Ed25519 Private Key (PEM)
An Ed25519 private key in PKCS#8 PEM, derived from a fixed seed: a published, sample-only modern elliptic-curve key for testing PEM parsers and Ed25519 tooling. Never use it for real.
-----BEGIN PRIVATE KEY-----
MC4CAQAwBQYDK2VwBCIEIAABAgMEBQYHCAkKCwwNDg8QERITFBUWFxgZGhscHR4f
-----END PRIVATE KEY-----
Specifications
- Format
- PKCS#8 (PEM)
- Algorithm
- Ed25519
- Encrypted
- false
- Sample Only
- true
- Warning
- published sample key: never use in production
Testing contract
Expected to pass- Scenario
- Exercise Ed25519 Private Key (PEM) in its security workflow. An Ed25519 private key in PKCS#8 PEM, derived from a fixed seed: a published, sample-only modern elliptic-curve key for testing PEM parsers and Ed25519 tooling.
- Expected result
- 3 text lines, decoded as UTF-8; first nonempty line is '-----BEGIN PRIVATE KEY-----'. Declared feature checks: algorithm=Ed25519; encrypted=False; warning=published sample key. Never use in production.
What is a .key file?
A .key file holds a private key, usually PEM-encoded in PKCS#8 (BEGIN PRIVATE KEY) or a key-type-specific format. It is the secret half of a TLS or SSH identity and must normally be protected. The examples here are published, sample-only keys that must never be used in production.
How to use this file
Use an example .key to test PEM key parsers, PKCS#8 decoders, and key-format converters (for example PEM to DER or OpenSSH). These are deliberately published sample keys, for parser testing only, never for real use.
How to use this file for testing
“Ed25519 Private Key (PEM)” is a deterministic Testaroo fixture for Certificate & key testing, Editor testing. Self-signed X.509 certificates (PEM, CRT, DER), a CSR, RSA and Ed25519 keys, an SSH public key, a PKCS#12 bundle, and an htpasswd file, all published sample-only material, for testing certificate parsers, TLS tooling, keystore importers, and PEM/DER decoders.
Documented properties for this file: Ed25519 · PKCS#8 (PEM). Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.
Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such, expect parsers to fail loudly rather than silently accept them.
Data fixtures document their exact quirks (delimiters, encodings, null handling, schema, and row counts) in the spec table. Point your parser or importer at the file and assert it handles the documented edge cases; clean and deliberately-messy siblings make before/after diffs straightforward.
This is a published, sample-only certificate/key. Parse it, verify the chain or signature, and test PEM↔DER conversion, never deploy it anywhere real.
Generated by generation/pki_security.py. Free for any use, no attribution required, license.
Related files
- csrCertificate Signing Request (CSR)A PKCS#10 certificate signing request (PEM) with the subject and SAN, self-signed by the RSA key to prove key possession, for testing CSR parsers and certificate-authority intake flows.

- htpasswdhtpasswd (HTTP Basic Auth)An Apache/nginx .htpasswd file with two users hashed using the {SHA} scheme (Base64 SHA-1): the sample passwords are documented in the file, for testing Basic-Auth credential parsers and hash identification.

- keyRSA 2048 Private Key (PEM)A 2048-bit RSA private key in unencrypted PKCS#8 PEM: a deliberately PUBLISHED, sample-only key for testing PEM key parsers and PKCS#8 decoders. Never use it for anything real.

- pubSSH Public Key (Ed25519)An OpenSSH-format Ed25519 public key (the shareable half of the key pair): a single line of algorithm, Base64 key blob, and comment, for testing SSH public-key parsers and authorized_keys tooling.

- crtX.509 Certificate (.crt)The same self-signed certificate under the conventional .crt extension (PEM-encoded), for testing trust-store importers and tools that key off the .crt extension. Sample only.

- derX.509 Certificate (DER)The binary DER encoding of the same certificate, for testing ASN.1/DER parsers, Java keystores, and DER-to-PEM converters. Published sample certificate, not a real identity.
