| /* ---- SYMMETRIC KEY STUFF ----- |
| * |
| * We put each of the ciphers scheduled keys in their own structs then we put all of |
| * the key formats in one union. This makes the function prototypes easier to use. |
| */ |
| #ifdef BLOWFISH |
| struct blowfish_key { |
| ulong32 S[4][256]; |
| ulong32 K[18]; |
| }; |
| #endif |
| |
| #ifdef RC5 |
| struct rc5_key { |
| int rounds; |
| ulong32 K[50]; |
| }; |
| #endif |
| |
| #ifdef RC6 |
| struct rc6_key { |
| ulong32 K[44]; |
| }; |
| #endif |
| |
| #ifdef SAFERP |
| struct saferp_key { |
| unsigned char K[33][16]; |
| long rounds; |
| }; |
| #endif |
| |
| #ifdef RIJNDAEL |
| struct rijndael_key { |
| ulong32 eK[60], dK[60]; |
| int Nr; |
| }; |
| #endif |
| |
| #ifdef KSEED |
| struct kseed_key { |
| ulong32 K[32], dK[32]; |
| }; |
| #endif |
| |
| #ifdef LTC_KASUMI |
| struct kasumi_key { |
| ulong32 KLi1[8], KLi2[8], |
| KOi1[8], KOi2[8], KOi3[8], |
| KIi1[8], KIi2[8], KIi3[8]; |
| }; |
| #endif |
| |
| #ifdef XTEA |
| struct xtea_key { |
| unsigned long A[32], B[32]; |
| }; |
| #endif |
| |
| #ifdef TWOFISH |
| #ifndef TWOFISH_SMALL |
| struct twofish_key { |
| ulong32 S[4][256], K[40]; |
| }; |
| #else |
| struct twofish_key { |
| ulong32 K[40]; |
| unsigned char S[32], start; |
| }; |
| #endif |
| #endif |
| |
| #ifdef SAFER |
| #define SAFER_K64_DEFAULT_NOF_ROUNDS 6 |
| #define SAFER_K128_DEFAULT_NOF_ROUNDS 10 |
| #define SAFER_SK64_DEFAULT_NOF_ROUNDS 8 |
| #define SAFER_SK128_DEFAULT_NOF_ROUNDS 10 |
| #define SAFER_MAX_NOF_ROUNDS 13 |
| #define SAFER_BLOCK_LEN 8 |
| #define SAFER_KEY_LEN (1 + SAFER_BLOCK_LEN * (1 + 2 * SAFER_MAX_NOF_ROUNDS)) |
| typedef unsigned char safer_block_t[SAFER_BLOCK_LEN]; |
| typedef unsigned char safer_key_t[SAFER_KEY_LEN]; |
| struct safer_key { safer_key_t key; }; |
| #endif |
| |
| #ifdef RC2 |
| struct rc2_key { unsigned xkey[64]; }; |
| #endif |
| |
| #ifdef DES |
| struct des_key { |
| ulong32 ek[32], dk[32]; |
| }; |
| |
| struct des3_key { |
| ulong32 ek[3][32], dk[3][32]; |
| }; |
| #endif |
| |
| #ifdef CAST5 |
| struct cast5_key { |
| ulong32 K[32], keylen; |
| }; |
| #endif |
| |
| #ifdef NOEKEON |
| struct noekeon_key { |
| ulong32 K[4], dK[4]; |
| }; |
| #endif |
| |
| #ifdef SKIPJACK |
| struct skipjack_key { |
| unsigned char key[10]; |
| }; |
| #endif |
| |
| #ifdef KHAZAD |
| struct khazad_key { |
| ulong64 roundKeyEnc[8 + 1]; |
| ulong64 roundKeyDec[8 + 1]; |
| }; |
| #endif |
| |
| #ifdef ANUBIS |
| struct anubis_key { |
| int keyBits; |
| int R; |
| ulong32 roundKeyEnc[18 + 1][4]; |
| ulong32 roundKeyDec[18 + 1][4]; |
| }; |
| #endif |
| |
| typedef union Symmetric_key { |
| #ifdef DES |
| struct des_key des; |
| struct des3_key des3; |
| #endif |
| #ifdef RC2 |
| struct rc2_key rc2; |
| #endif |
| #ifdef SAFER |
| struct safer_key safer; |
| #endif |
| #ifdef TWOFISH |
| struct twofish_key twofish; |
| #endif |
| #ifdef BLOWFISH |
| struct blowfish_key blowfish; |
| #endif |
| #ifdef RC5 |
| struct rc5_key rc5; |
| #endif |
| #ifdef RC6 |
| struct rc6_key rc6; |
| #endif |
| #ifdef SAFERP |
| struct saferp_key saferp; |
| #endif |
| #ifdef RIJNDAEL |
| struct rijndael_key rijndael; |
| #endif |
| #ifdef XTEA |
| struct xtea_key xtea; |
| #endif |
| #ifdef CAST5 |
| struct cast5_key cast5; |
| #endif |
| #ifdef NOEKEON |
| struct noekeon_key noekeon; |
| #endif |
| #ifdef SKIPJACK |
| struct skipjack_key skipjack; |
| #endif |
| #ifdef KHAZAD |
| struct khazad_key khazad; |
| #endif |
| #ifdef ANUBIS |
| struct anubis_key anubis; |
| #endif |
| #ifdef KSEED |
| struct kseed_key kseed; |
| #endif |
| #ifdef LTC_KASUMI |
| struct kasumi_key kasumi; |
| #endif |
| void *data; |
| } symmetric_key; |
| |
| #ifdef LTC_ECB_MODE |
| /** A block cipher ECB structure */ |
| typedef struct { |
| /** The index of the cipher chosen */ |
| int cipher, |
| /** The block size of the given cipher */ |
| blocklen; |
| /** The scheduled key */ |
| symmetric_key key; |
| } symmetric_ECB; |
| #endif |
| |
| #ifdef LTC_CFB_MODE |
| /** A block cipher CFB structure */ |
| typedef struct { |
| /** The index of the cipher chosen */ |
| int cipher, |
| /** The block size of the given cipher */ |
| blocklen, |
| /** The padding offset */ |
| padlen; |
| /** The current IV */ |
| unsigned char IV[MAXBLOCKSIZE], |
| /** The pad used to encrypt/decrypt */ |
| pad[MAXBLOCKSIZE]; |
| /** The scheduled key */ |
