--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/headers/tomcrypt_pk.h	Fri Mar 10 06:31:29 2006 +0000
@@ -0,0 +1,381 @@
+/* ---- NUMBER THEORY ---- */
+#ifdef MPI
+
+#include "ltc_tommath.h"
+
+/* in/out macros */
+#define OUTPUT_BIGNUM(num, out, y, z)                                                             \
+{                                                                                                 \
+      if ((y + 4) > *outlen) { return CRYPT_BUFFER_OVERFLOW; }                                    \
+      z = (unsigned long)mp_unsigned_bin_size(num);                                               \
+      STORE32L(z, out+y);                                                                         \
+      y += 4;                                                                                     \
+      if ((y + z) > *outlen) { return CRYPT_BUFFER_OVERFLOW; }                                    \
+      if ((err = mp_to_unsigned_bin(num, out+y)) != MP_OKAY) { return mpi_to_ltc_error(err); }    \
+      y += z;                                                                                     \
+}
+
+
+#define INPUT_BIGNUM(num, in, x, y, inlen)                       \
+{                                                                \
+     /* load value */                                            \
+     if ((y + 4) > inlen) {                                      \
+        err = CRYPT_INVALID_PACKET;                              \
+        goto error;                                              \
+     }                                                           \
+     LOAD32L(x, in+y);                                           \
+     y += 4;                                                     \
+                                                                 \
+     /* sanity check... */                                       \
+     if ((x+y) > inlen) {                                        \
+        err = CRYPT_INVALID_PACKET;                              \
+        goto error;                                              \
+     }                                                           \
+                                                                 \
+     /* load it */                                               \
+     if ((err = mp_read_unsigned_bin(num, (unsigned char *)in+y, (int)x)) != MP_OKAY) {\
+        err = mpi_to_ltc_error(err);                             \
+        goto error;                                              \
+     }                                                           \
+     y += x;                                                     \
+     if ((err = mp_shrink(num)) != MP_OKAY) {                    \
+        err = mpi_to_ltc_error(err);                             \
+        goto error;                                              \
+     }                                                           \
+}
+
+ int is_prime(mp_int *, int *);
+ int rand_prime(mp_int *N, long len, prng_state *prng, int wprng);
+
+#else
+   #ifdef MRSA
+      #error RSA requires the big int library 
+   #endif
+   #ifdef MECC
+      #error ECC requires the big int library 
+   #endif
+   #ifdef MDH
+      #error DH requires the big int library 
+   #endif
+   #ifdef MDSA
+      #error DSA requires the big int library 
+   #endif
+#endif /* MPI */
+
+
+/* ---- PUBLIC KEY CRYPTO ---- */
+
+#define PK_PRIVATE            0        /* PK private keys */
+#define PK_PUBLIC             1        /* PK public keys */
+
+/* ---- PACKET ---- */
+#ifdef PACKET
+
+void packet_store_header(unsigned char *dst, int section, int subsection);
+int packet_valid_header(unsigned char *src, int section, int subsection);
+
+#endif
+
+
+/* ---- RSA ---- */
+#ifdef MRSA
+
+/* Min and Max RSA key sizes (in bits) */
+#define MIN_RSA_SIZE 1024
+#define MAX_RSA_SIZE 4096
+
+typedef struct Rsa_key {
+    int type;
+    mp_int e, d, N, p, q, qP, dP, dQ;
+} rsa_key;
+
+int rsa_make_key(prng_state *prng, int wprng, int size, long e, rsa_key *key);
+
+int rsa_exptmod(const unsigned char *in,   unsigned long inlen,
+                      unsigned char *out,  unsigned long *outlen, int which,
+                      rsa_key *key);
+
+void rsa_free(rsa_key *key);
+
+/* These use PKCS #1 v2.0 padding */
+int rsa_encrypt_key(const unsigned char *in,     unsigned long inlen,
+                          unsigned char *out,    unsigned long *outlen,
+                    const unsigned char *lparam, unsigned long lparamlen,
+                    prng_state *prng, int prng_idx, int hash_idx, rsa_key *key);
+                                        
+int rsa_decrypt_key(const unsigned char *in,       unsigned long inlen,
+                          unsigned char *out,      unsigned long *outlen, 
+                    const unsigned char *lparam,   unsigned long lparamlen,
+                          int            hash_idx, int *stat,
+                          rsa_key       *key);
+
