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Because there are two keystores involved in the -importkeystore command, the following two options -srcprotected and – destprotected are provided for the source keystore and the destination keystore respectively. Denotes an X. The option can be used in -genkeypair and -gencert to embed extensions into the certificate generated, or in -certreq to show what extensions are requested in the certificate request.

The option can appear multiple times. The value argument, when provided, denotes the argument for the extension. When value is omitted, that means that the default value of the extension or the extension requires no argument. The :critical modifier, when provided, means the extension’s isCritical attribute is true ; otherwise, it is false.

The usage values are case-sensitive. The usage argument can be abbreviated with the first few letters or in camel-case style, as long as no ambiguity is found. The value argument is the string format value for the type. The location-type and location-value arguments can be any type : value supported by the SubjectAlternativeName extension. Values : Same as SubjectInfoAccess. The method argument can be ocsp , caIssuers , or any OID. Any extra character other than standard hexadecimal numbers , a-f, A-F are ignored in the HEX string.

Therefore, both and are accepted as identical values. When there is no value, the extension has an empty value field. A special name honored , used in -gencert only, denotes how the extensions included in the certificate request should be honored.

Requested extensions are not honored by default. If, besides the -ext honored option, another named or OID -ext option is provided, this extension is added to those already honored. However, if this name or OID also appears in the honored value, then its value and criticality overrides the one in the request. The subjectKeyIdentifier extension is always created. For non-self-signed certificates, the authorityKeyIdentifier is created.

Note: Users should be aware that some combinations of extensions and other certificate fields may not conform to the Internet standard. See Certificate Conformance Warning. For example, if MyProvider is a legacy provider loaded via reflection,. Generates a certificate as a response to a certificate request file which can be created by the keytool -certreq command.

The command reads the request from infile if omitted, from the standard input , signs it using alias’s private key, and outputs the X. The sigalg value specifies the algorithm that should be used to sign the certificate. The startdate argument is the start time and date that the certificate is valid. The valDays argument tells the number of days for which the certificate should be considered valid. When dname is provided, it is used as the subject of the generated certificate.

Otherwise, the one from the certificate request is used. The ext value shows what X. Read Common Options for the grammar of -ext. The -gencert option enables you to create certificate chains. The following example creates a certificate, e1 , that contains three certificates in its certificate chain. The following commands creates four key pairs named ca , ca1 , ca2 , and e1 :. The following two commands create a chain of signed certificates; ca signs ca1 and ca1 signs ca2 , all of which are self-issued:.

The following command creates the certificate e1 and stores it in the file e1. As a result, e1 should contain ca , ca1 , and ca2 in its certificate chain:. Generates a key pair a public key and associated private key.

Wraps the public key into an X. This certificate chain and the private key are stored in a new keystore entry identified by alias.

The keyalg value specifies the algorithm to be used to generate the key pair, and the keysize value specifies the size of each key to be generated. The sigalg value specifies the algorithm that should be used to sign the self-signed certificate. This algorithm must be compatible with the keyalg value. The groupname value specifies a named group when generating a key pair. The groupname option is preferred over the keysize option because there may be more than one curve of the same size.

For example:. The dname value specifies the X. If no distinguished name is provided at the command line, then the user is prompted for one. The value of keypass is a password used to protect the private key of the generated key pair. If no password is provided, then the user is prompted for it.

If you press the Return key at the prompt, then the key password is set to the same password as the keystore password. The keypass value must be at least 6 characters. The value of startdate specifies the issue time of the certificate, also known as the “Not Before” value of the X. With the first form, the issue time is shifted by the specified value from the current time. The value is a concatenation of a sequence of subvalues. The time to be shifted is nnn units of years, months, days, hours, minutes, or seconds denoted by a single character of y , m , d , H , M , or S respectively.

The exact value of the issue time is calculated using the java. For example, by specifying, the issue time will be:. The user can provide only one part, which means the other part is the same as the current date or time. The user must provide the exact number of digits as shown in the format definition padding with 0 when shorter.

When both the date and time are provided, there is one and only one space character between the two parts. The hour should always be provided in 24 hour format. When the option is not provided, the start date is the current time. The option can be provided at most once. The value of valDays specifies the number of days starting at the date specified by -startdate , or the current date when -startdate is not specified for which the certificate should be considered valid.

This command was named -genkey in earlier releases. The old name is still supported in this release. The new name, -genkeypair , is preferred going forward. Generates a secret key and stores it in a new KeyStore. SecretKeyEntry identified by alias. The value of keyalg specifies the algorithm to be used to generate the secret key, and the value of keysize specifies the size of the key to be generated.

The keypass value is a password that protects the secret key. If you press the Return key at the prompt, then the key password is set to the same password that is used for the keystore.

