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  #1  
Old 03-17-2010, 05:26 PM
cr1275 cr1275 is offline
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Converting Putty PPK to SecureCRT Keys Question

I found instructions for converting PuttyGen PPK keys to keys that SecureCRT can use. Here:
http://forums.vandyke.com/showpost.p...95&postcount=2

However, I have a question. Once you convert the key to one SecureCRT can use do you have to change the authorizedkeys file on the servers to use the new key or can you just copy the new private key to the location SecureCRT sessions point to on the local pc without having to setup the authorizedkeys file on each server all over again ?

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Old 03-17-2010, 07:13 PM
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miked miked is offline
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You do not need to modify the authorized_keys file on the server if your public key is already working with that server. Just convert the public and private keys from PuTTY format, then point SecureCRT to the converted private key.
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Old 03-17-2010, 07:36 PM
cr1275 cr1275 is offline
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Perfect

Thanks for the quick response.

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cr1275
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Old 03-17-2010, 07:43 PM
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Excellent. One clarification - make sure to convert both the public and private keys and keep the converted keys in the same directory. SecureCRT expects to find the private key as well as the corresponding public key in the same folder. They should have the same basename (e.g.: Identity and Identity.pub).
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Old 09-01-2010, 11:02 PM
cr1275 cr1275 is offline
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Seems the instructions to convert Putty keys to SCT usable keys have been removed from the forum. Also from the WWW searches.

Can someone please post the instructions for converting a Putty PPK key to one usable by SCT again pretty please ?

Thanks in advance
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Old 09-01-2010, 11:10 PM
cr1275 cr1275 is offline
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My Bad I found it. Here are instructions if anyone recently needs to convert Putty to SCT Keys:

1. Run "puttygen.exe". The "PuTTY Key Generator" dialog will appear.

2. Use the "Load" button to load the .ppk file that contains your private key. If your private key file is protected with a passphrase, you will be prompted to supply the passphrase in order to complete the loading of the private key.

3. Once the private key has been loaded properly, choose "Export OpenSSH key" from the main "Conversions" pull-down menu that is part of the "PuTTY Key Generator" window.

4. When the "Save private key as:" window appears, specify a filename for the private key file such as "Identity" and choose "Save".

NOTE: The private key file name should not have any extension associated with it. For example, if SecureCRT is configured to use a public key named "Identity.pub", it expects to find the private key in the same folder as the public key file, with the name of "Identity".

Similarly, if SecureCRT is confgured to use a private key named "Identity", it expects to find a the public key in a file named "Identity.pub" located in the same folder as the private key file.

Now you will need to export the public key to a file format that follows the IETF SecSH internet-draft.

5. Choose "Save public key". When the "Save public key as:" window appears, specify a filename for the public key file, such as "Identity.pub", and choose "Save".

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