[] values = (Object[]) in.content; return new NameConstraints(NameConstraints. Code Index Add Tabnine to your IDE (free) How to use. NameConstraints. in. org.apache.harmony.security.x509. Best Java code snippets using org.apache.harmony.security.x509.NameConstraints (Showing top 20 results out of 315)public class PKIXNameConstraints. extends java.lang.Object. Constructor Summary. PKIXNameConstraints () Method Summary. void. addExcludedSubtree ( GeneralSubtree subtree) Adds a subtree to the excluded set of these name constraints. void. checkExcluded ( GeneralName name) Check if the given GeneralName is contained in …The short answer is no. The longer answer is about meaning of the code first. Code-first means you are not interested in the database - you just let EF to create some and that is all what you need. It allows you defining names for tables and columns (it is useful especially when working with existing databases) but that is all.In Oracle, use the view user_constraints to display the names of the constraints in the database. The column constraint_name contains the name of the constraint, constraint_type indicates the type of constraint, and table_name contains the name of the table to which the constraint belongs. In the column constraint_type, the value R is for the ...Second, the nameConstraints extension limits the allowed hostnames only to example.com and example.org domain names. In theory, this setup enables you to give control over the subordinate CAs to someone else but still be safe in knowing that they can't issue certificates for arbitrary hostnames. If you wanted, you could restrict each ...Sep 9, 2009 · It helps someone to know quickly what constraints are doing without having to look at the actual constraint, as the name gives you all the info you need. So, I know if it is a primary key, unique key or default key, as well as the table and possibly columns involved. answered Sep 9, 2009 at 3:57. James Black.NameConstraints format for UPN values. Ask Question. Asked2 years ago. Modified 2 years ago. Viewed 149 times. 0. I'm in the middle of building a new PKI and …Here are pest control experts’ five ways to protect your home against a pest invasion. Expert Advice On Improving Your Home Videos Latest View All Guides Latest View All Radio Show...The structure is all wrong. If Google uses this intermediate cert only for signing Google-owned domains (which I think is the case) they can't do it with a restricted path certificate, because they need to sign google.com and google.co.uk and gmail.com and even com.google now that they own that TLD.NameConstraints ; PolicyConstraints; PolicyMappings ; PrivateKeyUsagePeriod ; SubjectDirectoryAttributes; Note that this is about the certenroll com interface in Windows. openssl is not applicable here. certificates; Share. Improve this question. Follow asked Mar 8, 2016 at 12:20. Max Max ...Update 1. I also tried signing a certificate that did not specify a Subject Alternative Name, instead relying on the old common-name only.. OpenSSL / curl still refused to accept the certificate. Both Chrome and IE11 on Windows refused to accept the certificate on Windows, even though windows itself (when viewing the server certificate) didn't …With some research and planning, this couple pulled off an luxurious one-month trip to Dubai and Thailand — including first-class flights on Emirates and Singapore Airlines. Editor...The NameConstraints extension is a critical standard X509v3 extension for being used in CA certificates. Each extension is associated with a specific certificateExtension object identifier, derived from: certificateExtension OBJECT IDENTIFIER ::=. {joint-iso-ccitt(2) ds(5) 29} id-ce OBJECT IDENTIFIER ::= certificateExtension.Use following query to get a definition of constraint in oracle: Select DBMS_METADATA.GET_DDL('CONSTRAINT', 'CONSTRAINT_NAME') from dual. answered Feb 24, 2016 at 5:26. Rakesh. 