The keytool command can import X. The data to be imported must be provided either in binary encoding format or in printable encoding format also known as Base64 encoding as defined by the Internet RFC standard. In the latter case, the encoding must be bounded at the beginning by a string that starts with – BEGIN , and bounded at the end by a string that starts with END. You import a certificate for two reasons: To add it to the list of trusted certificates, and to import a certificate reply received from a certificate authority CA as the result of submitting a Certificate Signing Request to that CA see the -certreq option in Commands.

Which type of import is intended is indicated by the value of the -alias option. If the alias does not point to a key entry, then the keytool command assumes you are adding a trusted certificate entry. In this case, the alias should not already exist in the keystore. If the alias does already exist, then the keytool command outputs an error because there is already a trusted certificate for that alias, and does not import the certificate. If the alias points to a key entry, then the keytool command assumes you are importing a certificate reply.

Imports a passphrase and stores it in a new KeyStore. The passphrase may be supplied via the standard input stream; otherwise the user is prompted for it.

If no password is provided, the user is prompted for it. If you press the Return key at the prompt, the key password is set to the same password as that used for the keystore. When the -srcalias option is provided, the command imports the single entry identified by the alias to the destination keystore.

If a destination alias is not provided with destalias , then srcalias is used as the destination alias. If the source entry is protected by a password, then srckeypass is used to recover the entry. If srckeypass is not provided, then the keytool command attempts to use srcstorepass to recover the entry.

If srcstorepass is either not provided or is incorrect, then the user is prompted for a password. The destination entry is protected with destkeypass.

If destkeypass is not provided, then the destination entry is protected with the source entry password. For example, most third-party tools require storepass and keypass in a PKCS 12 keystore to be the same. In order to create a PKCS 12 keystore for these tools, always specify a -destkeypass to be the same as -deststorepass. If the -srcalias option is not provided, then all entries in the source keystore are imported into the destination keystore.

Each destination entry is stored under the alias from the source entry. If the source entry is protected by a password, then srcstorepass is used to recover the entry.

If a source keystore entry type is not supported in the destination keystore, or if an error occurs while storing an entry into the destination keystore, then the user is prompted whether to skip the entry and continue or to quit. The destination entry is protected with the source entry password.

If the destination alias already exists in the destination keystore, then the user is prompted to either overwrite the entry or to create a new entry under a different alias name.

If the -noprompt option is provided, then the user is not prompted for a new destination alias. Existing entries are overwritten with the destination alias name. Entries that cannot be imported are skipped and a warning is displayed.

Prints the content of a PKCS 10 format certificate request, which can be generated by the keytool -certreq command. The command reads the request from file. If there is no file, then the request is read from the standard input. The CA authenticates the certificate requestor usually off-line and will return a certificate or certificate chain, used to replace the existing certificate chain which initially consists of a self-signed certificate in the keystore.

The private key associated with alias is used to create the PKCS 10 certificate request. To access the private key, the correct password must be provided. If keypass is not provided at the command line and is different from the password used to protect the integrity of the keystore, then the user is prompted for it. If dname is provided, then it is used as the subject in the CSR.

Otherwise, the X. The sigalg value specifies the algorithm that should be used to sign the CSR. If no file is specified, then the CSR is output to stdout.

When no file is specified, the certificate is output to stdout. The certificate is by default output in binary encoding. If the -rfc option is specified, then the output in the printable encoding format defined by the Internet RFC Certificate Encoding Standard. If alias refers to a trusted certificate, then that certificate is output.

Otherwise, alias refers to a key entry with an associated certificate chain. In that case, the first certificate in the chain is returned. This certificate authenticates the public key of the entity addressed by alias. This command was named -export in earlier releases. The new name, -exportcert , is preferred going forward. Prints to stdout the contents of the keystore entry identified by alias.

If no alias is specified, then the contents of the entire keystore are printed. This command by default prints the SHA fingerprint of a certificate. If the -v option is specified, then the certificate is printed in human-readable format, with additional information such as the owner, issuer, serial number, and any extensions.

If the -rfc option is specified, then the certificate contents are printed using the printable encoding format, as defined by the Internet RFC Certificate Encoding Standard.

Note that -sslserver and -file options cannot be provided at the same time. Otherwise, an error is reported. If neither option is specified, then the certificate is read from stdin. If the certificate is read from a file or stdin , then it might be either binary encoded or in printable encoding format, as defined by the RFC Certificate Encoding standard.

The CA generates the crl file. Changes the password used to protect the integrity of the keystore contents. If the -keypass option is not provided at the command line, and the key password is different from the keystore password, then the user is prompted for it. If the -new option is not provided at the command line, then the user is prompted for it.

Deletes from the keystore the entry identified by alias. The user is prompted for the alias, when no alias is provided at the command line. Move an existing keystore entry from the specified alias to a new alias, destalias.

If no destination alias is provided, then the command prompts for one. If the original entry is protected with an entry password, then the password can be supplied with the -keypass option. If no key password is provided, then the storepass if provided is attempted first.

