OAuth 1.0a 인증 절차

출처 : http://oauth.net/core/diagram.png

A. Consumer Requests (Request Token)

oauth_consumer_key

oauth_signature_method

oauth_signature

oauth_timestamp

oauth_nonce

oauth_version (optional)

oauth_callback

B. Service Provider Grants (Request Token)

oauth_token

oauth_token_secret

oauth_callback_confirmed

C. Consumer Directs User to Service Provider

oauth_token (optional)

D. Service Provider Directs User to Consumer

oauth_token

oauth_verifier

E. Consumer Requests (Access Token)

oauth_consumer_key

oauth_token

oauth_signature_method

oauth_signature

oauth_timestamp

oauth_nonce

oauth_version (optional)

oauth_verifier

F. Service Provider Grants (Access Token)

oauth_token

oauth_token_secret

G. Consumer Accesses Protected Resources

oauth_consumer_key

oauth_token

oauth_signature_method

oauth_signature

oauth_timestamp

oauth_nonce

oauth_version (optional)

관련 소스 : http://oauth.net/code/

닷넷 라이브러리 : http://dotnetopenauth.net/

OAuth PHP 사용관련 정리 : https://www.elance.com/q/api/examples/oauth/php

Using cURL in PHP to access HTTPS (SSL/TLS) protected sites : 

http://unitstep.net/blog/2009/05/05/using-curl-in-php-to-access-https-ssltls-protected-sites/