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comparison mycrypt_pk.h @ 15:6362d3854bb4 libtomcrypt-orig

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0.96 release of LibTomCrypt
author Matt Johnston <matt@ucc.asn.au>
date Tue, 15 Jun 2004 14:07:21 +0000
parents 7faae8f46238
children 5d99163f7e32
comparison
equal deleted inserted replaced
3:7faae8f46238 15:6362d3854bb4
1 /* ---- NUMBER THEORY ---- */ 1 /* ---- NUMBER THEORY ---- */
2 #ifdef MPI 2 #ifdef MPI
3 3
4 #include "tommath.h" 4 #include "ltc_tommath.h"
5 5
6 /* in/out macros */ 6 /* in/out macros */
7 #define OUTPUT_BIGNUM(num, out, y, z) \ 7 #define OUTPUT_BIGNUM(num, out, y, z) \
8 { \ 8 { \
9 if ((y + 4) > *outlen) { return CRYPT_BUFFER_OVERFLOW; } \ 9 if ((y + 4) > *outlen) { return CRYPT_BUFFER_OVERFLOW; } \
84 /* Min and Max RSA key sizes (in bits) */ 84 /* Min and Max RSA key sizes (in bits) */
85 #define MIN_RSA_SIZE 1024 85 #define MIN_RSA_SIZE 1024
86 #define MAX_RSA_SIZE 4096 86 #define MAX_RSA_SIZE 4096
87 87
88 /* Stack required for temps (plus padding) */ 88 /* Stack required for temps (plus padding) */
89 #define RSA_STACK (8 + (MAX_RSA_SIZE/8)) 89 // #define RSA_STACK (8 + (MAX_RSA_SIZE/8))
90 90
91 typedef struct Rsa_key { 91 typedef struct Rsa_key {
92 int type; 92 int type;
93 mp_int e, d, N, qP, pQ, dP, dQ, p, q; 93 mp_int e, d, N, qP, pQ, dP, dQ, p, q;
94 } rsa_key; 94 } rsa_key;
95 95
96 extern int rsa_make_key(prng_state *prng, int wprng, int size, long e, rsa_key *key); 96 extern int rsa_make_key(prng_state *prng, int wprng, int size, long e, rsa_key *key);
97 97
98 extern int rsa_exptmod(const unsigned char *in, unsigned long inlen, 98 extern int rsa_exptmod(const unsigned char *in, unsigned long inlen,
99 unsigned char *out, unsigned long *outlen, int which, 99 unsigned char *out, unsigned long *outlen, int which,
100 rsa_key *key); 100 prng_state *prng, int prng_idx,
101 101 rsa_key *key);
102 extern int rsa_pad(const unsigned char *in, unsigned long inlen, 102
103 unsigned char *out, unsigned long *outlen, 103 #ifdef RSA_TIMING
104 int wprng, prng_state *prng); 104
105 105 extern int tim_exptmod(prng_state *prng, int prng_idx,
106 extern int rsa_signpad(const unsigned char *in, unsigned long inlen, 106 mp_int *c, mp_int *e, mp_int *d, mp_int *n, mp_int *m);
107 unsigned char *out, unsigned long *outlen); 107
108 108 #else
109 extern int rsa_depad(const unsigned char *in, unsigned long inlen, 109
110 unsigned char *out, unsigned long *outlen); 110 #define tim_exptmod(prng, prng_idx, c, e, d, n, m) mpi_to_ltc_error(mp_exptmod(c, d, n, m))
111 111
112 extern int rsa_signdepad(const unsigned char *in, unsigned long inlen, 112 #endif
113 unsigned char *out, unsigned long *outlen);
114
115 113
116 extern void rsa_free(rsa_key *key); 114 extern void rsa_free(rsa_key *key);
117 115
118 extern int rsa_encrypt_key(const unsigned char *inkey, unsigned long inlen, 116 int rsa_encrypt_key(const unsigned char *inkey, unsigned long inlen,
119 unsigned char *outkey, unsigned long *outlen, 117 unsigned char *outkey, unsigned long *outlen,
120 prng_state *prng, int wprng, rsa_key *key); 118 const unsigned char *lparam, unsigned long lparamlen,
121 119 prng_state *prng, int prng_idx, int hash_idx, rsa_key *key);
122 extern int rsa_decrypt_key(const unsigned char *in, unsigned long inlen, 120
123 unsigned char *outkey, unsigned long *keylen, 121 int rsa_decrypt_key(const unsigned char *in, unsigned long inlen,
124 rsa_key *key); 122 unsigned char *outkey, unsigned long *keylen,
125 123 const unsigned char *lparam, unsigned long lparamlen,
126 extern int rsa_sign_hash(const unsigned char *in, unsigned long inlen, 124 prng_state *prng, int prng_idx,
127 unsigned char *out, unsigned long *outlen, 125 int hash_idx, int *res,
128 rsa_key *key); 126 rsa_key *key);
129 127
130 extern int rsa_verify_hash(const unsigned char *sig, unsigned long siglen, 128 int rsa_sign_hash(const unsigned char *msghash, unsigned long msghashlen,
131 const unsigned char *hash, int *stat, rsa_key *key); 129 unsigned char *sig, unsigned long *siglen,
132 130 prng_state *prng, int prng_idx,
133 extern int rsa_export(unsigned char *out, unsigned long *outlen, int type, rsa_key *key); 131 int hash_idx, unsigned long saltlen,
134 extern int rsa_import(const unsigned char *in, unsigned long inlen, rsa_key *key); 132 rsa_key *key);
133
134 int rsa_verify_hash(const unsigned char *sig, unsigned long siglen,
135 const unsigned char *msghash, unsigned long msghashlen,
136 prng_state *prng, int prng_idx,
137 int hash_idx, unsigned long saltlen,
138 int *stat, rsa_key *key);
139
140 int rsa_export(unsigned char *out, unsigned long *outlen, int type, rsa_key *key);
141 int rsa_import(const unsigned char *in, unsigned long inlen, rsa_key *key);
142
135 #endif 143 #endif
136 144
137 /* ---- DH Routines ---- */ 145 /* ---- DH Routines ---- */
138 #ifdef MDH 146 #ifdef MDH
139 147