If the attempt fails, then the user is prompted for a password. First, create a keystore and generate the key pair. You can use a command such as the following typed as a single line:. It uses the default DSA key generation algorithm to create the keys; both are bits. The command uses the default SHAwithRSA signature algorithm to create a self-signed certificate that includes the public key and the distinguished name information. The certificate is valid for days, and is associated with the private key in a keystore entry referred to by the alias business.

The command is significantly shorter when the option defaults are accepted. In this case, no options are required, and the defaults are used for unspecified options that have default values. You are prompted for any required values. You could have the following:. In this case, a keystore entry with the alias mykey is created, with a newly generated key pair and a certificate that is valid for 90 days.

This entry is placed in the keystore named. The keystore is created when it does not already exist. You are prompted for the distinguished name information, the keystore password, and the private key password. The rest of the examples assume you executed the -genkeypair command without options specified, and that you responded to the prompts with values equal to those specified in the first -genkeypair command.

Generating the key pair created a self-signed certificate. A certificate is more likely to be trusted by others when it is signed by a Certification Authority CA. This creates a CSR for the entity identified by the default alias mykey and puts the request in the file named MarkJ. Submit this file to a CA, such as VeriSign. The CA authenticates you, the requestor usually off-line , and returns a certificate, signed by them, authenticating your public key.

In some cases, the CA returns a chain of certificates, each one authenticating the public key of the signer of the previous certificate in the chain. You now need to replace the self-signed certificate with a certificate chain, where each certificate in the chain authenticates the public key of the signer of the previous certificate in the chain, up to a root CA.

Before you import the certificate reply from a CA, you need one or more trusted certificates in your keystore or in the cacerts keystore file.

See -importcert in Commands. If the certificate reply is a certificate chain, then you need the top certificate of the chain. The root CA certificate that authenticates the public key of the CA. If the certificate reply is a single certificate, then you need a certificate for the issuing CA the one that signed it. If that certificate is not self-signed, then you need a certificate for its signer, and so on, up to a self-signed root CA certificate.

The cacerts keystore file ships with several VeriSign root CA certificates, so you probably will not need to import a VeriSign certificate as a trusted certificate in your keystore. But if you request a signed certificate from a different CA, and a certificate authenticating that CA’s public key was not added to cacerts , then you must import a certificate from the CA as a trusted certificate. A certificate from a CA is usually either self-signed or signed by another CA, in which case you need a certificate that authenticates that CA’s public key.

Suppose company ABC, Inc. Be careful to ensure the certificate is valid before you import it as a trusted certificate. View it first with the keytool -printcert command or the keytool -importcert command without the -noprompt option, and make sure that the displayed certificate fingerprints match the expected ones.

You can call the person who sent the certificate, and compare the fingerprints that you see with the ones that they show or that a secure public key repository shows. Only when the fingerprints are equal is it guaranteed that the certificate was not replaced in transit with somebody else’s for example, an attacker’s certificate. If such an attack takes place, and you did not check the certificate before you imported it, then you would be trusting anything the attacker has signed.

If you trust that the certificate is valid, then you can add it to your keystore with the following command:. After you import a certificate that authenticates the public key of the CA you submitted your certificate signing request to or there is already such a certificate in the cacerts file , you can import the certificate reply and replace your self-signed certificate with a certificate chain.

This chain is the one returned by the CA in response to your request when the CA reply is a chain , or one constructed when the CA reply is a single certificate using the certificate reply and trusted certificates that are already available in the keystore where you import the reply or in the cacerts keystore file. For example, if you sent your certificate signing request to VeriSign, then you can import the reply with the following, which assumes the returned certificate is named VSMarkJ.

If you used the jarsigner command to sign a Java Archive JAR file, then clients that want to use the file will want to authenticate your signature. One way the clients can authenticate you is by first importing your public key certificate into their keystore as a trusted entry. You can export the certificate and supply it to your clients. As an example, you can copy your certificate to a file named MJ. With the certificate and the signed JAR file, a client can use the jarsigner command to authenticate your signature.

The command importkeystore is used to import an entire keystore into another keystore, which means all entries from the source keystore, including keys and certificates, are all imported to the destination keystore within a single command. You can use this command to import entries from a different type of keystore. During the import, all new entries in the destination keystore will have the same alias names and protection passwords for secret keys and private keys.

If the keytool command cannot recover the private keys or secret keys from the source keystore, then it prompts you for a password. If it detects alias duplication, then it asks you for a new alias, and you can specify a new alias or simply allow the keytool command to overwrite the existing one.

For example, to import entries from a typical JKS type keystore key. The importkeystore command can also be used to import a single entry from a source keystore to a destination keystore.

In this case, besides the options you see in the previous example, you need to specify the alias you want to import.

