Mercurial > dropbear
view libtomcrypt/src/headers/tomcrypt_mac.h @ 483:738313e73b1c
- "-J 'nc localhost 22'" kind of works, needs fixing hostkeys, ptys etc.
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 15 Sep 2008 14:40:30 +0000 |
parents | 0cbe8f6dbf9e |
children | f849a5ca2efc |
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#ifdef LTC_HMAC typedef struct Hmac_state { hash_state md; int hash; hash_state hashstate; unsigned char *key; } hmac_state; int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned long keylen); int hmac_process(hmac_state *hmac, const unsigned char *in, unsigned long inlen); int hmac_done(hmac_state *hmac, unsigned char *out, unsigned long *outlen); int hmac_test(void); int hmac_memory(int hash, const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen); int hmac_memory_multi(int hash, const unsigned char *key, unsigned long keylen, unsigned char *out, unsigned long *outlen, const unsigned char *in, unsigned long inlen, ...); int hmac_file(int hash, const char *fname, const unsigned char *key, unsigned long keylen, unsigned char *dst, unsigned long *dstlen); #endif #ifdef LTC_OMAC typedef struct { int cipher_idx, buflen, blklen; unsigned char block[MAXBLOCKSIZE], prev[MAXBLOCKSIZE], Lu[2][MAXBLOCKSIZE]; symmetric_key key; } omac_state; int omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned long keylen); int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen); int omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen); int omac_memory(int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen); int omac_memory_multi(int cipher, const unsigned char *key, unsigned long keylen, unsigned char *out, unsigned long *outlen, const unsigned char *in, unsigned long inlen, ...); int omac_file(int cipher, const unsigned char *key, unsigned long keylen, const char *filename, unsigned char *out, unsigned long *outlen); int omac_test(void); #endif /* OMAC */ #ifdef LTC_PMAC typedef struct { unsigned char Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */ Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */ Lr[MAXBLOCKSIZE], /* L * x^-1 */ block[MAXBLOCKSIZE], /* currently accumulated block */ checksum[MAXBLOCKSIZE]; /* current checksum */ symmetric_key key; /* scheduled key for cipher */ unsigned long block_index; /* index # for current block */ int cipher_idx, /* cipher idx */ block_len, /* length of block */ buflen; /* number of bytes in the buffer */ } pmac_state; int pmac_init(pmac_state *pmac, int cipher, const unsigned char *key, unsigned long keylen); int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen); int pmac_done(pmac_state *pmac, unsigned char *out, unsigned long *outlen); int pmac_memory(int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *msg, unsigned long msglen, unsigned char *out, unsigned long *outlen); int pmac_memory_multi(int cipher, const unsigned char *key, unsigned long keylen, unsigned char *out, unsigned long *outlen, const unsigned char *in, unsigned long inlen, ...); int pmac_file(int cipher, const unsigned char *key, unsigned long keylen, const char *filename, unsigned char *out, unsigned long *outlen); int pmac_test(void); /* internal functions */ int pmac_ntz(unsigned long x); void pmac_shift_xor(pmac_state *pmac); #endif /* PMAC */ #ifdef EAX_MODE #if !(defined(LTC_OMAC) && defined(LTC_CTR_MODE)) #error EAX_MODE requires OMAC and CTR #endif typedef struct { unsigned char N[MAXBLOCKSIZE]; symmetric_CTR ctr; omac_state headeromac, ctomac; } eax_state; int eax_init(eax_state *eax, int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *nonce, unsigned long noncelen, const unsigned char *header, unsigned long headerlen); int eax_encrypt(eax_state *eax, const unsigned char *pt, unsigned char *ct, unsigned long length); int eax_decrypt(eax_state *eax, const unsigned char *ct, unsigned char *pt, unsigned long length); int eax_addheader(eax_state *eax, const unsigned char *header, unsigned long length); int eax_done(eax_state *eax, unsigned char *tag, unsigned long *taglen); int eax_encrypt_authenticate_memory(int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *nonce, unsigned long noncelen, const unsigned char *header, unsigned long headerlen, const unsigned char *pt, unsigned long ptlen, unsigned char *ct, unsigned char *tag, unsigned long *taglen); int eax_decrypt_verify_memory(int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *nonce, unsigned long noncelen, const unsigned char *header, unsigned long headerlen, const unsigned char *ct, unsigned long ctlen, unsigned char *pt, unsigned char *tag, unsigned long taglen, int *stat); int eax_test(void); #endif /* EAX MODE */ #ifdef OCB_MODE typedef struct { unsigned char L[MAXBLOCKSIZE], /* L value */ Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */ Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */ Lr[MAXBLOCKSIZE], /* L * x^-1 */ R[MAXBLOCKSIZE], /* R value */ checksum[MAXBLOCKSIZE]; /* current checksum */ symmetric_key key; /* scheduled key for cipher */ unsigned long block_index; /* index # for current block */ int cipher, /* cipher idx */ block_len; /* length of block */ } ocb_state; int ocb_init(ocb_state *ocb, int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *nonce); int