From 1cf94228eb5adec4300de74646017539c1126701 Mon Sep 17 00:00:00 2001 From: Richard Levitte Date: Mon, 22 Sep 2008 20:27:37 +0000 Subject: [PATCH] We don't need the common directory any more --- common/aes128.c | 288 ---------------------------------------------- common/aes128.h | 13 --- common/ykutil.c | 141 ----------------------- common/ykutil.h | 19 --- common/yubikey.c | 293 ----------------------------------------------- common/yubikey.h | 40 ------- 6 files changed, 794 deletions(-) delete mode 100644 common/aes128.c delete mode 100644 common/aes128.h delete mode 100644 common/ykutil.c delete mode 100644 common/ykutil.h delete mode 100644 common/yubikey.c delete mode 100644 common/yubikey.h diff --git a/common/aes128.c b/common/aes128.c deleted file mode 100644 index 843bf94..0000000 --- a/common/aes128.c +++ /dev/null @@ -1,288 +0,0 @@ -/************************************************************************* -** ** -** A E S 1 2 8 - AES-128 encryption and decryption ** -** ** -** Copyright 2008 Yubico AB ** -** ** -** Date / Sig / Rev / History ** -** 2008-06-05 / J E / 0.00 / Main ** -** ** -*************************************************************************/ - -#include "aes128.h" -#include - -#define NUMBER_OF_ROUNDS 10 - -static const unsigned char RC[] = - { 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36 }; - -static const unsigned char sbox[] = { - 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, - 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, - 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, - 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, - 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, - 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, - 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, - 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, - 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, - 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, - 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, - 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, - 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, - 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, - 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, - 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, - 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, - 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, - 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, - 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, - 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, - 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, - 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, - 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, - 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, - 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, - 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, - 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, - 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, - 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, - 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, - 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 -}; - -static const unsigned char inv_sbox[] = { - 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, - 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, - 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, - 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, - 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, - 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, - 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, - 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, - 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, - 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, - 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, - 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, - 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, - 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, - 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, - 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, - 