Cisco crypto key generate rsa label

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At the same time I'd recommend you to use a modulus of at least , but I usually use The hostname makes no difference in the actual use of the generated keypair. Is my understanding of this correct?

It is not required, but I agree with you that it is nicer at least it looks nicer to have the label read something else than "Router". This is why I always specify the name - then I'm sure it gets the name I want. I tried to send you a message but got denied lol. I did not want to post this here and have it appear as if I am taking over this thread, I think this will be a great learning opportunity for all who read this. I am truly curious on this though because I am wondering if this is a bug or if this is setup intentionally this way.

Do not want this to come across as argumentative, I am just that guy that asks "why" to everything until I figure out down to the last detail as much as I possibly can. Below is a fresh router output that I just ran in GNS3. Notice the change in behavior when the default R1 is used and when I change host name to Router. Enter configuration commands, one per line. R1 config ip domain name test. R1 config crypto key generate rsa. The name for the keys will be: R1.

Choose the size of the key modulus in the range of to for your. General Purpose Keys. Choosing a key modulus greater than may take. R1 config crypto key zeroize rsa. Do you really want to remove these keys? R1 config hostname Router. LenoirINT - I just made request to follow you, so perhaps now you can message me Thanks for the follow though. Just powered my my mini-lab, Router version is Good, so now that makes both my Router and Switch has a nice switch: prompt in need of reimaging If you encounter a technical issue on the site, please open a support case.

Communities: Chinese Japanese Korean. All Rights Reserved. The Cisco Learning Network. Edited by Admin February 16, at AM. The following table provides release information about the feature or features described in this module. This table lists only the software release that introduced support for a given feature in a given software release train.

Unless noted otherwise, subsequent releases of that software release train also support that feature. Feature Name. Software Releases.

Feature Configuration Information. This feature introduces Cisco IOS bit peer public key support. This feature allows you to transfer security credentials between devices by exporting and importing RSA keys. The key pair that is shared between two devices will allow one device to immediately and transparently take over the functionality of the other router. The following commands were introduced or modified by this feature: crypto ca export pkcs12 , crypto ca import pkcs12 , crypto key generate rsa IKE.

The following commands were introduced by this feature: crypto ca export pem , crypto ca import pem , crypto key export pem , crypto key import pem. This feature allows a user to configure a router to have multiple RSA key pairs.

Thus, the Cisco IOS software can maintain a different key pair for each identity certificate. The following commands were introduced or modified by this feature: crypto key generate rsa , crypto key zeroize rsa , rsakeypair.

Protected Private Key Storage. This feature allows a user to encrypt and lock the RSA private keys that are used on a Cisco IOS router, thereby, preventing unauthorized use of the private keys. The following commands were introduced or modified by this feature : crypto key decrypt rsa , crypto key encrypt rsa , crypto key lock rsa , crypto key unlock rsa , show crypto key mypubkey rsa. Welcome to the custom book wizard. Using this tool you can create books containing a custom selection of content.

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Toggle navigation Cisco Content Hub. Command Explorer. Topics Navigation. Recent Chapters. Top Viewed. Note Security threats, as well as the cryptographic technologies to help protect against them, are constantly changing. Caution Do not manually generate an rsa keypair under trustpoint. If we want to manually generate the keys, generate the key pairs as usage-keys and not as general-purpose keys.

Caution Exportable RSA keys should be carefully evaluated before use because using exportable RSA keys introduces the risk that these keys might be exposed. Perform this task to manually generate an RSA key pair.

Enables privileged EXEC mode. Enter your password if prompted. Enters global configuration mode. Router config crypto key generate rsa usage-keys modulus Optional Generates the RSA key pair for the certificate server.

Note Keys created on a USB token must be bits or less. Do not manually generate an rsa keypair under trustpoint. Exits global configuration mode. Router show crypto key mypubkey rsa.

Before you begin. Creates a trustpoint and enters ca-trustpoint configuration mode. Router ca-trustpoint rsakeypair fancy-keys. Router ca-trustpoint enrollment selfsigned. Optional Specifies self-signed enrollment for a trustpoint.