| symmetric_key key; |
| } symmetric_CFB; |
| #endif |
| |
| #ifdef LTC_OFB_MODE |
| /** A block cipher OFB structure */ |
| typedef struct { |
| /** The index of the cipher chosen */ |
| int cipher, |
| /** The block size of the given cipher */ |
| blocklen, |
| /** The padding offset */ |
| padlen; |
| /** The current IV */ |
| unsigned char IV[MAXBLOCKSIZE]; |
| /** The scheduled key */ |
| symmetric_key key; |
| } symmetric_OFB; |
| #endif |
| |
| #ifdef LTC_CBC_MODE |
| /** A block cipher CBC structure */ |
| typedef struct { |
| /** The index of the cipher chosen */ |
| int cipher, |
| /** The block size of the given cipher */ |
| blocklen; |
| /** The current IV */ |
| unsigned char IV[MAXBLOCKSIZE]; |
| /** The scheduled key */ |
| symmetric_key key; |
| } symmetric_CBC; |
| #endif |
| |
| |
| #ifdef LTC_CTR_MODE |
| /** A block cipher CTR structure */ |
| typedef struct { |
| /** The index of the cipher chosen */ |
| int cipher, |
| /** The block size of the given cipher */ |
| blocklen, |
| /** The padding offset */ |
| padlen, |
| /** The mode (endianess) of the CTR, 0==little, 1==big */ |
| mode; |
| /** The counter */ |
| unsigned char ctr[MAXBLOCKSIZE], |
| /** The pad used to encrypt/decrypt */ |
| pad[MAXBLOCKSIZE]; |
| /** The scheduled key */ |
| symmetric_key key; |
| } symmetric_CTR; |
| #endif |
| |
| |
| #ifdef LTC_LRW_MODE |
| /** A LRW structure */ |
| typedef struct { |
| /** The index of the cipher chosen (must be a 128-bit block cipher) */ |
| int cipher; |
| |
| /** The current IV */ |
| unsigned char IV[16], |
| |
| /** the tweak key */ |
| tweak[16], |
| |
| /** The current pad, it's the product of the first 15 bytes against the tweak key */ |
| pad[16]; |
| |
| /** The scheduled symmetric key */ |
| symmetric_key key; |
| |
| #ifdef LRW_TABLES |
| /** The pre-computed multiplication table */ |
| unsigned char PC[16][256][16]; |
| #endif |
| } symmetric_LRW; |
| #endif |
| |
| #ifdef LTC_F8_MODE |
| /** A block cipher F8 structure */ |
| typedef struct { |
| /** The index of the cipher chosen */ |
| int cipher, |
| /** The block size of the given cipher */ |
| blocklen, |
| /** The padding offset */ |
| padlen; |
| /** The current IV */ |
| unsigned char IV[MAXBLOCKSIZE], |
| MIV[MAXBLOCKSIZE]; |
| /** Current block count */ |
| ulong32 blockcnt; |
| /** The scheduled key */ |
| symmetric_key key; |
| } symmetric_F8; |
| #endif |
| |
| |
| /** cipher descriptor table, last entry has "name == NULL" to mark the end of table */ |
| extern struct ltc_cipher_descriptor { |
| /** name of cipher */ |
| char *name; |
| /** internal ID */ |
| unsigned char ID; |
| /** min keysize (octets) */ |
| int min_key_length, |
| /** max keysize (octets) */ |
| max_key_length, |
| /** block size (octets) */ |
| block_length, |
| /** default number of rounds */ |
| default_rounds; |
| /** Setup the cipher |
| @param key The input symmetric key |
| @param keylen The length of the input key (octets) |
| @param num_rounds The requested number of rounds (0==default) |
| @param skey [out] The destination of the scheduled key |
| @return CRYPT_OK if successful |
| */ |
| int (*setup)(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| /** Encrypt a block |
| @param pt The plaintext |
| @param ct [out] The ciphertext |
| @param skey The scheduled key |
| @return CRYPT_OK if successful |
| */ |
| int (*ecb_encrypt)(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| /** Decrypt a block |
| @param ct The ciphertext |
| @param pt [out] The plaintext |
| @param skey The scheduled key |
| @return CRYPT_OK if successful |
| */ |
| int (*ecb_decrypt)(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| /** Test the block cipher |
| @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled |
| */ |
| int (*test)(void); |
| |
| /** Terminate the context |
| @param skey The scheduled key |
| */ |
| void (*done)(symmetric_key *skey); |
| |
| /** Determine a key size |
| @param keysize [in/out] The size of the key desired and the suggested size |
| @return CRYPT_OK if successful |
| */ |
| int (*keysize)(int *keysize); |
| |
| /** Accelerators **/ |
| /** Accelerated ECB encryption |
| @param pt Plaintext |
| @param ct Ciphertext |
| @param blocks The number of complete blocks to process |
| @param skey The scheduled key context |
| @return CRYPT_OK if successful |
| */ |