The following command demonstrates this:. Ensure that you store all the certificates in the same keystore. In these examples, RSA is the recommended the key algorithm. Keystores can have different types of entries. The two most applicable entry types for the keytool command include the following:. Key entries : Each entry holds very sensitive cryptographic key information, which is stored in a protected format to prevent unauthorized access. Typically, a key stored in this type of entry is a secret key, or a private key accompanied by the certificate chain for the corresponding public key.

See Certificate Chains. The keytool command can handle both types of entries, while the jarsigner tool only handles the latter type of entry, that is private keys and their associated certificate chains. Trusted certificate entries : Each entry contains a single public key certificate that belongs to another party. The entry is called a trusted certificate because the keystore owner trusts that the public key in the certificate belongs to the identity identified by the subject owner of the certificate.

The issuer of the certificate vouches for this, by signing the certificate. All keystore entries key and trusted certificate entries are accessed by way of unique aliases. An alias is specified when you add an entity to the keystore with the -genseckey command to generate a secret key, the -genkeypair command to generate a key pair public and private key , or the -importcert command to add a certificate or certificate chain to the list of trusted certificates.

If you later want to change Duke’s private key password, use a command such as the following:. This changes the password from dukekeypasswd to newpass. A password should not be specified on a command line or in a script unless it is for testing purposes, or you are on a secure system. If you do not specify a required password option on a command line, then you are prompted for it. The KeyStore class provided in the java.

It is possible for there to be multiple different concrete implementations, where each implementation is that for a particular type of keystore. Currently, two command-line tools keytool and jarsigner and a GUI-based tool named Policy Tool make use of keystore implementations. Because the KeyStore class is public , users can write additional security applications that use it.

There is a built-in default implementation, provided by Oracle. It implements the keystore as a file with a proprietary keystore type format named JKS. It protects each private key with its individual password, and also protects the integrity of the entire keystore with a possibly different password. Keystore implementations are provider-based. That is, there is a corresponding abstract KeystoreSpi class, also in the java.

The term provider refers to a package or a set of packages that supply a concrete implementation of a subset of services that can be accessed by the Java Security API. Applications can choose different types of keystore implementations from different providers, using the getInstance factory method supplied in the KeyStore class.

Keystore implementations of different types are not compatible. The keytool command works on any file-based keystore implementation. It treats the keystore location that is passed to it at the command line as a file name and converts it to a FileInputStream , from which it loads the keystore information. The jarsigner and policytool commands can read a keystore from any location that can be specified with a URL.

For keytool and jarsigner , you can specify a keystore type at the command line, with the -storetype option. For Policy Tool, you can specify a keystore type with the Keystore menu. If you do not explicitly specify a keystore type, then the tools choose a keystore implementation based on the value of the keystore. The security properties file is called java. Each tool gets the keystore. It then uses the keystore implementation from that provider. The KeyStore class defines a static method named getDefaultType that lets applications and applets retrieve the value of the keystore.

The following line of code creates an instance of the default keystore type as specified in the keystore. The default keystore type is jks , which is the proprietary type of the keystore implementation provided by Oracle.

This is specified by the following line in the security properties file:. Approximate size Age rating For all ages. This app can Access your Internet connection interopServices. Permissions info. Installation Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices. Language supported English United States. Additional terms Terms of transaction. Seizure warnings Photosensitive seizure warning. Report this product Report this app to Microsoft Thanks for reporting your concern.

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How To Download JDK for Windows How to download JDK for Windows? I want to use the Keytool included in the JDK to generate keys and manage certificates. If you Windows system does not have JDK pre-installed, you can download the latest release of JDK yourself easily. And it’s free! 1. Go to JDK download Web site. 2. Click the. Download this app from Microsoft Store for Windows 10 Mobile. See screenshots, read the latest customer reviews, and compare ratings for KeyTool. KeyStore Explorer is an open source GUI replacement for the Java command-line utilities keytool and jarsigner. KeyStore Explorer presents their functionality, and more, via .
Copy file replace.me to the installation directory of the program that is requesting replace.me If that doesn’t work, you will have to copy replace.me to your system directory. By default, this is: Windows 95/98/Me – C:\Windows\System Windows NT/ – C:\WINNT\System32 Windows XP, Vista, 7, 10 – C:\Windows\System DOWNLOAD KeyTool IUI for Windows. Load comments. This enables Disqus, Inc. to process some of your data. Disqus privacy policy. DOWNLOAD NOW. KeyTool IUI Jan 27, · keytool is part of the standard java distribution. In a windows bit machine, you would normally find the jdk at. C:\Program Files\Java\jdk_\bin. It is used for managing keys and certificates you can sign things with, in your case, probably a jar file.
Copy file replace.me to the installation directory of the program that is requesting replace.me If that doesn’t work, you will have to copy replace.me to your system directory. By default, this is: Windows 95/98/Me – C:\Windows\System Windows NT/ – C:\WINNT\System32 Windows XP, Vista, 7, 10 – C:\Windows\System DOWNLOAD KeyTool IUI for Windows. Load comments. This enables Disqus, Inc. to process some of your data. Disqus privacy policy. DOWNLOAD NOW. KeyTool IUI KeyStore Explorer is an open source GUI replacement for the Java command-line utilities keytool and jarsigner. KeyStore Explorer presents their functionality, and more, via . Jan 27, · keytool is part of the standard java distribution. In a windows bit machine, you would normally find the jdk at. C:\Program Files\Java\jdk_\bin. It is used for managing keys and certificates you can sign things with, in your case, probably a jar file.

