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#include <cn-cbor/cn-cbor.h>
#include "configure.h"
typedef unsigned char byte;
typedef struct _cose * HCOSE;
typedef struct _cose_sign * HCOSE_SIGN;
typedef struct _cose_signer * HCOSE_SIGNER;
typedef struct _cose_sign0 * HCOSE_SIGN0;
typedef struct _cose_encrypt * HCOSE_ENCRYPT;
typedef struct _cose_enveloped * HCOSE_ENVELOPED;
typedef struct _cose_recipient * HCOSE_RECIPIENT;
typedef struct _cose_mac * HCOSE_MAC;
typedef struct _cose_mac0 * HCOSE_MAC0;
typedef struct _cose_counterSignature * HCOSE_COUNTERSIGN;
/**
* All of the different kinds of errors
*/
typedef enum cose_error {
/** No error has occurred */
COSE_ERR_NONE,
/** An invalid parameter was passed to a function */
COSE_ERR_INVALID_PARAMETER,
COSE_ERR_INVALID_HANDLE,
/** Allocation failed */
COSE_ERR_OUT_OF_MEMORY,
/** Error in processing CBOR */
COSE_ERR_CBOR,
/** Unknown algorithm found */
COSE_ERR_UNKNOWN_ALGORITHM,
/** No usable recipient found */
COSE_ERR_NO_RECIPIENT_FOUND,
/** Decryption operation failed */
COSE_ERR_DECRYPT_FAILED,
/** Cryptographic failure */
COSE_ERR_CRYPTO_FAIL,
/** Internal Error */
COSE_ERR_INTERNAL,
/** Type is not supported */
COSE_ERR_UNSUPPORTED_COSE_TYPE
} cose_error;
typedef enum cose_init_flags {
COSE_INIT_FLAGS_NONE=0,
COSE_INIT_FLAGS_DETACHED_CONTENT=1,
COSE_INIT_FLAGS_NO_CBOR_TAG=2,
COSE_INIT_FLAGS_ZERO_FORM=4
} COSE_INIT_FLAGS;
/**
* Errors
*/
typedef struct _cose_errback {
/** The error, or CN_CBOR_NO_ERROR if none */
cose_error err;
} cose_errback;
typedef enum {
COSE_unknown_object = 0,
COSE_sign_object = 98,
COSE_sign0_object = 18,
COSE_enveloped_object = 96,
COSE_encrypt_object = 16,
COSE_mac_object = 97,
COSE_mac0_object = 17,
COSE_recipient_object = -1
} COSE_object_type;
// Generic functions for the COSE library
HCOSE COSE_Decode(const byte * rgbData, size_t cbData, int * type, COSE_object_type struct_type, CBOR_CONTEXT_COMMA cose_errback * perr); // Decode the object
size_t COSE_Encode(HCOSE msg, byte * rgb, size_t ib, size_t cb);
cn_cbor * COSE_get_cbor(HCOSE hmsg);
// Functions for the signing object
typedef enum {
COSE_PROTECT_ONLY = 1,
COSE_UNPROTECT_ONLY = 2,
COSE_DONT_SEND = 4,
COSE_BOTH = 7
} cose_protect_state;
typedef enum {
COSE_Algorithm_AES_GCM_128 = 1,
COSE_Algorithm_AES_GCM_192 = 2,
COSE_Algorithm_AES_GCM_256 = 3,
COSE_Algorithm_HMAC_256_64 = 4,
COSE_Algorithm_HMAC_256_256 = 5,
COSE_Algorithm_HMAC_384_384 = 6,
COSE_Algorithm_HMAC_512_512 = 7,
COSE_Algorithm_CBC_MAC_128_64 = 14,
COSE_Algorithm_CBC_MAC_256_64 = 15,
COSE_Algorithm_CBC_MAC_128_128 = 25,
COSE_Algorithm_CBC_MAC_256_128 = 26,
COSE_Algorithm_AES_CCM_16_64_128 = 10,