| int (*accel_ecb_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, symmetric_key *skey); |
| |
| /** Accelerated ECB decryption |
| @param pt Plaintext |
| @param ct Ciphertext |
| @param blocks The number of complete blocks to process |
| @param skey The scheduled key context |
| @return CRYPT_OK if successful |
| */ |
| int (*accel_ecb_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, symmetric_key *skey); |
| |
| /** Accelerated CBC encryption |
| @param pt Plaintext |
| @param ct Ciphertext |
| @param blocks The number of complete blocks to process |
| @param IV The initial value (input/output) |
| @param skey The scheduled key context |
| @return CRYPT_OK if successful |
| */ |
| int (*accel_cbc_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, symmetric_key *skey); |
| |
| /** Accelerated CBC decryption |
| @param pt Plaintext |
| @param ct Ciphertext |
| @param blocks The number of complete blocks to process |
| @param IV The initial value (input/output) |
| @param skey The scheduled key context |
| @return CRYPT_OK if successful |
| */ |
| int (*accel_cbc_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, symmetric_key *skey); |
| |
| /** Accelerated CTR encryption |
| @param pt Plaintext |
| @param ct Ciphertext |
| @param blocks The number of complete blocks to process |
| @param IV The initial value (input/output) |
| @param mode little or big endian counter (mode=0 or mode=1) |
| @param skey The scheduled key context |
| @return CRYPT_OK if successful |
| */ |
| int (*accel_ctr_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, int mode, symmetric_key *skey); |
| |
| /** Accelerated LRW |
| @param pt Plaintext |
| @param ct Ciphertext |
| @param blocks The number of complete blocks to process |
| @param IV The initial value (input/output) |
| @param tweak The LRW tweak |
| @param skey The scheduled key context |
| @return CRYPT_OK if successful |
| */ |
| int (*accel_lrw_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey); |
| |
| /** Accelerated LRW |
| @param ct Ciphertext |
| @param pt Plaintext |
| @param blocks The number of complete blocks to process |
| @param IV The initial value (input/output) |
| @param tweak The LRW tweak |
| @param skey The scheduled key context |
| @return CRYPT_OK if successful |
| */ |
| int (*accel_lrw_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey); |
| |
| /** Accelerated CCM packet (one-shot) |
| @param key The secret key to use |
| @param keylen The length of the secret key (octets) |
| @param uskey A previously scheduled key [optional can be NULL] |
| @param nonce The session nonce [use once] |
| @param noncelen The length of the nonce |
| @param header The header for the session |
| @param headerlen The length of the header (octets) |
| @param pt [out] The plaintext |
| @param ptlen The length of the plaintext (octets) |
| @param ct [out] The ciphertext |
| @param tag [out] The destination tag |
| @param taglen [in/out] The max size and resulting size of the authentication tag |
| @param direction Encrypt or Decrypt direction (0 or 1) |
| @return CRYPT_OK if successful |
| */ |
| int (*accel_ccm_memory)( |
| const unsigned char *key, unsigned long keylen, |
| symmetric_key *uskey, |
| const unsigned char *nonce, unsigned long noncelen, |
| const unsigned char *header, unsigned long headerlen, |
| unsigned char *pt, unsigned long ptlen, |
| unsigned char *ct, |
| unsigned char *tag, unsigned long *taglen, |
| int direction); |
| |
| /** Accelerated GCM packet (one shot) |
| @param key The secret key |
| @param keylen The length of the secret key |
| @param IV The initial vector |
| @param IVlen The length of the initial vector |
| @param adata The additional authentication data (header) |
| @param adatalen The length of the adata |
| @param pt The plaintext |
| @param ptlen The length of the plaintext (ciphertext length is the same) |
| @param ct The ciphertext |
| @param tag [out] The MAC tag |
| @param taglen [in/out] The MAC tag length |
| @param direction Encrypt or Decrypt mode (GCM_ENCRYPT or GCM_DECRYPT) |
| @return CRYPT_OK on success |
| */ |
| int (*accel_gcm_memory)( |
| const unsigned char *key, unsigned long keylen, |
| const unsigned char *IV, unsigned long IVlen, |
| const unsigned char *adata, unsigned long adatalen, |
| unsigned char *pt, unsigned long ptlen, |
| unsigned char *ct, |
