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zircote/ssh.sh

Created September 26, 2011 21:45
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Convert a AWS PEM into a ssh pub key
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ssh.sh
ssh-keygen -y -f private_key1.pem > public_key1.pub
@pony012
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pony012 commented May 26, 2023

@Faishal24 , @ricsaka , maybe you need to pass the param -m PKCS8

ssh-keygen -y -f private_key1.pem -m PKCS8 > public_key1.pub

From the manual:

 -m key_format
        Specify a key format for the -i (import) or -e (export) conversion options.  The
        supported key formats are: “RFC4716” (RFC 4716/SSH2 public or private key), “PKCS8”
        (PEM PKCS8 public key) or “PEM” (PEM public key).  The default conversion format is
        “RFC4716”.

@danelec-hpm
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danelec-hpm commented Jul 10, 2024 •
edited
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My solution to Load key invalid format was to use -i instead of -y
ssh-keygen -i -m PKCS8 -f cert.pem > cert.pub

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