key-transform
Transforms an OpenPGP key to PKCS#8 and OpenSSH key format.
Supports RSA, ECDSA and ED25519 keys.
Installation
Install via pipx or uv tool
uv tool install key-transform
# OR
pipx install key-transform
Usage
# Lookup secret key(s) and note key fingerprint
gpg -K
~/.gnupg/pubring.kbx
-------------------------------------------------------------
sec ed25519 2026-02-06 [SC]
972ACF51A09C0259060CFA035432496985998071
uid [ultimate] Test Key <test@example.com>
ssb cv25519 2026-02-06 [E]
ssb rsa3072 2026-02-06 [A]
ssb ed25519 2026-02-06 [A]
ssb nistp256 2026-02-06 [A]
# Export the key
gpg --export-secret-key 972ACF51A09C0259060CFA035432496985998071 > secret_key.gpg
# Transform the key, output will be PKCS#8 and OpenSSH format
key-transform transform secret_key.gpg
#################### PGP Private Key 3F745041AAFE4699CB6FB57F3E311D69E96ADFDD RSAEncryptOrSign 3072 ####################
# SSH Pubkey:
ssh-rsa AAAAB3NzaC1yc2[...]
# PKCS8 Private Key:
-----BEGIN ENCRYPTED PRIVATE KEY-----
MIIHdTBfBgkqhkiG9w0BBQ0wUjAxBgkqhkiG9w0BBQwwJAQQmv1ATOwwehUv7yd6
[...]
Nu6faDf4tiJQCfrBP0OL8Rt4yJTSHk79IZe8tysYfYVc01jl119v3Cc=
-----END ENCRYPTED PRIVATE KEY-----
# OpenSSH Private Key:
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABC4U2kyj10gkOYW
[...]
OxarmihrTQIcdQpD0Ts1NrV9A/eg3Pua+FRmuVVzfY+fT8bP5+ztIQ5SDmcxmDwNLGDY5vD6jcR0
q2Sf5Fl7k1uKj1QmPA==
-----END OPENSSH PRIVATE KEY-----
########################################################################################################################
############### PGP Private Key 82080A5C69729B254E767F10030959F32C2268B7 EdDSA EllipticCurveOID.Ed25519 ################
# SSH Pubkey:
ssh-ed25519 AAAAC3Nza[...]
# PKCS8 Private Key:
-----BEGIN ENCRYPTED PRIVATE KEY-----
MIGjMF8GCSqGSIb3DQEFDTBSMDEGCSqGSIb3DQEFDDAkBBB+N0mJLilE1jtYvYNO
[...]
FmvKKIRiopWgsjUIgcPLRyoDWLdzKg==
-----END ENCRYPTED PRIVATE KEY-----
# OpenSSH Private Key:
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABCUuri5leG0RFKe
[...]
K5+JAItSAMQnM9LV5g4PT6nn56VtsSaM3dF+PM0lSoeJDNkR/6pZ7LLyphCwKQ==
-----END OPENSSH PRIVATE KEY-----
########################################################################################################################
############## PGP Private Key 963E77E42934A3BD5EDB2139527CD0C853415507 ECDSA EllipticCurveOID.NIST_P256 ###############
# SSH Pubkey:
ecdsa-sha2-nistp256 AAAAE2VjZH[...]
# PKCS8 Private Key:
-----BEGIN ENCRYPTED PRIVATE KEY-----
MIH0MF8GCSqGSIb3DQEFDTBSMDEGCSqGSIb3DQEFDDAkBBA1GnMpIItB3JYv51b9
[...]
PZn5p3E77Q==
-----END ENCRYPTED PRIVATE KEY-----
# OpenSSH Private Key:
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABCqT2tcZRsyufkT
[...]
bg==
-----END OPENSSH PRIVATE KEY-----
########################################################################################################################
1 maintainer
Metadata
1 maintainer
Release files for key-transform 1.0.1
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| key_transform-1.0.1.tar.gz | 14.1 kB | Details |
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| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| key_transform-1.0.1-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 19.4 kB
Release files / key_transform-1.0.1.tar.gz
| Download URL | key_transform-1.0.1.tar.gz |
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| Size | 14.1 kB |
| Tags | Source |
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Release files / key_transform-1.0.1-py3-none-any.whl
| Download URL | key_transform-1.0.1-py3-none-any.whl |
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| Size | 5.3 kB |
| Tags | Python 3 |
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