+int rsa_sign_hash(const unsigned char *in,     unsigned long  inlen, 
+                        unsigned char *out,    unsigned long *outlen, 
+                        prng_state    *prng,     int            prng_idx,
+                        int            hash_idx, unsigned long  saltlen,
+                        rsa_key *key);
+
+int rsa_verify_hash(const unsigned char *sig,      unsigned long siglen,
+                    const unsigned char *hash,     unsigned long hashlen,
+                          int            hash_idx, unsigned long saltlen,
+                          int           *stat,     rsa_key      *key);
+
+/* PKCS #1 import/export */
+int rsa_export(unsigned char *out, unsigned long *outlen, int type, rsa_key *key);
+int rsa_import(const unsigned char *in, unsigned long inlen, rsa_key *key);
+                        
+#endif
+
+/* ---- DH Routines ---- */
+#ifdef MDH 
+
+typedef struct Dh_key {
+    int idx, type;
+    mp_int x, y;
+} dh_key;
+
+int dh_test(void);
+void dh_sizes(int *low, int *high);
+int dh_get_size(dh_key *key);
+
+int dh_make_key(prng_state *prng, int wprng, int keysize, dh_key *key);
+void dh_free(dh_key *key);
+
+int dh_export(unsigned char *out, unsigned long *outlen, int type, dh_key *key);
+int dh_import(const unsigned char *in, unsigned long inlen, dh_key *key);
+
+int dh_shared_secret(dh_key        *private_key, dh_key        *public_key,
+                     unsigned char *out,         unsigned long *outlen);
+
+int dh_encrypt_key(const unsigned char *in,    unsigned long  keylen,
+                         unsigned char *out,   unsigned long *outlen, 
+                         prng_state    *prng,  int wprng, int hash, 
+                         dh_key        *key);
+
+int dh_decrypt_key(const unsigned char *in,  unsigned long  inlen, 
+                         unsigned char *out, unsigned long *outlen, 
+                         dh_key *key);
+
+int dh_sign_hash(const unsigned char *in,   unsigned long inlen,
+                       unsigned char *out,  unsigned long *outlen,
+                       prng_state    *prng, int wprng, dh_key *key);
+
+int dh_verify_hash(const unsigned char *sig,  unsigned long siglen,
+                   const unsigned char *hash, unsigned long hashlen, 
+                   int *stat, dh_key *key);
+
+
+#endif
+
+/* ---- ECC Routines ---- */
+#ifdef MECC
+typedef struct {
+    mp_int x, y, z;
+} ecc_point;
+
+typedef struct {
+    int type, idx;
+    ecc_point pubkey;
+    mp_int k;
+} ecc_key;
+
+int ecc_test(void);
+void ecc_sizes(int *low, int *high);
+int ecc_get_size(ecc_key *key);
+
+int ecc_make_key(prng_state *prng, int wprng, int keysize, ecc_key *key);
+void ecc_free(ecc_key *key);
+
+int ecc_export(unsigned char *out, unsigned long *outlen, int type, ecc_key *key);
+int ecc_import(const unsigned char *in, unsigned long inlen, ecc_key *key);
+
+int ecc_shared_secret(ecc_key *private_key, ecc_key *public_key, 
+                      unsigned char *out, unsigned long *outlen);
+
+int ecc_encrypt_key(const unsigned char *in,   unsigned long inlen,
+                          unsigned char *out,  unsigned long *outlen, 
+                          prng_state *prng, int wprng, int hash, 
+                          ecc_key *key);
+
+int ecc_decrypt_key(const unsigned char *in,  unsigned long  inlen,
+                          unsigned char *out, unsigned long *outlen, 
+                          ecc_key *key);
+
+int ecc_sign_hash(const unsigned char *in,  unsigned long inlen, 
+                        unsigned char *out, unsigned long *outlen, 
+                        prng_state *prng, int wprng, ecc_key *key);
+
+int ecc_verify_hash(const unsigned char *sig,  unsigned long siglen,
+                    const unsigned char *hash, unsigned long hashlen, 
+                    int *stat, ecc_key *key);
+
+#endif
+
+#ifdef MDSA
+
+typedef struct {
+   int type, qord;
+   mp_int g, q, p, x, y;
+} dsa_key;
+
+int dsa_make_key(prng_state *prng, int wprng, int group_size, int modulus_size, dsa_key *key);
+void dsa_free(dsa_key *key);
+
+
+int dsa_sign_hash_raw(const unsigned char *in,  unsigned long inlen,
+                                   mp_int *r,   mp_int *s,
+                               prng_state *prng, int wprng, dsa_key *key);
+
+int dsa_sign_hash(const unsigned char *in,  unsigned long inlen,
+                        unsigned char *out, unsigned long *outlen,
+                        prng_state *prng, int wprng, dsa_key *key);
+
+int dsa_verify_hash_raw(         mp_int *r,          mp_int *s,
+                    const unsigned char *hash, unsigned long hashlen, 
+                                    int *stat,      dsa_key *key);
+
+int dsa_verify_hash(const unsigned char *sig,  unsigned long siglen,
+                    const unsigned char *hash, unsigned long hashlen, 
+                          int           *stat, dsa_key       *key);
+
+int dsa_import(const unsigned char *in, unsigned long inlen, dsa_key *key);
+
