mirror of
https://github.com/denisidoro/navi
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59 lines
2.2 KiB
Text
59 lines
2.2 KiB
Text
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% java keytool, certificate, encryption
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## Creating
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# Generate a Java keystore and key pair
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keytool -genkey -alias <ALIAS> -keyalg RSA -keystore <OUTPUT_JKS> -keysize <RSA_LENGTH>
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# Generate a certificate signing request (CSR) for an existing Java keystore
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keytool -certreq -alias <ALIAS> -keystore <INPUT_JKS> -file <OUTPUT_CSR>
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# Import a root or intermediate CA certificate to an existing Java keystore
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keytool -import -trustcacerts -alias root -file <INPUT_CRT> -keystore <INPUT_JKS>
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# Import a signed primary certificate to an existing Java keystore
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keytool -import -trustcacerts -alias <ALIAS> -file <INPUT_CRT> -keystore <INPUT_JKS>
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# Generate a keystore and self-signed certificate
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keytool -genkey -keyalg RSA -alias <ALIAS> -keystore <OUTPUT_JKS> -storepass <PASSWORD> -validity <VALIDITY> -keysize <RSA_LENGTH>
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## Verifying
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# Check a stand-alone certificate
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keytool -printcert -v -file <INPUT_CRT>
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# Check which certificates are in a Java keystore
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keytool -list -v -keystore <INPUT_JKS>
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# Check a particular keystore entry using an alias
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keytool -list -v -keystore <INPUT_JKS> -alias <ALIAS>
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## Other
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# Remove a certificate from a keystore
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keytool -delete -alias <ALIAS> -keystore <INPUT_JKS>
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# Change the password of a keystore
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keytool -storepasswd -keystore <INPUT_JKS> -new <NEW_PASSWORD>
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# Export a certificate from a keystore
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keytool -export -alias <ALIAS> -file <OUTPUT_CRT> -keystore <INPUT_JKS>
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# List the trusted CA Certs from the default Java Trusted Certs Keystore
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keytool -list -v -keystore $JAVA_HOME/jre/lib/security/cacerts
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# Import New Certificate Authority into the default Java Trusted Certs Keystore
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keytool -import -trustcacerts -file <INPUT_PEM> -alias <ALIAS> -keystore $JAVA_HOME/jre/lib/security/cacerts
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# Sensible/common default alternatives
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$ VALIDITY: printf "DAYS\tCOMMENT\n1\ta day\n30\ta month\n365\ta year\n730\ttwo years" --- --column 1 --headers 1
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$ RSA_LENGTH: printf "KEY LENGTH\tCOMMENT\n2048\t\tDefault\n4096\t\tBetter\n8192\t\tSlow?" --- --column 1 --headers 1
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# Attempt to find files with the appropriate endings, default to everything.
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$ INPUT_CRT: ls -a | grep -e "\(.crt\|.cer\|.der\)" || ls -a
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$ INPUT_PEM: ls -a | grep -e "\(.pem\)" || ls -a
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$ INPUT_JKS: ls -a | grep -e "\(.jks\)" || ls -a
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