Module credentials 

Credential types, signing, and secret management.

Sub-modules:

• hmac_keystore — in-memory HMAC key store exposed to Python.
• models — models::BucketCredential enum parsed from raw credential strings.
• secrets_proxy — IBM IAM bearer-token exchange and caching.
• signer — AWS Signature Version 4 request signing and verification.

Modules

hmac_keystore

models

secrets_proxy

signer

AWS Signature Version 4 request signing and verification.