COSE_Algorithm_AES_CCM_16_64_256 = 11,
COSE_Algorithm_AES_CCM_64_64_128 = 12,
COSE_Algorithm_AES_CCM_64_64_256 = 13,
COSE_Algorithm_AES_CCM_16_128_128 = 30,
COSE_Algorithm_AES_CCM_16_128_256 = 31,
COSE_Algorithm_AES_CCM_64_128_128 = 32,
COSE_Algorithm_AES_CCM_64_128_256 = 33,
COSE_Algorithm_ECDH_ES_HKDF_256 = -25,
COSE_Algorithm_ECDH_ES_HKDF_512 = -26,
COSE_Algorithm_ECDH_SS_HKDF_256 = -27,
COSE_Algorithm_ECDH_SS_HKDF_512 = -28,
COSE_Algorithm_ECDH_ES_A128KW = -29,
COSE_Algorithm_ECDH_ES_A192KW = -30,
COSE_Algorithm_ECDH_ES_A256KW = -31,
COSE_Algorithm_ECDH_SS_A128KW = -32,
COSE_Algorithm_ECDH_SS_A192KW = -33,
COSE_Algorithm_ECDH_SS_A256KW = -34,
COSE_Algorithm_AES_KW_128 = -3,
COSE_Algorithm_AES_KW_192 = -4,
COSE_Algorithm_AES_KW_256 = -5,
COSE_Algorithm_Direct = -6,
COSE_Algorithm_Direct_HKDF_HMAC_SHA_256 = -10,
COSE_Algorithm_Direct_HKDF_HMAC_SHA_512 = -11,
COSE_Algorithm_Direct_HKDF_AES_128 = -12,
COSE_Algorithm_Direct_HKDF_AES_256 = -13,
// COSE_Algorithm_PS256 = -8,
// COSE_Algorithm_PS384 = -37,
// COSE_Algorithm_PS512 = -38,
COSE_Algorithm_ECDSA_SHA_256 = -7,
COSE_Algorithm_ECDSA_SHA_384 = -35,
COSE_Algorithm_ECDSA_SHA_512 = -36,
} COSE_Algorithms;
typedef enum {
COSE_Header_Algorithm = 1,
COSE_Header_Critical = 2,
COSE_Header_Content_Type = 3,
COSE_Header_KID = 4,
COSE_Header_IV = 5,
COSE_Header_Partial_IV = 6,
COSE_Header_CounterSign = 7,
COSE_Header_Operation_Time = 8,
COSE_Header_HKDF_salt = -20,
COSE_Header_KDF_U_name = -21,
COSE_Header_KDF_U_nonce = -22,
COSE_Header_KDF_U_other = -23,
COSE_Header_KDF_V_name = -24,
COSE_Header_KDF_V_nonce = -25,
COSE_Header_KDF_V_other = -26,
COSE_Header_KDF_PUB_other = -999,
COSE_Header_KDF_PRIV = -998,
COSE_Header_UseCompressedECDH = -997,
COSE_Header_ECDH_EPHEMERAL = -1,
COSE_Header_ECDH_STATIC = -2,
COSE_Header_ECDH_EPK = -1,
COSE_Header_ECDH_SPK = -2,
COSE_Header_ECDH_SPK_KID = -3,
} COSE_Header;
typedef enum {
COSE_Key_Type_EC2 = 2,
COSE_Key_Type_OCTET = 4,
COSE_Key_Type = 1,
COSE_Key_ID = 2,
COSE_Parameter_KID = 4,
COSE_Key_EC2_Curve=-1,
COSE_Key_EC2_X = -2,
COSE_Key_EC2_Y = -3
} COSE_Constants;
/*
* messages dealing with the Enveloped message type
*/
HCOSE_ENVELOPED COSE_Enveloped_Init(COSE_INIT_FLAGS flags, CBOR_CONTEXT_COMMA cose_errback * perr);
bool COSE_Enveloped_Free(HCOSE_ENVELOPED cose);
cn_cbor * COSE_Enveloped_map_get_int(HCOSE_ENVELOPED cose, int key, int flags, cose_errback * errp);
cn_cbor * COSE_Enveloped_map_get_string(HCOSE_ENVELOPED cose, const char * key, int flags, cose_errback * errp);
bool COSE_Enveloped_map_put_int(HCOSE_ENVELOPED cose, int key, cn_cbor * value, int flags, cose_errback * errp);
