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port to device, working

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This commit is contained in:
Conor Patrick
2018-07-13 20:29:14 -04:00
parent 2a8cda65bd
commit 6e7be67491
11 changed files with 203 additions and 68 deletions
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18
fido2/wallet.c
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@@ -32,8 +32,11 @@ typedef enum
MBEDTLS_ECP_DP_SECP224K1, /*!< 224-bits "Koblitz" curve */
MBEDTLS_ECP_DP_SECP256K1, /*!< 256-bits "Koblitz" curve */
} mbedtls_ecp_group_id;
#else
#include "ecp.h"
#endif
typedef enum
{
WalletSign = 0x10,
@@ -44,14 +47,23 @@ typedef enum
WalletRng = 0x15,
} WalletOperation;
int is_wallet_device(uint8_t * kh, int len)
{
wallet_request * req = (wallet_request *) kh;
if (len < WALLET_MIN_LENGTH)
return 0;
return memcmp(req->tag, WALLET_TAG, sizeof(WALLET_TAG)-1) == 0;
}
// return 1 if hash is valid, 0 otherwise
int check_pinhash(uint8_t * pinAuth, uint8_t * msg, uint8_t len)
{
uint8_t hmac[32];
crypto_sha256_hmac_init(PIN_TOKEN, PIN_TOKEN_SIZE, hmac);
crypto_sha256_update(msg, 4);
crypto_sha256_update(msg+ 4 + 16, len - 4 - 16);
crypto_sha256_update(msg, 8);
crypto_sha256_update(msg+ 8 + 16, len - 8 - 16);
crypto_sha256_hmac_final(PIN_TOKEN, PIN_TOKEN_SIZE, hmac);
return (memcmp(pinAuth, hmac, 16) == 0);
@@ -404,7 +416,7 @@ int16_t bridge_u2f_to_wallet(uint8_t * _chal, uint8_t * _appid, uint8_t klen, ui
break;
case WalletVersion:
u2f_response_writeback(WALLET_VERSION, sizeof(WALLET_VERSION)-1);
u2f_response_writeback((uint8_t*)WALLET_VERSION, sizeof(WALLET_VERSION)-1);
break;
case WalletRng:
printf1(TAG_WALLET,"WalletRng\n");