Manages a keystore database of cryptographic keys, X. The keytool command is a key and certificate management utility. The keytool command also enables users to cache the public keys in the form of certificates of their communicating peers. A certificate is a digitally signed statement from one entity person, company, and so on. See Certificate.

When data is digitally signed, the signature can be verified to check the data integrity and authenticity. Integrity means that the data has not been modified or tampered with, and authenticity means the data comes from whoever claims to have created and signed it. The keytool command also enables users to administer secret keys and passphrases used in symmetric encryption and decryption DES. The keytool command stores the keys and certificates in a keystore. See KeyStore aliases.

Braces surrounding an option signify that a default value will be used when the option is not specified on the command line. See Option Defaults. Braces are also used around the -v , -rfc , and -J options, which only have meaning when they appear on the command line. They do not have any default values other than not existing. Brackets surrounding an option signify that the user is prompted for the values when the option is not specified on the command line.

Items in italics option values represent the actual values that must be supplied. For example, here is the format of the -printcert command:. The -help option is the default. The keytool command is the same as keytool -help. The -v option can appear for all commands except -help. When the -v option appears, it signifies verbose mode, which means that more information is provided in the output. There is also a -Jjavaoption argument that can appear for any command. When the -Jjavaoption appears, the specified javaoption string is passed directly to the Java interpreter.

This option does not contain any spaces. It is useful for adjusting the execution environment or memory usage. For a list of possible interpreter options, type java -h or java -X at the command line. If the JKS storetype is used and a keystore file does not yet exist, then certain keytool commands can result in a new keystore file being created.

For example, if keytool -genkeypair is called and the -keystore option is not specified, the default keystore file named. Note that the input stream from the -keystore option is passed to the KeyStore. NONE should be specified if the keystore is not file-based. For example, when it resides on a hardware token device. If the modifier env or file is not specified, then the password has the value argument, which must be at least 6 characters long. Otherwise, the password is retrieved as follows:.

Note: All other options that require passwords, such as -keypass , -srckeypass , – destkeypass , -srcstorepass , and -deststorepass , accept the env and file modifiers. Remember to separate the password option and the modifier with a colon :. The password must be provided to all commands that access the keystore contents.

For such commands, when the -storepass option is not provided at the command line, the user is prompted for it. When retrieving information from the keystore, the password is optional. If no password is specified, then the integrity of the retrieved information cannot be verified and a warning is displayed.

Used to identify a cryptographic service provider’s name when listed in the security properties file. Used to specify the name of a cryptographic service provider’s master class file when the service provider is not listed in the security properties file. Either true or false. This value should be specified as true when a password must be specified by way of a protected authentication path such as a dedicated PIN reader.

You can use :c in place of :critical. The keytool command supports these named extensions. The names are not case-sensitive. The usage argument can be abbreviated with the first few letters dig for digitalSignature or in camel-case style dS for digitalSignature or cRLS for cRLSign , as long as no ambiguity is found. The usage values are case-sensitive. The usage argument can be abbreviated with the first few letters or in camel-case style, as long as no ambiguity is found.

The value argument is the string format value for the type. The location-type and location-value arguments can be any type : value supported by the SubjectAlternativeName extension. Values : Same as SubjectInfoAccess. The method argument can be ocsp , caIssuers , or any OID.

Any extra character other than standard hexadecimal numbers , a-f, A-F are ignored in the HEX string. Therefore, both and are accepted as identical values. When there is no value, the extension has an empty value field. A special name honored , used in -gencert only, denotes how the extensions included in the certificate request should be honored. Requested extensions are not honored by default.

If, besides the -ext honored option, another named or OID -ext option is provided, this extension is added to those already honored. However, if this name or OID also appears in the honored value, then its value and criticality overrides the one in the request. The subjectKeyIdentifier extension is always created. For non-self-signed certificates, the authorityKeyIdentifier is created.

Generates a certificate as a response to a certificate request file which can be created by the keytool -certreq command. The command reads the request from infile if omitted, from the standard input , signs it using alias’s private key, and outputs the X. The sigalg value specifies the algorithm that should be used to sign the certificate. The startdate argument is the start time and date that the certificate is valid. The valDays argument tells the number of days for which the certificate should be considered valid.