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, - 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, - 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, - 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, - 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, - 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, - 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, - 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, - 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, - 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, - 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, - 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, - 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, - 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, - 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d -}; - -static unsigned char xtime(unsigned char b) { - return (b & 0x80) ? ((b << 1) ^ 0x1b) : (b << 1); -} - -/************************************************************************* -** function aesEncrypt ** -** Encrypts a single AES-128 block ** -** ** -** void aesEncrypt(unsigned char *state, const unsigned char *key) ** -** ** -** Where: ** -** "state" is state buffer, i.e. plaintext in, ciphertext out ** -** "key" is pointer to AES key ** -** ** -*************************************************************************/ - -void aesEncrypt(unsigned char *state, const unsigned char *key) -{ - unsigned char i, j, k, tmp, round_key[0x10]; - - memcpy(round_key, key, sizeof(round_key)); - - for (i = 0; i < 16; i++) state[i] ^= key[i]; - - for (i = 0; i < NUMBER_OF_ROUNDS; i++) { - - // byte_sub_shift_row(state); - - /* First row: 0 shift, 0 4 8 12 */ - state[0] = sbox[state[0]]; - state[4] = sbox[state[4]]; - state[8] = sbox[state[8]]; - state[12] = sbox[state[12]]; - - /* Second row: 1 shift, 1 5 9 13 */ - tmp = state[1]; - state[1] = sbox[state[5]]; - state[5] = sbox[state[9]]; - state[9] = sbox[state[13]]; - state[13] = sbox[tmp]; - - /* Third row: 2 shift, 2 6 10 14 */ - tmp = state[2]; - state[2] = sbox[state[10]]; - state[10] = sbox[tmp]; - tmp = state[6]; - state[6] = sbox[state[14]]; - state[14] = sbox[tmp]; - - /* Fourth row: 3 shift, 3 7 11 15 */ - tmp = state[15]; - state[15] = sbox[state[11]]; - state[11] = sbox[state[7]]; - state[7] = sbox[state[3]]; - state[3] = sbox[tmp]; - - if (i != (NUMBER_OF_ROUNDS - 1)) { - - // mix_column(state); - - for (k = 0; k < 16; k += 4) { - - j = state[k] ^ state[k + 1]; - tmp = j ^ state[k + 2] ^ state[k + 3]; - - j = xtime(j); - - state[k] ^= (j ^ tmp); - - j = state[k + 1] ^ state[k + 2]; - j = xtime(j); - - state[k + 1] ^= (j ^ tmp); - - j = state[k + 2] ^ state[k + 3]; - j = xtime(j); - - state[k + 2] ^= (j ^ tmp); - state[k + 3] = state[k] ^ state[k + 1] ^ state[k + 2] ^ tmp; - } - } - - round_key[0] ^= RC[i]; - - round_key[0] ^= sbox[round_key[13]]; - round_key[1] ^= sbox[round_key[14]]; - round_key[2] ^= sbox[round_key[15]]; - round_key[3] ^= sbox[round_key[12]]; - - for (k = 4; k < 16; k++) round_key[k] ^= round_key[k - 4]; - - // add_round_key(state, round_key); - - for (j = 0; j < 16; j++) state[j] ^= round_key[j]; - } -} - -/************************************************************************* -** function aesDecrypt ** -** Decrypts a single AES-128 block ** -** ** -** void aesDecrypt(unsigned char *state, const unsigned char *key) ** -** ** -** Where: ** -** "state" is state buffer, i.e. ciphertext in, plaintext out ** -** "key" is pointer to AES key ** -** ** -*************************************************************************/ - -void aesDecrypt(unsigned char *state, const unsigned char *key) -{ - unsigned char i, j, round_key[0x10]; - unsigned char a02x, a13x; - unsigned char a02xx, a13xx; - unsigned char k1, k2; - - memcpy(round_key, key, sizeof(round_key)); - for (i = 0; i < NUMBER_OF_ROUNDS; i++) { - round_key[0] ^= RC[i]; - - round_key[0] ^= sbox[round_key[13]]; - round_key[1] ^= sbox[round_key[14]]; - round_key[2] ^= sbox[round_key[15]]; - round_key[3] ^= sbox[round_key[12]]; - - for (j = 4; j < 16; j++) round_key[j] ^= round_key[j - 4]; - } - for (i = 0; i < 0x10; i++) state[i] ^= round_key[i]; - - for (i = 1; i <= NUMBER_OF_ROUNDS; i++) { - // inv_byte_sub_shift_row(); - - /* First row: 0 shift, 0 4 8 12 */ - state[0] = inv_sbox[state[0]]; - state[4] = inv_sbox[state[4]]; - state[8] = inv_sbox[state[8]]; - state[12] = inv_sbox[state[12]]; - - /* Second row: -1 shift, 1 5 9 13 */ - j = state[13]; - state[13] = inv_sbox[state[9]]; - state[9] = inv_sbox[state[5]]; - state[5] = inv_sbox[state[1]]; - state[1] = inv_sbox[j]; - - /* Third row: -2 shift, 2 6 10 14 */ - j = state[2]; - state[2] = inv_sbox[state[10]]; - state[10] = inv_sbox[j]; - j = state[6]; - state[6] = inv_sbox[state[14]]; - state[14] = inv_sbox[j]; - - /* Fourth row: -3 shift, 3 7 11 15 */ - j = state[3]; - state[3] = inv_sbox[state[7]]; - state[7] = inv_sbox[state[11]]; - state[11] = inv_sbox[state[15]]; - state[15] = inv_sbox[j]; - -// get_inv_round_key(i); - - for (j = 15; j > 3; j--) round_key[j] ^= round_key[j - 4]; - - round_key[0] ^= (RC[NUMBER_OF_ROUNDS - i] ^ sbox[round_key[13]]); - - round_key[1] ^= sbox[round_key[14]]; - round_key[2] ^= sbox[round_key[15]]; - round_key[3] ^= sbox[round_key[12]]; - - for (j = 0; j < 16; j++) state[j] ^= round_key[j]; - if (i != NUMBER_OF_ROUNDS) { - - //inv_mix_column(); - - for (j = 0; j < 16; j += 4) { - k1 = state[j] ^ state[j + 2]; - a02x = xtime(k1); - k2 = state[j + 1] ^ state[j + 3]; - a13x = xtime(k2); - - k1 ^= (k2 ^ xtime(state[j + 1] ^ state[j + 2])); - k2 = k1; - - a02xx = xtime(a02x); - a13xx = xtime(a13x); - - k1 ^= (xtime(a02xx ^ a13xx) ^ a02xx); - k2 ^= (xtime(a02xx ^ a13xx) ^ a13xx); - - state[j] ^= (k1 ^ a02x); - state[j + 1] ^= k2; - state[j + 2] ^= (k1 ^ a13x); - state[j + 3] ^= (k2 ^ a02x ^ a13x); - } - } - - } -} diff --git a/common/aes128.h b/common/aes128.h deleted file mode 100644 index ad526cf..0000000 --- a/common/aes128.h +++ /dev/null @@ -1,13 +0,0 @@ -/************************************************************************* -** ** -** A E S 1 2 8 - AES-128 encryption and decryption ** -** ** -** Copyright 2008 Yubico AB ** -** ** -** Date / Sig / Rev / History ** -** 2008-06-05 / J E / 0.00 / Main ** -** ** -*************************************************************************/ - -extern void aesEncrypt(unsigned char *state, const unsigned char *key); -extern void aesDecrypt(unsigned char *state, const unsigned char *key); diff --git a/common/ykutil.c b/common/ykutil.c deleted file mode 100644 index efb39b2..0000000 --- a/common/ykutil.c +++ /dev/null @@ -1,141 +0,0 @@ -/************************************************************************* -** ** -** Y K U T I L - Yubikey utilities ** -** ** -** Copyright 2008 Yubico AB ** -** ** -** Date / Sig / Rev / History ** -** 2008-06-05 / J E / 0.00 / Main ** -** ** -*************************************************************************/ - -#include "ykutil.h" -#include "yubikey.h" -#include -#include -#include - -/************************************************************************* -** function getCRC ** -** Calculate ISO13239 checksum of buffer ** -** ** -** unsigned short getCRC(const unsigned char *buf, int bcnt) ** -** ** -** Where: ** -** "buf" is pointer to buffer ** -** "bcnt" is size of the buffer ** -** ** -** Returns: ISO13239 checksum ** -** ** -*************************************************************************/ - -unsigned short getCRC(const unsigned char *buf, int bcnt) -{ - unsigned short crc = 0xffff; - int i; - - while (bcnt--) { - crc ^= *buf++; - for (i = 0; i < 8; i++) crc = (crc & 1) ? ((crc >> 1) ^ 0x8408) : (crc >> 1); - } - - return crc; -} - -/************************************************************************* -** function modhexDecode ** -** Decodes modhex string into binary ** -** ** -** int modhexDecode(unsigned char *dst, const unsigned char *src, ** -** int dstSize) ** -** ** -** Where: ** -** "dst" is pointer to decoded binary data ** -** "src" is pointer to modhex string ** -** "dstSize" is size of the destination buffer ** -** ** -** Returns: Number of bytes decoded ** -** ** -*************************************************************************/ - -int modhexDecode(unsigned char *dst, const unsigned char *src, int dstSize) -{ - static const char trans[] = MODHEX_MAP; - unsigned char b, flag = 0; - int bcnt; - char *p1; - - for (bcnt = 0; *src && (bcnt < dstSize); src++) { - if (p1 = strchr(trans, tolower(*src))) - b = (unsigned char) (p1 - trans); - else - b = 0; - - if (flag = !flag) - *dst = b; - else { - *dst = (*dst << 4) | b; - dst++; - bcnt++; - } - } - - return bcnt; -} - -/************************************************************************* -** function parseOTP ** -** Parses OTP string and inserts result in TICKET structure ** -** ** -** int parseOTP(TICKET *tkt, unsigned char *fixed, ** -** int *fixedSize, const char *str, ** -** const char *key) ** -** ** -** Where: ** -** "tkt" is pointer to receiving TICKET structure ** -** "fixed" is pointer to receiving fixed part buffer ** -** "fixedSize" is pointer to receiving size of fixed part ** -** "str" is pointer to ascii OTP string ** -** "key" is pointer to AES key ** -** ** -** Returns: Nonzero if successful, zero otherwise ** -** ** -*************************************************************************/ - -int parseOTP(TICKET *tkt, unsigned char *fixed, int *fixedSize, const char *str, const unsigned char *key) -{ - int i, j; - unsigned char bin[FIXED_SIZE + sizeof(TICKET)]; - - // Convert from modhex to binary. Must be at least sizeof(TICKET) bytes - - if ((i = modhexDecode(bin, str, sizeof(bin))) < sizeof(TICKET)) return 0; - - // The ticket is located in the last 16 bytes - - memcpy(tkt, bin + i - sizeof(TICKET), sizeof(TICKET)); - - // Decrypt the stuff - - aesDecrypt((unsigned char *) tkt, key); - - // Is the checksum okay ? - - j = getCRC((unsigned char *) tkt, sizeof(TICKET)); - ENDIAN_SWAP(j); - if (j != CRC_OK_RESIDUE) return 0; - - // Shape up little-endian fields (if applicable) - - ENDIAN_SWAP(tkt->rnd); - ENDIAN_SWAP(tkt->tstpl); - ENDIAN_SWAP(tkt->useCtr); - - // Insert fixed id (if present) - - *fixedSize = i - sizeof(TICKET); - - if (*fixedSize) memcpy(fixed, bin, *fixedSize); - - return 1; -} diff --git a/common/ykutil.h b/common/ykutil.h deleted file mode 100644 index af75ce0..0000000 --- a/common/ykutil.h +++ /dev/null @@ -1,19 +0,0 @@ -/************************************************************************* -** ** -** Y K U T I L - Yubikey utilities ** -** ** -** Copyright 2008 Yubico AB ** -** ** -** Date / Sig / Rev / History ** -** 2008-06-05 / J E / 0.00 / Main ** -** ** -*************************************************************************/ - -#include - -#define CRC_OK_RESIDUE 0xf0b8 - -extern unsigned short getCRC(const unsigned char *, int); -extern int modhexDecode(unsigned char *, const unsigned char *, int); -extern int parseOTP(TICKET *tkt, unsigned char *fixed, int *fixedSize, const char *str, const unsigned char *key); - diff --git a/common/yubikey.c b/common/yubikey.c deleted file mode 100644 index 4dc5456..0000000 --- a/common/yubikey.c +++ /dev/null @@ -1,293 +0,0 @@ -/************************************************************************* -** ** -** Y U B I K E Y - Basic LibUSB programming API for the Yubikey ** -** ** -** Copyright 2008 Yubico AB ** -** ** -** Date / Sig / Rev / History ** -** 2008-06-05 / J E / 0.00 / Main ** -** ** -*************************************************************************/ - -#include // Rename to avoid clash with windows USBxxx headers -#include "yubikey.h" -#include - -#define YUBICO_VID 0x1050 -#define YUBIKEY_PID 0x0010 - -#define HID_GET_REPORT 0x01 -#define HID_SET_REPORT 0x09 - -#define FEATURE_RPT_SIZE 8 - -#define REPORT_TYPE_FEATURE 0x03 - -/************************************************************************* -** function hidSetReport ** -** Set HID report ** -** ** -** int hidSetReport(YUBIKEY *yk, int reportType, int reportNumber, ** -** char *buffer, int size) ** -** ** -** Where: ** -** "yk" is handle to open Yubikey ** -** "reportType" is HID report type (in, out or feature) ** -** "reportNumber" is report identifier ** -** "buffer" is pointer to in buffer ** -** "size" is size of the buffer ** -** ** -** Returns: Nonzero if successful, zero otherwise ** -** ** -*************************************************************************/ - -static int hidSetReport(YUBIKEY *yk, int reportType, int reportNumber, char *buffer, int size) -{ - return