4,192 2 19 31. If someone wanna kown what excatly do the constraint, you must to run it, thanks @Rakesh Girase. – Cristian.Although NameConstraints was defined in X.509v3 decades ago, in practice I've very rarely heard of anyone using it, and then usually in the form of bug reports because it didn't work. If you are (or your app/system is) using it intentionally you may be breaking new ground. If you can figure out which cert this code is using, I would look at it ...Key usage is a multi-valued extension consisting of a list of names of the permitted key usages. The defined values are: digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment, keyAgreement, keyCertSign, cRLSign, encipherOnly, and decipherOnly. Examples: keyUsage = digitalSignature, nonRepudiation.Posted On: Mar 21, 2022. AWS Certificate Manager (ACM) Private Certificate Authority (CA) now supports customizable certificate subject names. Security and public key infrastructure (PKI) administrators, builders, and developers now have greater control over the types of certificate subject names they can create using ACM Private CA. For ...Synonyms for CONSTRAINTS: restrictions, limitations, restraints, conditions, strictures, curbs, prohibitions, fetters; Antonyms of CONSTRAINTS: freedoms, latitudes ...I use an nCipher HSM to store my secret keys and I would like to generate a custom CSR, with custom extensions (alternate name, certificate policy and name constraints). I am running the HSM in FIPSgnutls_x509_name_constraints_t nc The nameconstraints DESCRIPTION top This function will deinitialize a name constraints type. SINCE top 3.3.0 REPORTING BUGS top Report bugs to <[email protected]>. Home page: https://www.gnutls.org COPYRIGHT topNameConstraints; PolicyConstrains, PolicyMappings, PrivateKeyUsagePeriod; SubjectAltName, SubjectInfoAccess, SubjectKeyIdentifier; RFC 6960 OcspNoCheck; RFC 6962 CT Precertificate SCTs; RfC 7633 TLSFeature; Car Connectivity Consortium ExtensionSchema; Common PKI (German national standard)TrustAnchor (X509Certificate trustedCert, byte[] nameConstraints) Creates an instance of TrustAnchor with the specified X509Certificate and optional name constraints, which are intended to be used as additional constraints when validating an X.509 certification path.And run this: $ step certificate create --csr "My Intermediate CA" my.csr my.key. $ step certificate sign --template name-constraints.tpl my.csr root_ca.crt root_ca_key. Although it would be possible to create a CSR with the same extension, you will need to encode the extension itself manually and sign with a template that takes the RAW ...If you are fluent in building ASN.1 you can craft the required data. However, it is sometimes easier to take the data from another similar certificate, edit it as required, then set this as the new extension's dataA certificate can not be modified and this includes a CA certificate. But you can issue a new CA certificate with the same subject (and subject key identifier) and the same public key but with different name constraints.byte[] bytes = getExtensionValue(cert, "2.5.29.17");Okay, there is a little more to this. Our X509ChainStatusFlags enum has a few different values for how the name constraints were violated. Like if there is a subtree not permitted (allowlist) violation, we get a HasNotPermittedNameConstraint, the disallow list flag is HasExcludedNameConstraint.There is also a flag for "I don't know how to process this name constraint", like min/max gets ...Name Constraints. Throughout this document, and elsewhere in the documentation, using uppercase text signifies DDL keywords (such as STRING, CREATE TABLE, and so on). These keywords are actually case-insensitive and you can enter them in lowercase characters. However, all DDL keywords shown here are reserved words.To mitigate this risk, I've been looking at using X.509 v3 nameConstraints. Sadly, nameConstraints doesn't seem very flexible when it comes to the "Common Name" portion of the certificate subject - I haven't been able to find a way to create a CA certificate that restricts the CN of leaf certificates to subdomains of a root (for example to only ...Hello All , I have just migrated to UVM-1.2 in my bench.I am getting the following warnings from uvm_traversal.svh the name “observed_wr_data_collected_port;” of the component “uvm_test_top.tb.strDMA_wr_mon[0].observed_wr_data_collected_port;” violates the uvm component name constraints This warning was not coming when my …Java NameConstraints Java NoticeReference Java ObjectDigestInfo Java OtherName Java PolicyConstraints Java PolicyInformation Java PolicyMappings Java PolicyQualifierId Java PolicyQualifierInfo Java PrivateKeyUsagePeriod Java ReasonFlags Java RoleSyntax Java RSAPublicKeyStructure ...