Public key cryptography
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Generate a public key from a PEM private key
Generate fingerpring
ssh-keygen -l -f /etc/ssh/ssh_host_XXXXkey.pub
Generate public key from private key:
ssh-keygen -y -f ~/.ssh/id_rsa > ~./.ssh/id_rsa.pub
OpenSSH 7.6 (2017)
- Refuse keys <1024 bits in length and improve reporting for keys that do not meet this requirement.
Related terms
ssh-copy-id
ssh-keygen
andputtygen
- sshd logs: Failed publickey for
- Athena IDProtect card
- Minerva attack
- Cisco IOS: Configure public RSA key authentication
- Whitfield Diffie
- Key length
- RSA, DSA, ECDSA and ed25519.
See also
- SSH:
ssh
, TLS,.ppk, .pem, .crt, .pub
, ED25519, Key exchange method (KEX), public key, private key,ssh -Q kex
,IAMUserSSHKeys
,known_hosts
, ssh tunnel, Dropbear - Public key certificate
- CA, Root Certificates, FreeIPA, PKI, OpenCA, Wildcard certificate,
certtool
,certbot
(Let's Encrypt),certinfo
(Cloudflare), ACME, Boulder,cfssl
(Cloudflare), Public key certificate, public key, TLS and X.509, OCSP, Subject Alternative Name (SAN),openssl ca
, Self signed certificate, CSR,keytool
, ACM, KMS,aws acm
, IdenTrust, multirootca, cert-manager, ca_cert_identifier
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