shimun/solo
1
0
Fork 0
Code Issues Pull Requests Releases 1 Wiki Activity

add initial resident key support

Browse Source
This commit is contained in:
Conor Patrick
2018-11-12 11:51:43 -05:00
committed by Emanuele Cesena
parent 36fdc64fab
commit fc8bc892c1
9 changed files with 325 additions and 96 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
fido2/ctap.h
View File

@@ -111,12 +111,11 @@
#define USER_NAME_LIMIT 65 // Must be minimum of 64 bytes but can be more.
#define CTAP_MAX_MESSAGE_SIZE 1200
#define CREDENTIAL_RK_FLASH_PAD 2 // size of RK should be 8-byte aligned to store in flash easily.
#define CREDENTIAL_TAG_SIZE 16
#define CREDENTIAL_NONCE_SIZE 8
#define CREDENTIAL_NONCE_SIZE (16 + CREDENTIAL_RK_FLASH_PAD)
#define CREDENTIAL_COUNTER_SIZE (4)
#define CREDENTIAL_ENC_SIZE 144 // pad to multiple of 16 bytes
#define CREDENTIAL_PAD_SIZE (CREDENTIAL_ENC_SIZE - (USER_ID_MAX_SIZE + USER_NAME_LIMIT + CREDENTIAL_COUNTER_SIZE + 1))
#define CREDENTIAL_ID_SIZE (CREDENTIAL_TAG_SIZE + CREDENTIAL_NONCE_SIZE + CREDENTIAL_ENC_SIZE)
#define CREDENTIAL_ENC_SIZE 176 // pad to multiple of 16 bytes
#define PUB_KEY_CRED_PUB_KEY 0x01
#define PUB_KEY_CRED_UNKNOWN 0x3F
@@ -143,22 +142,27 @@ typedef struct
uint8_t name[USER_NAME_LIMIT];
}__attribute__((packed)) CTAP_userEntity;
struct Credential {
typedef struct {
uint8_t tag[CREDENTIAL_TAG_SIZE];
uint8_t nonce[CREDENTIAL_NONCE_SIZE];
struct {
CTAP_userEntity user;
uint32_t count;
uint8_t _pad[CREDENTIAL_PAD_SIZE];
} __attribute__((packed)) enc;
uint8_t rpIdHash[32];
uint32_t count;
}__attribute__((packed)) CredentialId;
struct Credential {
CredentialId id;
CTAP_userEntity user;
};
typedef struct Credential CTAP_residentKey;
typedef struct
{
uint8_t aaguid[16];
uint8_t credLenH;
uint8_t credLenL;
struct Credential credential;
CredentialId id;
} __attribute__((packed)) CTAP_attestHeader;
typedef struct