When dname is provided, it is used as the subject of the generated certificate. Otherwise, the one from the certificate request is used. The ext value shows what X.

Read Common Options for the grammar of -ext. The -gencert option enables you to create certificate chains. The following example creates a certificate, e1 , that contains three certificates in its certificate chain. The following commands creates four key pairs named ca , ca1 , ca2 , and e1 :.

The following two commands create a chain of signed certificates; ca signs ca1 and ca1 signs ca2 , all of which are self-issued:. The following command creates the certificate e1 and stores it in the file e1.

As a result, e1 should contain ca , ca1 , and ca2 in its certificate chain:. Generates a key pair a public key and associated private key. Wraps the public key into an X. This certificate chain and the private key are stored in a new keystore entry identified by alias.

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KeyTool IUI is a compact utility developed in Java for creating and accessing a repository of security keys. The keystore files usually contain private keys and certificates that are required by various software solutions for accessing certain resources.

You can use the application to sign a file with a security certificate and to verify a file. It supports both detached and embedded signature files. You just need to select the keystore file and the XML file that needs to be signed. This tool is able to import a regular trusted certificate or a root CA certificate in order to use it for the current keystore.

The supported files list includes some of the Public Key Cryptography standards and can store the keystore files to multiple formats such as Bouncycastle Keystore or Java Cryptography Extension Keystore.

While the app is not designed for the casual computer user, the developers that use keystores to sign or encrypt files can easily access the main features from the left side panel. All the tasks are presented in a tree-like structure which makes it easier to locate a certain operation. If you are just beginning to use cryptography tools, the program includes an extensive documentation that covers every available function. KeyTool IUI. Review Free Download specifications report malware.

You seem to have CSS turned off. Please don’t fill out this field. Keytool is an Eclipse plugin that maintains keystores and certificates.

It allows you to create certificates and put them in a keystore. You can from Eclipse, open and inspect certificates that are stored as. Keytool Web Site. Please provide the ad click URL, if possible:. Oh no! Some styles failed to load. Help Create Join Login. Application Development. IT Management. Project Management. Resources Blog Articles. Menu Help Create Join Login. Keytool Brought to you by: fust. Get project updates, sponsored content from our select partners, and more.

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Join Stack Overflow to learn, share knowledge, and build your career. Connect and share knowledge within a single location that is structured and easy to search. I need to use mapview control in android and I can’t seem to understand how to run keytool.

Is it installed with eclipse? I can’t seem to find a download link. It is used for managing keys and certificates you can sign things with, in your case, probably a jar file. If you provide more details of what you need to do, we could probably give you a more specific answer. A more general answer to this question is that it will most likely be in the bin sub directory of wherever your jdk is installed.

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Reads the certificate or certificate chain where the latter is supplied in a PKCS 7 formatted reply or a sequence of X. If no file is specified, then the certificate or certificate chain is read from stdin. The keytool command can import X. The data to be imported must be provided either in binary encoding format or in printable encoding format also known as Base64 encoding as defined by the Internet RFC standard. In the latter case, the encoding must be bounded at the beginning by a string that starts with – BEGIN , and bounded at the end by a string that starts with END.

You import a certificate for two reasons: To add it to the list of trusted certificates, and to import a certificate reply received from a certificate authority CA as the result of submitting a Certificate Signing Request to that CA see the -certreq option in Commands.

In this case, the alias should not already exist in the keystore. If the alias does already exist, then the keytool command outputs an error because there is already a trusted certificate for that alias, and does not import the certificate.

If the alias points to a key entry, then the keytool command assumes you are importing a certificate reply. Imports a passphrase and stores it in a new KeyStore. The passphrase may be supplied via the standard input stream; otherwise the user is prompted for it. If no password is provided, the user is prompted for it.

If you press the Return key at the prompt, the key password is set to the same password as that used for the keystore. When the -srcalias option is provided, the command imports the single entry identified by the alias to the destination keystore.

If a destination alias is not provided with destalias , then srcalias is used as the destination alias. If the source entry is protected by a password, then srckeypass is used to recover the entry.

If srckeypass is not provided, then the keytool command attempts to use srcstorepass to recover the entry. If srcstorepass is either not provided or is incorrect, then the user is prompted for a password. The destination entry is protected with destkeypass. If destkeypass is not provided, then the destination entry is protected with the source entry password. For example, most third-party tools require storepass and keypass in a PKCS 12 keystore to be the same.

In order to create a PKCS 12 keystore for these tools, always specify a -destkeypass to be the same as -deststorepass. If the -srcalias option is not provided, then all entries in the source keystore are imported into the destination keystore.

Each destination entry is stored under the alias from the source entry. If the source entry is protected by a password, then srcstorepass is used to recover the entry. If a source keystore entry type is not supported in the destination keystore, or if an error occurs while storing an entry into the destination keystore, then the user is prompted whether to skip the entry and continue or to quit.

