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mukul975
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Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
2.2 KiB
2.2 KiB
API Reference: SSL Certificate Lifecycle Management
cryptography Library - CSR Generation
| Class / Method | Description |
|---|---|
ec.generate_private_key(ec.SECP256R1()) |
Generate ECDSA P-256 private key |
rsa.generate_private_key(65537, 2048) |
Generate RSA 2048-bit private key |
x509.CertificateSigningRequestBuilder() |
Build a PKCS#10 CSR |
.subject_name(x509.Name([...])) |
Set CSR subject |
.add_extension(SubjectAlternativeName(...)) |
Add SAN extension |
.sign(private_key, hashes.SHA256()) |
Sign CSR with private key |
cryptography Library - Certificate Parsing
| Method | Description |
|---|---|
x509.load_pem_x509_certificate(data) |
Parse PEM certificate |
x509.load_der_x509_certificate(data) |
Parse DER certificate |
cert.subject |
Get subject Distinguished Name |
cert.issuer |
Get issuer Distinguished Name |
cert.not_valid_after_utc |
Expiration datetime |
cert.serial_number |
Certificate serial number |
cert.extensions.get_extension_for_oid(OID) |
Get specific extension |
Python ssl Module
| Function | Description |
|---|---|
ssl.create_default_context() |
Create SSL context with system CAs |
ctx.wrap_socket(sock, server_hostname=host) |
TLS handshake |
s.getpeercert(binary_form=True) |
Get DER-encoded server certificate |
s.getpeercert() |
Get parsed certificate dict |
Certificate Types
| Type | Validation | Typical Use |
|---|---|---|
| DV | Domain ownership | Websites, APIs |
| OV | Organization verified | Business applications |
| EV | Full legal verification | E-commerce, banking |
| Wildcard | *.domain.com |
Multi-subdomain |
Python Libraries
| Library | Version | Purpose |
|---|---|---|
cryptography |
>=41.0 | CSR generation, certificate parsing |
ssl |
stdlib | TLS handshake, remote cert fetch |
socket |
stdlib | TCP connections |
References
- cryptography docs: https://cryptography.io/en/latest/x509/
- Let's Encrypt ACME: https://letsencrypt.org/docs/
- OCSP Stapling: https://datatracker.ietf.org/doc/html/rfc6960
- Certificate Transparency: https://certificate.transparency.dev/