usb_control_msg(yk, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_ENDPOINT_OUT, HID_SET_REPORT, - reportType << 8 | reportNumber, 0, buffer, size, 1000) > 0; -} - -/************************************************************************* -** function hidGetReport ** -** Get HID report ** -** ** -** int hidGetReport(YUBIKEY *yk, int reportType, int reportNumber, ** -** char *buffer, int size) ** -** ** -** Where: ** -** "yk" is handle to open Yubikey ** -** "reportType" is HID report type (in, out or feature) ** -** "reportNumber" is report identifier ** -** "buffer" is pointer to in buffer ** -** "size" is size of the buffer ** -** ** -** Returns: Number of bytes read. Zero if failure ** -** ** -*************************************************************************/ - -static int hidGetReport(YUBIKEY *yk, int reportType, int reportNumber, char *buffer, int size) -{ - int m = usb_claim_interface(yk, 0); - printf ("m %d: %s\n", m, usb_strerror ()); - - return usb_control_msg(yk, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_ENDPOINT_IN, HID_GET_REPORT, - reportType << 8 | reportNumber, 0, buffer, size, 1000) > 0; -} - -/************************************************************************* -** function ykInit ** -** Initiates libUsb and other stuff. Call this one first ** -** ** -** void ykInit(void) ** -** ** -*************************************************************************/ - -int ykInit(void) -{ - usb_init(); - - if (usb_find_busses()) return usb_find_devices(); - - return 0; -} - -/************************************************************************* -** function ykOpen ** -** Opens first Yubikey found for subsequent operations ** -** ** -** YUBIKEY ykOpen(void) ** -** ** -** Returns: Handle to opened Yubikey ** -** ** -*************************************************************************/ - -YUBIKEY *ykOpen(void) -{ - struct usb_bus *bus; - struct usb_device *dev; - - // Find first instance of the Yubikey - - for (bus = usb_get_busses(); bus; bus = bus->next) - for (dev = bus->devices; dev; dev = dev->next) - if (dev->descriptor.idVendor == YUBICO_VID && dev->descriptor.idProduct == YUBIKEY_PID) - return (YUBIKEY *) usb_open(dev); - - return (YUBIKEY *) 0; -} - -/************************************************************************* -** function ykClose ** -** Closes open Yubikey handle ** -** ** -** void ykClose(void) ** -** ** -*************************************************************************/ - -void ykClose(YUBIKEY *yk) -{ - usb_close((usb_dev_handle *) yk); -} - -/************************************************************************* -** function ykGetStatus ** -** Read the Yubikey status structure ** -** ** -** int ykGetStatus(YUBIKEY *yk, STATUS *status, int forceUpdate) ** -** ** -** Where: ** -** "yk" is handle to open Yubikey ** -** "status" is pointer to returned status structure ** -** "forceUpdate" is set to nonzero to force update of dynamic fields ** -** ** -** Returns: Nonzero if successful, zero otherwise ** -** ** -*************************************************************************/ - -int ykGetStatus(YUBIKEY *yk, STATUS *status, int forceUpdate) -{ - unsigned char buf[FEATURE_RPT_SIZE]; - - // Read status structure - - memset(buf, 0, sizeof(buf)); - - if (!hidGetReport(yk, REPORT_TYPE_FEATURE, 0, buf, FEATURE_RPT_SIZE)) return 0; - - memcpy(status, buf + 1, sizeof(STATUS)); - ENDIAN_SWAP(status->touchLevel); - - // If force update, force Yubikey to update its dynamic - // status value(s) - - if (forceUpdate) { - memset(buf, 0, sizeof(buf)); - buf[FEATURE_RPT_SIZE - 1] = 0x8a; // Invalid partition = update only - hidSetReport(yk, REPORT_TYPE_FEATURE, 0, buf, FEATURE_RPT_SIZE); - } - - return 1; -} - -/************************************************************************* -** function ykWriteSlot ** -** Writes data to Yubikey slot ** -** ** -** static int ykWriteSlot(YUBIKEY *yk, unsigned char slot, ** -** const void *buf, int bcnt) ** -** ** -** Where: ** -** "yk" is handle to open Yubikey ** -** "slot" is slot number to write to ** -** "buf" is pointer to write data buffer ** -** "bcnt" is number of bytes to write ** -** ** -** Returns: Nonzero if successful, zero