bool COSE_Enveloped_map_put_string(HCOSE_ENVELOPED cose, int key, cn_cbor * value, int flags, cose_errback * errp);
bool COSE_Enveloped_SetContent(HCOSE_ENVELOPED cose, const byte * rgbContent, size_t cbContent, cose_errback * errp);
byte * COSE_Enveloped_GetContent(HCOSE_ENVELOPED cose, size_t * pcbContent, cose_errback * errp);
bool COSE_Enveloped_SetExternal(HCOSE_ENVELOPED hcose, const byte * pbExternalData, size_t cbExternalData, cose_errback * perr);
bool COSE_Enveloped_encrypt(HCOSE_ENVELOPED cose, cose_errback * perror);
bool COSE_Enveloped_decrypt(HCOSE_ENVELOPED, HCOSE_RECIPIENT, cose_errback * perr);
extern bool COSE_Enveloped_AddRecipient(HCOSE_ENVELOPED hMac, HCOSE_RECIPIENT hRecip, cose_errback * perr);
HCOSE_RECIPIENT COSE_Enveloped_GetRecipient(HCOSE_ENVELOPED cose, int iRecipient, cose_errback * perr);
extern bool COSE_Enveloped_AddCounterSigner(HCOSE_ENCRYPT hEnv, HCOSE_COUNTERSIGN hSign, cose_errback * perr);
HCOSE_COUNTERSIGN COSE_Enveloped_GetCounterSigner(HCOSE_ENCRYPT, int iSigner, cose_errback * perr);
/*
*/
HCOSE_RECIPIENT COSE_Recipient_Init(COSE_INIT_FLAGS flags, CBOR_CONTEXT_COMMA cose_errback * perror);
bool COSE_Recipient_Free(HCOSE_RECIPIENT cose);
HCOSE_RECIPIENT COSE_Recipient_from_shared_secret(byte * rgbKey, int cbKey, byte * rgbKid, int cbKid, CBOR_CONTEXT_COMMA cose_errback * perr);
bool COSE_Recipient_SetKey_secret(HCOSE_RECIPIENT h, const byte * rgb, int cb, const byte * rgbKid, int cbKid, cose_errback * perr);
bool COSE_Recipient_SetKey(HCOSE_RECIPIENT h, const cn_cbor * pKey, cose_errback * perror);
bool COSE_Recipient_SetSenderKey(HCOSE_RECIPIENT h, const cn_cbor * pKey, int destination, cose_errback * perror);
bool COSE_Recipient_SetExternal(HCOSE_RECIPIENT hcose, const byte * pbExternalData, size_t cbExternalData, cose_errback * perr);
bool COSE_Recipient_map_put_int(HCOSE_RECIPIENT h, int key, cn_cbor * value, int flags, cose_errback * perror);
cn_cbor * COSE_Recipient_map_get_string(HCOSE_RECIPIENT cose, const char * key, int flags, cose_errback * errp);
cn_cbor * COSE_Recipient_map_get_int(HCOSE_RECIPIENT cose, int key, int flags, cose_errback * errp);
extern bool COSE_Recipient_AddRecipient(HCOSE_RECIPIENT hMac, HCOSE_RECIPIENT hRecip, cose_errback * perr);
HCOSE_RECIPIENT COSE_Recipient_GetRecipient(HCOSE_RECIPIENT cose, int iRecipient, cose_errback * perr);
/*
* Encrypt message API
*/
HCOSE_ENCRYPT COSE_Encrypt_Init(COSE_INIT_FLAGS flags, CBOR_CONTEXT_COMMA cose_errback * perr);
bool COSE_Encrypt_Free(HCOSE_ENCRYPT cose);
cn_cbor * COSE_Encrypt_map_get_int(HCOSE_ENCRYPT cose, int key, int flags, cose_errback * errp);
cn_cbor * COSE_Encrypt_map_get_string(HCOSE_ENCRYPT cose, const char * key, int flags, cose_errback * errp);