| unsigned char *tag, unsigned long *taglen, |
| int direction); |
| |
| /** Accelerated one shot OMAC |
| @param key The secret key |
| @param keylen The key length (octets) |
| @param in The message |
| @param inlen Length of message (octets) |
| @param out [out] Destination for tag |
| @param outlen [in/out] Initial and final size of out |
| @return CRYPT_OK on success |
| */ |
| int (*omac_memory)( |
| const unsigned char *key, unsigned long keylen, |
| const unsigned char *in, unsigned long inlen, |
| unsigned char *out, unsigned long *outlen); |
| |
| /** Accelerated one shot XCBC |
| @param key The secret key |
| @param keylen The key length (octets) |
| @param in The message |
| @param inlen Length of message (octets) |
| @param out [out] Destination for tag |
| @param outlen [in/out] Initial and final size of out |
| @return CRYPT_OK on success |
| */ |
| int (*xcbc_memory)( |
| const unsigned char *key, unsigned long keylen, |
| const unsigned char *in, unsigned long inlen, |
| unsigned char *out, unsigned long *outlen); |
| |
| /** Accelerated one shot F9 |
| @param key The secret key |
| @param keylen The key length (octets) |
| @param in The message |
| @param inlen Length of message (octets) |
| @param out [out] Destination for tag |
| @param outlen [in/out] Initial and final size of out |
| @return CRYPT_OK on success |
| @remark Requires manual padding |
| */ |
| int (*f9_memory)( |
| const unsigned char *key, unsigned long keylen, |
| const unsigned char *in, unsigned long inlen, |
| unsigned char *out, unsigned long *outlen); |
| } cipher_descriptor[]; |
| |
| #ifdef BLOWFISH |
| int blowfish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int blowfish_test(void); |
| void blowfish_done(symmetric_key *skey); |
| int blowfish_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor blowfish_desc; |
| #endif |
| |
| #ifdef RC5 |
| int rc5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int rc5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int rc5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int rc5_test(void); |
| void rc5_done(symmetric_key *skey); |
| int rc5_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor rc5_desc; |
| #endif |
| |
| #ifdef RC6 |
| int rc6_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int rc6_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int rc6_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int rc6_test(void); |
| void rc6_done(symmetric_key *skey); |
| int rc6_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor rc6_desc; |
| #endif |
| |
| #ifdef RC2 |
| int rc2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int rc2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int rc2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int rc2_test(void); |
| void rc2_done(symmetric_key *skey); |
| int rc2_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor rc2_desc; |
| #endif |
| |
| #ifdef SAFERP |
| int saferp_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int saferp_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int saferp_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int saferp_test(void); |
| void saferp_done(symmetric_key *skey); |
| int saferp_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor saferp_desc; |
| #endif |
| |
| #ifdef SAFER |
| int safer_k64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int safer_sk64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int safer_k128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int safer_sk128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int safer_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *key); |
| int safer_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *key); |
| int safer_k64_test(void); |
| int safer_sk64_test(void); |
| int safer_sk128_test(void); |
| void safer_done(symmetric_key *skey); |
| int safer_64_keysize(int *keysize); |
| int safer_128_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor safer_k64_desc, safer_k128_desc, safer_sk64_desc, safer_sk128_desc; |
| #endif |
| |
| #ifdef RIJNDAEL |
| |
| /* make aes an alias */ |
| #define aes_setup rijndael_setup |
| #define aes_ecb_encrypt rijndael_ecb_encrypt |
| #define aes_ecb_decrypt rijndael_ecb_decrypt |
| #define aes_test rijndael_test |
| #define aes_done rijndael_done |
| #define aes_keysize rijndael_keysize |
| |
| #define aes_enc_setup rijndael_enc_setup |