ocb_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned char *ct); int ocb_decrypt(ocb_state *ocb, const unsigned char *ct, unsigned char *pt); int ocb_done_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen, unsigned char *ct, unsigned char *tag, unsigned long *taglen); int ocb_done_decrypt(ocb_state *ocb, const unsigned char *ct, unsigned long ctlen, unsigned char *pt, const unsigned char *tag, unsigned long taglen, int *stat); int ocb_encrypt_authenticate_memory(int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *nonce, const unsigned char *pt, unsigned long ptlen, unsigned char *ct, unsigned char *tag, unsigned long *taglen); int ocb_decrypt_verify_memory(int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *nonce, const unsigned char *ct, unsigned long ctlen, unsigned char *pt, const unsigned char *tag, unsigned long taglen, int *stat); int ocb_test(void); /* internal functions */ void ocb_shift_xor(ocb_state *ocb, unsigned char *Z); int ocb_ntz(unsigned long x); int s_ocb_done(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen, unsigned char *ct, unsigned char *tag, unsigned long *taglen, int mode); #endif /* OCB_MODE */ #ifdef CCM_MODE #define CCM_ENCRYPT 0 #define CCM_DECRYPT 1 int ccm_memory(int cipher, 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); int ccm_test(void); #endif /* CCM_MODE */ #if defined(LRW_MODE) || defined(GCM_MODE) void gcm_gf_mult(const unsigned char *a, const unsigned char *b, unsigned char *c); #endif /* table shared between GCM and LRW */ #if defined(GCM_TABLES) || defined(LRW_TABLES) || ((defined(GCM_MODE) || defined(GCM_MODE)) && defined(LTC_FAST)) extern const unsigned char gcm_shift_table[]; #endif #ifdef GCM_MODE #define GCM_ENCRYPT 0 #define GCM_DECRYPT 1 #define GCM_MODE_IV 0 #define GCM_MODE_AAD 1 #define GCM_MODE_TEXT 2 typedef struct { symmetric_key K; unsigned char H[16], /* multiplier */ X[16], /* accumulator */ Y[16], /* counter */ Y_0[16], /* initial counter */ buf[16]; /* buffer for stuff */ int cipher, /* which cipher */ ivmode, /* Which mode is the IV in? */ mode, /* mode the GCM code is in */ buflen; /* length of data in buf */ ulong64 totlen, /* 64-bit counter used for IV and AAD */ pttotlen; /* 64-bit counter for the PT */ #ifdef GCM_TABLES unsigned char PC[16][256][16] /* 16 tables of 8x128 */ #ifdef GCM_TABLES_SSE2 __attribute__ ((aligned (16))) #endif ; #endif } gcm_state; void gcm_mult_h(gcm_state *gcm, unsigned char *I); int gcm_init(gcm_state *gcm, int cipher, const unsigned char *key, int keylen); int gcm_reset(gcm_state *gcm); int gcm_add_iv(gcm_state *gcm, const unsigned char *IV, unsigned long IVlen); int gcm_add_aad(gcm_state *gcm, const unsigned char *adata, unsigned long adatalen); int gcm_process(gcm_state *gcm, unsigned char *pt, unsigned long ptlen, unsigned char *ct, int direction); int gcm_done(gcm_state *gcm, unsigned char *tag, unsigned long *taglen); int gcm_memory( int cipher, 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); int gcm_test(void); #endif /* GCM_MODE */ #ifdef PELICAN typedef struct pelican_state { symmetric_key K; unsigned char state[16]; int buflen; } pelican_state; int pelican_init(pelican_state *pelmac, const unsigned char *key, unsigned long keylen); int pelican_process(pelican_state *pelmac, const unsigned char *in, unsigned long inlen); int pelican_done(pelican_state *pelmac, unsigned char *out); int pelican_test(void); int pelican_memory(const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *out); #endif #ifdef LTC_XCBC typedef struct { unsigned char K[3][MAXBLOCKSIZE], IV[MAXBLOCKSIZE]; symmetric_key key; int cipher, buflen, blocksize; } xcbc_state; int xcbc_init(xcbc_state *xcbc, int cipher, const unsigned char *key, unsigned long keylen); int xcbc_process(xcbc_state *xcbc, const unsigned char *in, unsigned long inlen); int xcbc_done(xcbc_state *xcbc, unsigned char *out, unsigned long *outlen); int xcbc_memory(int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen); int xcbc_memory_multi(int cipher, const unsigned char *key, unsigned long keylen, unsigned char *out, unsigned long *outlen, const unsigned char *in, unsigned long inlen, ...); int xcbc_file(int cipher, const unsigned char *key, unsigned long keylen, const char *filename, unsigned char *out, unsigned long *outlen); int xcbc_test(void); #endif #ifdef LTC_F9_MODE typedef struct { unsigned char akey[MAXBLOCKSIZE], ACC[MAXBLOCKSIZE], IV[MAXBLOCKSIZE]; symmetric_key key; int cipher, buflen, keylen, blocksize; } f9_state; int f9_init(f9_state *f9, int cipher, const unsigned char *key, unsigned long keylen); int f9_process(f9_state *f9, const unsigned char *in, unsigned long inlen); int f9_done(f9_state *f9, unsigned char *out, unsigned long *outlen); int f9_memory(int cipher, const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen); int f9_memory_multi(int cipher, const unsigned char *key, unsigned long keylen, unsigned char *out, unsigned long *outlen, const unsigned char *in, unsigned long inlen, ...); int f9_file(int cipher, const unsigned char *key, unsigned long keylen, const char *filename, unsigned char *out, unsigned long *outlen); int f9_test(void); #endif /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_mac.h,v $ */ /* $Revision: 1.20 $ */ /* $Date: 2006/11/08 21:57:04 $ */