The destination entry is protected with the source entry password. If the destination alias already exists in the destination keystore, then the user is prompted to either overwrite the entry or to create a new entry under a different alias name. If the -noprompt option is provided, then the user is not prompted for a new destination alias. Existing entries are overwritten with the destination alias name.

Entries that cannot be imported are skipped and a warning is displayed. Prints the content of a PKCS 10 format certificate request, which can be generated by the keytool -certreq command. The command reads the request from file. If there is no file, then the request is read from the standard input. The CA authenticates the certificate requestor usually off-line and will return a certificate or certificate chain, used to replace the existing certificate chain which initially consists of a self-signed certificate in the keystore.

If dname is provided, then it is used as the subject in the CSR. Otherwise, the X. The sigalg value specifies the algorithm that should be used to sign the CSR.

If no file is specified, then the CSR is output to stdout. When no file is specified, the certificate is output to stdout. The certificate is by default output in binary encoding. If the -rfc option is specified, then the output in the printable encoding format defined by the Internet RFC Certificate Encoding Standard.

If alias refers to a trusted certificate, then that certificate is output. Otherwise, alias refers to a key entry with an associated certificate chain. In that case, the first certificate in the chain is returned. This certificate authenticates the public key of the entity addressed by alias.

This command was named -export in earlier releases. The new name, -exportcert , is preferred going forward. Prints to stdout the contents of the keystore entry identified by alias. If no alias is specified, then the contents of the entire keystore are printed. This command by default prints the SHA fingerprint of a certificate. If the -v option is specified, then the certificate is printed in human-readable format, with additional information such as the owner, issuer, serial number, and any extensions.

If the -rfc option is specified, then the certificate contents are printed using the printable encoding format, as defined by the Internet RFC Certificate Encoding Standard. Note that -sslserver and -file options cannot be provided at the same time. Otherwise, an error is reported. If neither option is specified, then the certificate is read from stdin.

If the certificate is read from a file or stdin , then it might be either binary encoded or in printable encoding format, as defined by the RFC Certificate Encoding standard.

The CA generates the crl file. Changes the password used to protect the integrity of the keystore contents.

If the -keypass option is not provided at the command line, and the key password is different from the keystore password, then the user is prompted for it. If the -new option is not provided at the command line, then the user is prompted for it. Deletes from the keystore the entry identified by alias. The user is prompted for the alias, when no alias is provided at the command line.

Move an existing keystore entry from the specified alias to a new alias, destalias. If no destination alias is provided, then the command prompts for one. If the original entry is protected with an entry password, then the password can be supplied with the -keypass option. If no key password is provided, then the storepass if provided is attempted first. If the attempt fails, then the user is prompted for a password.

First, create a keystore and generate the key pair. You can use a command such as the following typed as a single line:. It uses the default DSA key generation algorithm to create the keys; both are bits.

The command uses the default SHAwithRSA signature algorithm to create a self-signed certificate that includes the public key and the distinguished name information. The certificate is valid for days, and is associated with the private key in a keystore entry referred to by the alias business.

You could have the following:. In this case, a keystore entry with the alias mykey is created, with a newly generated key pair and a certificate that is valid for 90 days. This entry is placed in the keystore named.

The keystore is created when it does not already exist. You are prompted for the distinguished name information, the keystore password, and the private key password. The rest of the examples assume you executed the -genkeypair command without options specified, and that you responded to the prompts with values equal to those specified in the first -genkeypair command.

Generating the key pair created a self-signed certificate. A certificate is more likely to be trusted by others when it is signed by a Certification Authority CA.

This creates a CSR for the entity identified by the default alias mykey and puts the request in the file named MarkJ. Submit this file to a CA, such as VeriSign. The CA authenticates you, the requestor usually off-line , and returns a certificate, signed by them, authenticating your public key. In some cases, the CA returns a chain of certificates, each one authenticating the public key of the signer of the previous certificate in the chain.

You now need to replace the self-signed certificate with a certificate chain, where each certificate in the chain authenticates the public key of the signer of the previous certificate in the chain, up to a root CA.

Before you import the certificate reply from a CA, you need one or more trusted certificates in your keystore or in the cacerts keystore file. See -importcert in Commands. If the certificate reply is a certificate chain, then you need the top certificate of the chain. The root CA certificate that authenticates the public key of the CA.

If the certificate reply is a single certificate, then you need a certificate for the issuing CA the one that signed it. If that certificate is not self-signed, then you need a certificate for its signer, and so on, up to a self-signed root CA certificate. The cacerts keystore file ships with several VeriSign root CA certificates, so you probably will not need to import a VeriSign certificate as a trusted certificate in your keystore.

