| assume_role_with_web_identity | Assume Role with AWS Web Identity |
| canonical_request | Construct a Canonical Request |
| default_credentials_file | Use Credentials from .aws/credentials File |
| locate_credentials | Locate AWS Credentials |
| read_credentials | Use Credentials from .aws/credentials File |
| signature_v2_auth | Signature Version 2 |
| signature_v4 | Signature Version 4 |
| signature_v4_auth | Signature Version 4 |
| string_to_sign | Construct a String To Sign |
| use_credentials | Use Credentials from .aws/credentials File |