Note This X. Exits ca-trustpoint configuration mode. Generate Self Signed Router Certificate? Router Self Signed Certificate successfully created. Requests the certificates for the router from the trustpoint. Note Use the same trustpoint name entered with the crypto pki trustpoint command. The largest RSA key a router may import is bits.

Router config crypto pki trustpoint my-ca. Router ca-trustpoint rsakeypair my-keys. Specifies the key pair that is to be used with the trustpoint. Exports the RSA keys through the trustpoint name. Imports the RSA keys to the target router. Router config crypto key generate rsa general-keys label mykey exportable. Generates the RSA key pair. Router config crypto pki export mycs pem url nvram: 3des password mypassword The trustpoint name must match the name that was specified through the crypto pki trustpoint command Use the terminal keyword to specify the certificate and RSA key pair that is displayed in PEM format on the console terminal.

Tip Be sure to keep the PEM file safe. Router config crypto pki import mycs2 pem url nvram: password mypassword The trustpoint name must match the name that was specified through the crypto pki trustpoint command Optional Use the check keyword to specify that an outdated certificate is not allowed. Note The password phrase can be any phrase that is at least eight characters in length; it can include spaces and punctuation, excluding the question mark?

Note RSA keys are lost during password recovery operations. Interaction with Applications An encrypted key is not effective after the router boots up until you manually unlock the key via the crypto key unlock rsa command. Router config crypto key encrypt write rsa name pki. Encrypts the RSA keys. Note If the write keyword is not issued, the configuration must be manually written to NVRAM; otherwise, the encrypted key will be lost next time the router is reloaded.

Router crypto key lock rsa name pki. Note After the key is locked, it cannot be used to authenticate the router to a peer device.

Router crypto key unlock rsa name pki. Optional Unlocks the private key. Note After this command is issued, you can continue to establish IKE tunnels. Router config crypto key decrypt write rsa name pki. Router config crypto key zeroize rsa fancy-keys. Deletes RSA key pairs from your router. Router config crypto key zeroize pubkey-chain.

Router A crypto key generate rsa general label mykeys exportable! The name for the keys will be:mynewkp Choose the size of the key modulus in the range of to for your General Purpose Keys. Choosing a key modulus greater than may take a few minutes.

Verifying checksum OK 0x! Router B crypto pki import mynewtp pkcs12 flash:myexport password mypassword Source filename [myexport]? The following example shows the generation, exportation, and importation fo the RSA key pair "mytp", and verifies its status:!

Generate the key pair! Router config crypto key generate rsa general-purpose label mytp exportable The name for the keys will be: mytp Choose the size of the key modulus in the range of to for your General Purpose Keys. Archive the key pair to a remote location, and use a good password. Destination filename [mytp. Writing file to nvram:mytp. Import the key as a different name. Source filename [mytp2. Reading file from nvram:mytp2. After the key has been imported, it is no longer exportable.

Verify the status of the key. Router config crypto key generate rsa general-keys label aaa exportable The name for the keys will be:aaa Choose the size of the key modulus in the range of to for your General Purpose Keys.

You will need to verbally provide this password to the CA Administrator in order to revoke your certificate. For security reasons your password will not be saved in the configuration. Please make a note of it. Address or name of remote host [ Router config. Router config crypto key encrypt rsa name pki Router crypto key lock rsa name pki Table 1. The following commands were introduced by this feature: crypto ca export pem , crypto ca import pem , crypto key export pem , crypto key import pem Multiple RSA Key Pair Support This feature allows a user to configure a router to have multiple RSA key pairs.

The following commands were introduced or modified by this feature: crypto key generate rsa , crypto key zeroize rsa , rsakeypair Protected Private Key Storage This feature allows a user to encrypt and lock the RSA private keys that are used on a Cisco IOS router, thereby, preventing unauthorized use of the private keys.

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Missing Information. Inaccurate Information. Cancel Submit. New Folder Cancel OK. Last Updated Note Tags. Click on the file types below to dowload the content in that format. OK Cancel Yes No. Step 1. Step 2. Step 3. Keys created on a USB token must be bits or less. Step 4. Step 5.

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