Java Keytool generate keystore command

Keytool is a Java data certificate management tool. Keytool stores the key and certificates in a file called keystore. In the keystore, it contains two types of data: key entity-key ( secret key) or a private key and a paired public key (asymmetric encryption) trusted certificate entries (trusted certificate entries)-contains only the public key.

keytool.exe tool location
Go to JDK installation directory JDK \ bin \ keytool.exe

Open the command window CD to the directory where keytool.exe is located
executekeytool -genkey -alias bieming -keyalg RSA -validity 2000 -keystore five.keystore

Follow the prompts to enter the password, name, city, country, etc.
Finally, enter the alias key

Variable interpretation
-genkey creates a default file ".keystore" in the user's home directory, and also generates an alias of mykey, which contains the user's public key, private key and certificate (not specified) (In the case of the generated location, the keystore will exist in the user system default directory)

-alias Generate aliases Each keystore is associated with a unique alias, which is usually not case sensitive

-keyalg specifies the key algorithm (such as RSA DSA, the default value is DSA)

-validity specifies how many days the created certificate is valid (default 90)

-keystore specifies the name of the keystore (the various types of information generated will not be in the .keystore file)

At the end of execution, a * .keystore file will be generated in the same directory of keytool.exe

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