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/*
This file is part of GNUnet
Copyright (C) 2012-2013 GNUnet e.V.
GNUnet is free software: you can redistribute it and/or modify it
under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
*/
/**
* @file credential/credential.h
* @brief IPC messages between CREDENTIAL API and CREDENTIAL service
* @author Martin Schanzenbach
*/
#ifndef CREDENTIAL_H
#define CREDENTIAL_H
#include "gnunet_credential_service.h"
GNUNET_NETWORK_STRUCT_BEGIN
/**
* Message from client to Credential service to collect credentials.
*/
struct CollectMessage
{
/**
* Header of type #GNUNET_MESSAGE_TYPE_CREDENTIAL_VERIFY
*/
struct GNUNET_MessageHeader header;
/**
* Subject public key
*/
struct GNUNET_CRYPTO_EcdsaPrivateKey subject_key;
/**
* Trust anchor
*/
struct GNUNET_CRYPTO_EcdsaPublicKey issuer_key;
/**
* Length of the issuer attribute
*/
uint16_t issuer_attribute_len;
/**
* Unique identifier for this request (for key collisions).
*/
uint32_t id GNUNET_PACKED;
/* Followed by the zero-terminated attribute */
};
/**
* Message from client to Credential service to verify attributes.
*/
struct VerifyMessage
{
/**
* Header of type #GNUNET_MESSAGE_TYPE_CREDENTIAL_VERIFY
*/
struct GNUNET_MessageHeader header;
/**
* Subject public key
*/
struct GNUNET_CRYPTO_EcdsaPublicKey subject_key;
/**
* Trust anchor
*/
struct GNUNET_CRYPTO_EcdsaPublicKey issuer_key;
/**
* Number of credentials
*/
uint32_t c_count;
/**
* Length of the issuer attribute
*/
uint16_t issuer_attribute_len;
/**
* Unique identifier for this request (for key collisions).
*/
uint32_t id GNUNET_PACKED;
/* Followed by the zero-terminated attribute and credentials to look up */
};
/**
* Message from CREDENTIAL service to client: new results.
*/
struct DelegationChainResultMessage
{
/**
* Header of type #GNUNET_MESSAGE_TYPE_CREDENTIAL_VERIFY_RESULT
*/
struct GNUNET_MessageHeader header;
/**
* Unique identifier for this request (for key collisions).
*/
uint32_t id GNUNET_PACKED;
/**
* Indicates if credential has been found at all
*/
uint32_t cred_found GNUNET_PACKED;
/**
* The number of delegations in the response
*/
uint32_t d_count GNUNET_PACKED;
/**
* The number of credentials in the response
*/
uint32_t c_count GNUNET_PACKED;
/* followed by ad_count GNUNET_CREDENTIAL_RecordData structs*/
};
struct DelegationRecordData
{
/**
* Subject key
*/
struct GNUNET_CRYPTO_EcdsaPublicKey subject_key;
/**
* Subject attributes
*/
uint32_t subject_attribute_len GNUNET_PACKED;
};
struct ChainEntry
{
/**
* Issuer key
*/
struct GNUNET_CRYPTO_EcdsaPublicKey issuer_key;
/**
* Subject key
*/
struct GNUNET_CRYPTO_EcdsaPublicKey subject_key;
/**
* Issuer attributes
*/
uint32_t issuer_attribute_len GNUNET_PACKED;
/**
* Subject attributes
*/
uint32_t subject_attribute_len GNUNET_PACKED;
};
struct CredentialEntry
{
/**
* The signature for this credential by the issuer
*/
struct GNUNET_CRYPTO_EcdsaSignature signature;
/**
* Signature meta
*/
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
/**
* Public key of the issuer
*/
struct GNUNET_CRYPTO_EcdsaPublicKey issuer_key;
/**
* Public key of the subject this credential was issued to
*/
struct GNUNET_CRYPTO_EcdsaPublicKey subject_key;
/**
* Expiration time of this credential
*/
uint64_t expiration GNUNET_PACKED;
/**
* Issuer attribute length
*/
uint32_t issuer_attribute_len;
/**
* Followed by the attribute string
*/
};
GNUNET_NETWORK_STRUCT_END
#endif
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