otherwise ** -** ** -*************************************************************************/ - -static int ykWriteSlot(YUBIKEY *yk, unsigned char slot, const void *dt, int bcnt) -{ - unsigned char buf[FEATURE_RPT_SIZE], data[SLOT_DATA_SIZE + FEATURE_RPT_SIZE]; - int i, j, pos, part; - - // Insert data and set slot # - - memset(data, 0, sizeof(data)); - memcpy(data, dt, bcnt); - data[SLOT_DATA_SIZE] = slot; - - // Append slot checksum - - i = getCRC(data, SLOT_DATA_SIZE); - data[SLOT_DATA_SIZE + 1] = (unsigned char) (i & 0xff); - data[SLOT_DATA_SIZE + 2] = (unsigned char) (i >> 8); - - // Chop up the data into parts that fits into the payload of a - // feature report. Set the part number | 0x80 in the end - // of the feature report. When the Yubikey has processed it, - // it will clear this byte, signaling that the next part can be sent - - for (pos = 0, part = 0x80; pos < (SLOT_DATA_SIZE + 4); part++) { - - // Ignore parts that are all zeroes except first and last - // to speed up the transfer - - for (i = j = 0; i < (FEATURE_RPT_SIZE - 1); i++) if (buf[i] = data[pos++]) j = 1; - if (!j && (part > 0x80) && (pos < SLOT_DATA_SIZE)) continue; - - buf[i] = part; - - if (!hidSetReport(yk, REPORT_TYPE_FEATURE, 0, buf, FEATURE_RPT_SIZE)) return 0; - - // When the last byte in the feature report is cleared by - // the Yubikey, the next part can be sent - - for (i = 0; i < 50; i++) { - memset(buf, 0, sizeof(buf)); - if (!hidGetReport(yk, REPORT_TYPE_FEATURE, 0, buf, FEATURE_RPT_SIZE)) return 0; - if (!buf[FEATURE_RPT_SIZE - 1]) break; - sleep(10); - } - - // If timeout, something has gone wrong - - if (i >= 50) return 0; - } - - return 1; -} - -/************************************************************************* -** function ykWriteConfig ** -** Writes key config structure ** -** ** -** int ykGetStatus(YUBIKEY *yk, STATUS *status, unsigned char accCode) ** -** ** -** Where: ** -** "yk" is handle to open Yubikey ** -** "cfg" is pointer to configuration structure. NULL to zap ** -** "accCode" is current program access code. NULL if none ** -** ** -** Returns: Nonzero if successful, zero otherwise ** -** ** -*************************************************************************/ - -int ykWriteConfig(YUBIKEY *yk, CONFIG *cfg, unsigned char *accCode) -{ - unsigned char buf[sizeof(CONFIG) + ACC_CODE_SIZE]; - STATUS stat; - int seq; - - // Get current seqence # from status block - - if (!ykGetStatus(yk, &stat, 0)) return 0; - - seq = stat.pgmSeq; - - // Update checksum and insert config block in buffer if present - - memset(buf, 0, sizeof(buf)); - - if (cfg) { - cfg->crc = ~getCRC((unsigned char *) cfg, sizeof(CONFIG) - sizeof(cfg->crc)); - ENDIAN_SWAP(cfg->crc); - memcpy(buf, cfg, sizeof(CONFIG)); - } - - // Append current access code if present - - if (accCode) memcpy(buf + sizeof(CONFIG), accCode, ACC_CODE_SIZE); - - // Write to Yubikey - - if (!ykWriteSlot(yk, SLOT_CONFIG, buf, sizeof(buf))) return 0; - - // Verify update - - if (!ykGetStatus(yk, &stat, 0)) return 0; - - if (cfg) return stat.pgmSeq != seq; - - return stat.pgmSeq == 0; -} diff --git a/common/yubikey.h b/common/yubikey.h deleted file mode 100644 index 63c0660..0000000 --- a/common/yubikey.h +++ /dev/null @@ -1,40 +0,0 @@ -/************************************************************************* -** ** -** Y U B I K E Y - Basic LibUSB programming API for the Yubikey ** -** ** -** Copyright 2008 Yubico AB ** -** ** -** Date / Sig / Rev / History ** -** 2008-06-05 / J E / 0.00 / Main ** -** ** -************************************************************************** -** -** For binary compatibility, ykdef structures must be byte-aligned -** Furthermore - define ENDIAN_SWAP appropriately -*/ - -#ifdef _WIN32 -#pragma pack(push, 1) -#endif - -#include - -#ifdef _WIN32 -#pragma pack(pop) -#endif - -#ifdef _WIN32 -// Little endian -#define ENDIAN_SWAP(x) -#else -// Big endian -#define ENDIAN_SWAP(x) x = ((x) >> 8) | ((x) << 8) -#endif - -typedef void YUBIKEY; - -extern int ykInit(void); -extern YUBIKEY *ykOpen(void); -extern void ykClose(YUBIKEY *); -extern int ykGetStatus(YUBIKEY *, STATUS *, int); -extern int ykWriteConfig(YUBIKEY *, CONFIG *, unsigned char *); -- 2.39.5