bool COSE_Encrypt_map_put_int(HCOSE_ENCRYPT cose, int key, cn_cbor * value, int flags, cose_errback * errp);
bool COSE_Encrypt_map_put_string(HCOSE_ENCRYPT cose, int key, cn_cbor * value, int flags, cose_errback * errp);
bool COSE_Encrypt_SetContent(HCOSE_ENCRYPT cose, const byte * rgbContent, size_t cbContent, cose_errback * errp);
byte * COSE_Encrypt_GetContent(HCOSE_ENCRYPT cose, size_t * pcbContent, cose_errback * errp);
bool COSE_Encrypt_SetExternal(HCOSE_ENCRYPT hcose, const byte * pbExternalData, size_t cbExternalData, cose_errback * perr);
bool COSE_Encrypt_encrypt(HCOSE_ENCRYPT cose, const byte * pbKey, size_t cbKey, cose_errback * perror);
bool COSE_Encrypt_decrypt(HCOSE_ENCRYPT, const byte * pbKey, size_t cbKey, cose_errback * perr);
//
//
HCOSE_MAC COSE_Mac_Init(COSE_INIT_FLAGS flags, CBOR_CONTEXT_COMMA cose_errback * perr);
bool COSE_Mac_Free(HCOSE_MAC cose);
bool COSE_Mac_SetContent(HCOSE_MAC cose, const byte * rgbContent, size_t cbContent, cose_errback * errp);
bool COSE_Mac_SetExternal(HCOSE_MAC hcose, const byte * pbExternalData, size_t cbExternalData, cose_errback * perr);
cn_cbor * COSE_Mac_map_get_int(HCOSE_MAC h, int key, int flags, cose_errback * perror);
bool COSE_Mac_map_put_int(HCOSE_MAC cose, int key, cn_cbor * value, int flags, cose_errback * errp);
bool COSE_Mac_encrypt(HCOSE_MAC cose, cose_errback * perror);
bool COSE_Mac_validate(HCOSE_MAC, HCOSE_RECIPIENT, cose_errback * perr);
extern bool COSE_Mac_AddRecipient(HCOSE_MAC hMac, HCOSE_RECIPIENT hRecip, cose_errback * perr);
HCOSE_RECIPIENT COSE_Mac_GetRecipient(HCOSE_MAC cose, int iRecipient, cose_errback * perr);
// MAC0 calls
HCOSE_MAC0 COSE_Mac0_Init(COSE_INIT_FLAGS flags, CBOR_CONTEXT_COMMA cose_errback * perr);
bool COSE_Mac0_Free(HCOSE_MAC0 cose);
bool COSE_Mac0_SetContent(HCOSE_MAC0 cose, const byte * rgbContent, size_t cbContent, cose_errback * errp);
bool COSE_Mac0_SetExternal(HCOSE_MAC0 hcose, const byte * pbExternalData, size_t cbExternalData, cose_errback * perr);
cn_cbor * COSE_Mac0_map_get_int(HCOSE_MAC0 h, int key, int flags, cose_errback * perror);
bool COSE_Mac0_map_put_int(HCOSE_MAC0 cose, int key, cn_cbor * value, int flags, cose_errback * errp);
bool COSE_Mac0_encrypt(HCOSE_MAC0 cose, const byte * pbKey, size_t cbKey, cose_errback * perror);
bool COSE_Mac0_validate(HCOSE_MAC0, const byte * pbKey, size_t cbKey, cose_errback * perr);
//
//
HCOSE_SIGN COSE_Sign_Init(COSE_INIT_FLAGS flags, CBOR_CONTEXT_COMMA cose_errback * perr);
bool COSE_Sign_Free(HCOSE_SIGN cose);
bool COSE_Sign_SetContent(HCOSE_SIGN cose, const byte * rgbContent, size_t cbContent, cose_errback * errp);