+int dsa_export(unsigned char *out, unsigned long *outlen, int type, dsa_key *key);
+
+int dsa_verify_key(dsa_key *key, int *stat);
+
+#endif
+
+#ifdef LTC_DER
+/* DER handling */
+
+enum {
+ LTC_ASN1_EOL,
+ LTC_ASN1_INTEGER,
+ LTC_ASN1_SHORT_INTEGER,
+ LTC_ASN1_BIT_STRING,
+ LTC_ASN1_OCTET_STRING,
+ LTC_ASN1_NULL,
+ LTC_ASN1_OBJECT_IDENTIFIER,
+ LTC_ASN1_IA5_STRING,
+ LTC_ASN1_PRINTABLE_STRING,
+ LTC_ASN1_UTCTIME,
+
+ LTC_ASN1_CHOICE,
+ LTC_ASN1_SEQUENCE
+};
+
+typedef struct {
+   int           type;
+   void         *data;
+   unsigned long size;
+   int           used;
+} ltc_asn1_list;
+
+#define LTC_SET_ASN1(list, index, Type, Data, Size)  \
+   do {                                              \
+      int LTC_MACRO_temp            = (index);       \
+      ltc_asn1_list *LTC_MACRO_list = (list);        \
+      LTC_MACRO_list[LTC_MACRO_temp].type = (Type);  \
+      LTC_MACRO_list[LTC_MACRO_temp].data = (Data);  \
+      LTC_MACRO_list[LTC_MACRO_temp].size = (Size);  \
+      LTC_MACRO_list[LTC_MACRO_temp].used = 0;       \
+   } while (0);
+
+/* SEQUENCE */
+int der_encode_sequence(ltc_asn1_list *list, unsigned long inlen,
+                        unsigned char *out,  unsigned long *outlen);
+
+int der_decode_sequence(const unsigned char *in,   unsigned long  inlen,
+                              ltc_asn1_list *list, unsigned long  outlen);
+
+int der_length_sequence(ltc_asn1_list *list, unsigned long inlen,
+                        unsigned long *outlen);
+
+/* VA list handy helpers */
+int der_encode_sequence_multi(unsigned char *out, unsigned long *outlen, ...);
+int der_decode_sequence_multi(const unsigned char *in, unsigned long inlen, ...);
+
+/* INTEGER */
+int der_encode_integer(mp_int *num, unsigned char *out, unsigned long *outlen);
+int der_decode_integer(const unsigned char *in, unsigned long inlen, mp_int *num);
+int der_length_integer(mp_int *num, unsigned long *len);
+
+/* INTEGER -- handy for 0..2^32-1 values */
+int der_decode_short_integer(const unsigned char *in, unsigned long inlen, unsigned long *num);
+int der_encode_short_integer(unsigned long num, unsigned char *out, unsigned long *outlen);
+int der_length_short_integer(unsigned long num, unsigned long *outlen);
+
+/* BIT STRING */
+int der_encode_bit_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_decode_bit_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_length_bit_string(unsigned long nbits, unsigned long *outlen);
+
+/* OCTET STRING */
+int der_encode_octet_string(const unsigned char *in, unsigned long inlen,
+                                  unsigned char *out, unsigned long *outlen);
+int der_decode_octet_string(const unsigned char *in, unsigned long inlen,
+                                  unsigned char *out, unsigned long *outlen);
+int der_length_octet_string(unsigned long noctets, unsigned long *outlen);
+
+/* OBJECT IDENTIFIER */
+int der_encode_object_identifier(unsigned long *words, unsigned long  nwords,
+                                 unsigned char *out,   unsigned long *outlen);
+int der_decode_object_identifier(const unsigned char *in,    unsigned long  inlen,
+                                       unsigned long *words, unsigned long *outlen);
+int der_length_object_identifier(unsigned long *words, unsigned long nwords, unsigned long *outlen);
+unsigned long der_object_identifier_bits(unsigned long x);
+
+/* IA5 STRING */
+int der_encode_ia5_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_decode_ia5_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_length_ia5_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen);
+
+int der_ia5_char_encode(int c);
+int der_ia5_value_decode(int v);
+
+/* Printable STRING */
+int der_encode_printable_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_decode_printable_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_length_printable_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen);
+
+int der_printable_char_encode(int c);
+int der_printable_value_decode(int v);
+
+/* CHOICE */
+int der_decode_choice(const unsigned char *in,   unsigned long *inlen,
+                            ltc_asn1_list *list, unsigned long  outlen);
+
+/* UTCTime */
+typedef struct {
+   unsigned YY, /* year */
+            MM, /* month */
+            DD, /* day */
+            hh, /* hour */
+            mm, /* minute */
+            ss, /* second */
+            off_dir, /* timezone offset direction 0 == +, 1 == - */
+            off_hh, /* timezone offset hours */
+            off_mm; /* timezone offset minutes */
+} ltc_utctime;
+
+int der_encode_utctime(ltc_utctime *utctime, 
+                       unsigned char *out,   unsigned long *outlen);
+
+int der_decode_utctime(const unsigned char *in, unsigned long *inlen,
+                             ltc_utctime   *out);
+
+int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen);
+
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_pk.h,v $ */
+/* $Revision: 1.30 $ */
+/* $Date: 2005/06/19 11:23:03 $ */