But if you request a signed certificate from a different CA, and a certificate authenticating that CA’s public key was not added to cacerts , then you must import a certificate from the CA as a trusted certificate. A certificate from a CA is usually either self-signed or signed by another CA, in which case you need a certificate that authenticates that CA’s public key. Suppose company ABC, Inc. Be careful to ensure the certificate is valid before you import it as a trusted certificate.

View it first with the keytool -printcert command or the keytool -importcert command without the -noprompt option, and make sure that the displayed certificate fingerprints match the expected ones. You can call the person who sent the certificate, and compare the fingerprints that you see with the ones that they show or that a secure public key repository shows.

Only when the fingerprints are equal is it guaranteed that the certificate was not replaced in transit with somebody else’s for example, an attacker’s certificate. If such an attack takes place, and you did not check the certificate before you imported it, then you would be trusting anything the attacker has signed. If you trust that the certificate is valid, then you can add it to your keystore with the following command:.

After you import a certificate that authenticates the public key of the CA you submitted your certificate signing request to or there is already such a certificate in the cacerts file , you can import the certificate reply and replace your self-signed certificate with a certificate chain. This chain is the one returned by the CA in response to your request when the CA reply is a chain , or one constructed when the CA reply is a single certificate using the certificate reply and trusted certificates that are already available in the keystore where you import the reply or in the cacerts keystore file.

For example, if you sent your certificate signing request to VeriSign, then you can import the reply with the following, which assumes the returned certificate is named VSMarkJ.

As an example, you can copy your certificate to a file named MJ. With the certificate and the signed JAR file, a client can use the jarsigner command to authenticate your signature. The command importkeystore is used to import an entire keystore into another keystore, which means all entries from the source keystore, including keys and certificates, are all imported to the destination keystore within a single command.

You can use this command to import entries from a different type of keystore. During the import, all new entries in the destination keystore will have the same alias names and protection passwords for secret keys and private keys. If the keytool command cannot recover the private keys or secret keys from the source keystore, then it prompts you for a password. If it detects alias duplication, then it asks you for a new alias, and you can specify a new alias or simply allow the keytool command to overwrite the existing one.

For example, to import entries from a typical JKS type keystore key. The importkeystore command can also be used to import a single entry from a source keystore to a destination keystore. In this case, besides the options you see in the previous example, you need to specify the alias you want to import.

The two most applicable entry types for the keytool command include the following:. Key entries : Each entry holds very sensitive cryptographic key information, which is stored in a protected format to prevent unauthorized access. Typically, a key stored in this type of entry is a secret key, or a private key accompanied by the certificate chain for the corresponding public key.

Subsequent keytool commands must use this same alias to refer to the entity. This example specifies an initial password of dukekeypasswd required by subsequent commands to access the private key associated with the alias duke. If you later want to change Duke’s private key password, use a command such as the following:.

This changes the password from dukekeypasswd to newpass. A password should not be specified on a command line or in a script unless it is for testing purposes, or you are on a secure system.

If you do not specify a required password option on a command line, then you are prompted for it. The KeyStore class provided in the java. It is possible for there to be multiple different concrete implementations, where each implementation is that for a particular type of keystore. Currently, two command-line tools keytool and jarsigner and a GUI-based tool named Policy Tool make use of keystore implementations.

Because the KeyStore class is public , users can write additional security applications that use it. There is a built-in default implementation, provided by Oracle. It implements the keystore as a file with a proprietary keystore type format named JKS. It protects each private key with its individual password, and also protects the integrity of the entire keystore with a possibly different password. Keystore implementations are provider-based.

That is, there is a corresponding abstract KeystoreSpi class, also in the java. The term provider refers to a package or a set of packages that supply a concrete implementation of a subset of services that can be accessed by the Java Security API. Applications can choose different types of keystore implementations from different providers, using the getInstance factory method supplied in the KeyStore class.

For keytool and jarsigner , you can specify a keystore type at the command line, with the -storetype option.

For Policy Tool, you can specify a keystore type with the Keystore menu. If you do not explicitly specify a keystore type, then the tools choose a keystore implementation based on the value of the keystore. The security properties file is called java. Each tool gets the keystore. It then uses the keystore implementation from that provider. I want to export a certificate out of a keystore file and send it to someone else.

I want to generate a pair of public key and private key for myself. I want to use the Keytool included in the JDK to generate keys and manage certificates.

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Application Development. IT Management. Project Management. Resources Blog Articles. Menu Help Create Join Login. Keytool Brought to you by: fust. Get project updates, sponsored content from our select partners, and more. Full Name. Phone Number. Job Title. Company Size Company Size: 1 – 25 26 – 99 – – 1, – 4, 5, – 9, 10, – 19, 20, or More.

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Certificate import and export operations support four file formats on Windows systems. Choose the format that meets your specific requirements. Personal Information All rights in the contents of this web site are reserved by the individual author.

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