HCOSE_SIGNER COSE_Sign_add_signer(HCOSE_SIGN cose, const cn_cbor * pkey, int algId, cose_errback * perr);
extern bool COSE_Sign_AddSigner(HCOSE_SIGN hSign, HCOSE_SIGNER hSigner, cose_errback * perr);
bool COSE_Sign_Sign(HCOSE_SIGN h, cose_errback * perr);
HCOSE_SIGNER COSE_Sign_GetSigner(HCOSE_SIGN cose, int iSigner, cose_errback * perr);
bool COSE_Sign_validate(HCOSE_SIGN hSign, HCOSE_SIGNER hSigner, cose_errback * perr);
cn_cbor * COSE_Sign_map_get_int(HCOSE_SIGN h, int key, int flags, cose_errback * perror);
bool COSE_Sign_map_put_int(HCOSE_SIGN cose, int key, cn_cbor * value, int flags, cose_errback * errp);
HCOSE_SIGNER COSE_Signer_Init(CBOR_CONTEXT_COMMA cose_errback * perror);
bool COSE_Signer_Free(HCOSE_SIGNER cose);
bool COSE_Signer_SetKey(HCOSE_SIGNER hSigner, const cn_cbor * pkey, cose_errback * perr);
extern cn_cbor * COSE_Signer_map_get_int(HCOSE_SIGNER h, int key, int flags, cose_errback * perr);
extern bool COSE_Signer_map_put_int(HCOSE_SIGNER cose, int key, cn_cbor * value, int flags, cose_errback * errp);
bool COSE_Signer_SetExternal(HCOSE_SIGNER hcose, const byte * pbExternalData, size_t cbExternalData, cose_errback * perr);
/*
* Sign routines
*/
HCOSE_SIGN0 COSE_Sign0_Init(COSE_INIT_FLAGS flags, CBOR_CONTEXT_COMMA cose_errback * perr);
bool COSE_Sign0_Free(HCOSE_SIGN0 cose);
bool COSE_Sign0_SetContent(HCOSE_SIGN0 cose, const byte * rgbContent, size_t cbContent, cose_errback * errp);
bool COSE_Sign0_SetExternal(HCOSE_SIGN0 hcose, const byte * pbExternalData, size_t cbExternalData, cose_errback * perr);
bool COSE_Sign0_Sign(HCOSE_SIGN0 h, const cn_cbor * pkey, cose_errback * perr);
bool COSE_Sign0_validate(HCOSE_SIGN0 hSign, const cn_cbor * pkey, cose_errback * perr);
cn_cbor * COSE_Sign0_map_get_int(HCOSE_SIGN0 h, int key, int flags, cose_errback * perror);
bool COSE_Sign0_map_put_int(HCOSE_SIGN0 cose, int key, cn_cbor * value, int flags, cose_errback * errp);
/*
* Counter Signature Routines
*/
HCOSE_COUNTERSIGN COSE_CounterSign_Init(COSE_INIT_FLAGS flags, CBOR_CONTEXT_COMMA cose_errback * perr);
bool COSE_CounterSign_Free(HCOSE_COUNTERSIGN cose);
cn_cbor * COSE_CounterSign_map_get_int(HCOSE_COUNTERSIGN h, int key, int flags, cose_errback * perror);
bool COSE_CounterSign_map_put_int(HCOSE_COUNTERSIGN cose, int key, cn_cbor * value, int flags, cose_errback * errp);
/*
*/
extern cn_cbor * cn_cbor_clone(const cn_cbor * pIn, CBOR_CONTEXT_COMMA cn_cbor_errback * perr);
extern cn_cbor * cn_cbor_tag_create(int tag, cn_cbor * child, CBOR_CONTEXT_COMMA cn_cbor_errback * perr);
extern cn_cbor * cn_cbor_bool_create(int boolValue, CBOR_CONTEXT_COMMA cn_cbor_errback * errp);
extern cn_cbor * cn_cbor_null_create(CBOR_CONTEXT_COMMA cn_cbor_errback * errp);