azure_iot_jws.h

Go to the documentation of this file.

/* Copyright (c) Microsoft Corporation.
 * Licensed under the MIT License. */
 
#ifndef AZURE_IOT_JWS_H
#define AZURE_IOT_JWS_H
 
#include <stdint.h>
 
#include "azure_iot_result.h"
 
typedef struct AzureIoTJWS_RootKey
{
    uint8_t * pucRootKeyId;           
    uint32_t ulRootKeyIdLength;       
    uint8_t * pucRootKeyN;            
    uint32_t ulRootKeyNLength;        
    uint8_t * pucRootKeyExponent;     
    uint32_t ulRootKeyExponentLength; 
} AzureIoTJWS_RootKey_t;
 
 
#define azureiotjwsRSA3072_SIZE                    384                                              
#define azureiotjwsSHA256_SIZE                     32                                               
#define azureiotjwsJWS_HEADER_SIZE                 1400                                             
#define azureiotjwsJWS_PAYLOAD_SIZE                60                                               
#define azureiotjwsJWK_HEADER_SIZE                 48                                               
#define azureiotjwsJWK_PAYLOAD_SIZE                700                                              
#define azureiotjwsSIGNATURE_SIZE                  400                                              
#define azureiotjwsSIGNING_KEY_E_SIZE              10                                               
#define azureiotjwsSIGNING_KEY_N_SIZE              azureiotjwsRSA3072_SIZE                          
#define azureiotjwsSHA_CALCULATION_SCRATCH_SIZE    azureiotjwsRSA3072_SIZE + azureiotjwsSHA256_SIZE 
#define azureiotjwsSCRATCH_BUFFER_SIZE                                                            \
    ( azureiotjwsJWS_HEADER_SIZE + azureiotjwsJWK_HEADER_SIZE + azureiotjwsJWK_PAYLOAD_SIZE       \
      + azureiotjwsSIGNATURE_SIZE + azureiotjwsSIGNING_KEY_N_SIZE + azureiotjwsSIGNING_KEY_E_SIZE \
      + azureiotjwsSHA_CALCULATION_SCRATCH_SIZE )
 
AzureIoTResult_t AzureIoTJWS_ManifestAuthenticate( const uint8_t * pucManifest,
                                                   uint32_t ulManifestLength,
                                                   uint8_t * pucJWS,
                                                   uint32_t ulJWSLength,
                                                   AzureIoTJWS_RootKey_t * xADURootKeys,
                                                   uint32_t ulADURootKeysLength,
                                                   uint8_t * pucScratchBuffer,
                                                   uint32_t ulScratchBufferLength );
 
#endif /* AZURE_IOT_JWS_H */