| #define aes_enc_ecb_encrypt rijndael_enc_ecb_encrypt |
| #define aes_enc_keysize rijndael_enc_keysize |
| |
| int rijndael_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int rijndael_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int rijndael_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int rijndael_test(void); |
| void rijndael_done(symmetric_key *skey); |
| int rijndael_keysize(int *keysize); |
| int rijndael_enc_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int rijndael_enc_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| void rijndael_enc_done(symmetric_key *skey); |
| int rijndael_enc_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor rijndael_desc, aes_desc; |
| extern const struct ltc_cipher_descriptor rijndael_enc_desc, aes_enc_desc; |
| #endif |
| |
| #ifdef XTEA |
| int xtea_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int xtea_test(void); |
| void xtea_done(symmetric_key *skey); |
| int xtea_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor xtea_desc; |
| #endif |
| |
| #ifdef TWOFISH |
| int twofish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int twofish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int twofish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int twofish_test(void); |
| void twofish_done(symmetric_key *skey); |
| int twofish_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor twofish_desc; |
| #endif |
| |
| #ifdef DES |
| int des_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int des_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int des_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int des_test(void); |
| void des_done(symmetric_key *skey); |
| int des_keysize(int *keysize); |
| int des3_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int des3_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int des3_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int des3_test(void); |
| void des3_done(symmetric_key *skey); |
| int des3_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor des_desc, des3_desc; |
| #endif |
| |
| #ifdef CAST5 |
| int cast5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int cast5_test(void); |
| void cast5_done(symmetric_key *skey); |
| int cast5_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor cast5_desc; |
| #endif |
| |
| #ifdef NOEKEON |
| int noekeon_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int noekeon_test(void); |
| void noekeon_done(symmetric_key *skey); |
| int noekeon_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor noekeon_desc; |
| #endif |
| |
| #ifdef SKIPJACK |
| int skipjack_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int skipjack_test(void); |
| void skipjack_done(symmetric_key *skey); |
| int skipjack_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor skipjack_desc; |
| #endif |
| |
| #ifdef KHAZAD |
| int khazad_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int khazad_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int khazad_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int khazad_test(void); |
| void khazad_done(symmetric_key *skey); |
| int khazad_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor khazad_desc; |
| #endif |
| |
| #ifdef ANUBIS |
| int anubis_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int anubis_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int anubis_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int anubis_test(void); |
| void anubis_done(symmetric_key *skey); |
| int anubis_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor anubis_desc; |
| #endif |
| |
| #ifdef KSEED |
| int kseed_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int kseed_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int kseed_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int kseed_test(void); |
| void kseed_done(symmetric_key *skey); |
| int kseed_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor kseed_desc; |
| #endif |
| |
| #ifdef LTC_KASUMI |
| int kasumi_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); |
| int kasumi_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); |
| int kasumi_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); |
| int kasumi_test(void); |
| void kasumi_done(symmetric_key *skey); |
| int kasumi_keysize(int *keysize); |
| extern const struct ltc_cipher_descriptor kasumi_desc; |
| #endif |
| |
| #ifdef LTC_ECB_MODE |
| int ecb_start(int cipher, const unsigned char *key, |
| int keylen, int num_rounds, symmetric_ECB *ecb); |
| int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb); |
| int ecb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_ECB *ecb); |
| int ecb_done(symmetric_ECB *ecb); |
| #endif |
| |
| #ifdef LTC_CFB_MODE |
| int cfb_start(int cipher, const unsigned char *IV, const unsigned char *key, |
| int keylen, int num_rounds, symmetric_CFB *cfb); |
| int cfb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CFB *cfb); |
| int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CFB *cfb); |
| int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb); |
| int cfb_setiv(const unsigned char *IV, unsigned long len, symmetric_CFB *cfb); |
| int cfb_done(symmetric_CFB *cfb); |
| #endif |
| |
| #ifdef LTC_OFB_MODE |
| int ofb_start(int cipher, const unsigned char *IV, const unsigned char *key, |
| int keylen, int num_rounds, symmetric_OFB *ofb); |
| int ofb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_OFB *ofb); |
| int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb); |
| int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb); |
| int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb); |
| int ofb_done(symmetric_OFB *ofb); |
| #endif |
| |
| #ifdef LTC_CBC_MODE |
| int cbc_start(int cipher, const unsigned char *IV, const unsigned char *key, |
| int keylen, int num_rounds, symmetric_CBC *cbc); |
| int cbc_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CBC *cbc); |
| int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CBC *cbc); |
| int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc); |
| int cbc_setiv(const unsigned char *IV, unsigned long len, symmetric_CBC *cbc); |
| int cbc_done(symmetric_CBC *cbc); |
| #endif |
| |
| #ifdef LTC_CTR_MODE |
| |
| #define CTR_COUNTER_LITTLE_ENDIAN 0 |
| #define CTR_COUNTER_BIG_ENDIAN 1 |
| #define LTC_CTR_RFC3686 2 |
| |
| int ctr_start( int cipher, |
| const unsigned char *IV, |
| const unsigned char *key, int keylen, |
| int num_rounds, int ctr_mode, |
| symmetric_CTR *ctr); |
| int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CTR *ctr); |
| int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr); |
| int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr); |
| int ctr_setiv(const unsigned char *IV, unsigned long len, symmetric_CTR *ctr); |
| int ctr_done(symmetric_CTR *ctr); |
| int ctr_test(void); |
| #endif |
| |
| #ifdef LTC_LRW_MODE |
| |
| #define LRW_ENCRYPT 0 |
| #define LRW_DECRYPT 1 |
| |
| int lrw_start( int cipher, |
| const unsigned char *IV, |
| const unsigned char *key, int keylen, |
| const unsigned char *tweak, |
| int num_rounds, |
| symmetric_LRW *lrw); |
| int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw); |
| int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_LRW *lrw); |
| int lrw_getiv(unsigned char *IV, unsigned long *len, symmetric_LRW *lrw); |
| int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw); |
| int lrw_done(symmetric_LRW *lrw); |
| int lrw_test(void); |
| |
| /* don't call */ |
| int lrw_process(const unsigned char *pt, unsigned char *ct, unsigned long len, int mode, symmetric_LRW *lrw); |
| #endif |
| |
| #ifdef LTC_F8_MODE |
| int f8_start( int cipher, const unsigned char *IV, |
| const unsigned char *key, int keylen, |
| const unsigned char *salt_key, int skeylen, |
| int num_rounds, symmetric_F8 *f8); |
| int f8_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_F8 *f8); |
| int f8_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_F8 *f8); |
| int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8); |
| int f8_setiv(const unsigned char *IV, unsigned long len, symmetric_F8 *f8); |
| int f8_done(symmetric_F8 *f8); |
| int f8_test_mode(void); |
| #endif |
| |
| |
| int find_cipher(const char *name); |
| int find_cipher_any(const char *name, int blocklen, int keylen); |
| int find_cipher_id(unsigned char ID); |
| int register_cipher(const struct ltc_cipher_descriptor *cipher); |
| int unregister_cipher(const struct ltc_cipher_descriptor *cipher); |
| int cipher_is_valid(int idx); |
| |
| LTC_MUTEX_PROTO(ltc_cipher_mutex) |
| |
| /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_cipher.h,v $ */ |
| /* $Revision: 1.46 $ */ |
| /* $Date: 2006/11/13 23:09:38 $ */ |
