24 #ifndef LIBMBEDCRYPTO_H_
25 #define LIBMBEDCRYPTO_H_
29 #ifdef HAVE_LIBMBEDCRYPTO
31 #include <mbedtls/md.h>
32 #include <mbedtls/bignum.h>
33 #include <mbedtls/pk.h>
34 #include <mbedtls/cipher.h>
35 #include <mbedtls/entropy.h>
36 #include <mbedtls/ctr_drbg.h>
38 typedef mbedtls_md_context_t *SHACTX;
39 typedef mbedtls_md_context_t *SHA256CTX;
40 typedef mbedtls_md_context_t *SHA384CTX;
41 typedef mbedtls_md_context_t *SHA512CTX;
42 typedef mbedtls_md_context_t *MD5CTX;
43 typedef mbedtls_md_context_t *HMACCTX;
45 #define SHA_DIGEST_LENGTH 20
46 #define SHA_DIGEST_LEN SHA_DIGEST_LENGTH
47 #define MD5_DIGEST_LEN 16
48 #define SHA256_DIGEST_LENGTH 32
49 #define SHA256_DIGEST_LEN SHA256_DIGEST_LENGTH
50 #define SHA384_DIGEST_LENGTH 48
51 #define SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH
52 #define SHA512_DIGEST_LENGTH 64
53 #define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH
55 #ifndef EVP_MAX_MD_SIZE
56 #define EVP_MAX_MD_SIZE 64
59 #define EVP_DIGEST_LEN EVP_MAX_MD_SIZE
61 typedef mbedtls_mpi *bignum;
62 typedef const mbedtls_mpi *const_bignum;
63 typedef void* bignum_CTX;
66 #define NID_mbedtls_nistp256 0
67 #define NID_mbedtls_nistp384 1
68 #define NID_mbedtls_nistp521 2
70 struct mbedtls_ecdsa_sig {
75 bignum ssh_mbedcry_bn_new(
void);
76 void ssh_mbedcry_bn_free(bignum num);
77 unsigned char *ssh_mbedcry_bn2num(const_bignum num,
int radix);
78 int ssh_mbedcry_rand(bignum rnd,
int bits,
int top,
int bottom);
79 int ssh_mbedcry_is_bit_set(bignum num,
size_t pos);
80 int ssh_mbedcry_rand_range(bignum dest, bignum max);
81 int ssh_mbedcry_hex2bn(bignum *dest,
char *data);
83 #define bignum_new() ssh_mbedcry_bn_new()
84 #define bignum_safe_free(num) do { \
85 if ((num) != NULL) { \
86 ssh_mbedcry_bn_free(num); \
90 #define bignum_ctx_new() NULL
91 #define bignum_ctx_free(num) do {(num) = NULL;} while(0)
92 #define bignum_ctx_invalid(ctx) (ctx == NULL?0:1)
93 #define bignum_set_word(bn, n) (mbedtls_mpi_lset(bn, n)==0?1:0)
95 #define bignum_bin2bn(data, datalen, bn) do { \
96 *(bn) = bignum_new(); \
97 if (*(bn) != NULL) { \
98 mbedtls_mpi_read_binary(*(bn), data, datalen); \
101 #define bignum_bn2dec(num) ssh_mbedcry_bn2num(num, 10)
102 #define bignum_dec2bn(data, bn) mbedtls_mpi_read_string(bn, 10, data)
103 #define bignum_bn2hex(num, dest) (*dest)=ssh_mbedcry_bn2num(num, 16)
104 #define bignum_hex2bn(data, dest) ssh_mbedcry_hex2bn(dest, data)
105 #define bignum_rand(rnd, bits) ssh_mbedcry_rand((rnd), (bits), 0, 1)
106 #define bignum_rand_range(rnd, max) ssh_mbedcry_rand_range(rnd, max)
107 #define bignum_mod_exp(dest, generator, exp, modulo, ctx) \
108 (mbedtls_mpi_exp_mod(dest, generator, exp, modulo, NULL)==0?1:0)
109 #define bignum_add(dest, a, b) mbedtls_mpi_add_mpi(dest, a, b)
110 #define bignum_sub(dest, a, b) mbedtls_mpi_sub_mpi(dest, a, b)
111 #define bignum_mod(dest, a, b, ctx) \
112 (mbedtls_mpi_mod_mpi(dest, a, b) == 0 ? 1 : 0)
113 #define bignum_num_bytes(num) mbedtls_mpi_size(num)
114 #define bignum_num_bits(num) mbedtls_mpi_bitlen(num)
115 #define bignum_is_bit_set(num, bit) ssh_mbedcry_is_bit_set(num, bit)
116 #define bignum_bn2bin(num, len, ptr) mbedtls_mpi_write_binary(num, ptr, \
117 mbedtls_mpi_size(num))
118 #define bignum_cmp(num1, num2) mbedtls_mpi_cmp_mpi(num1, num2)
119 #define bignum_rshift1(dest, src) mbedtls_mpi_copy(dest, src), mbedtls_mpi_shift_r(dest, 1)
120 #define bignum_dup(orig, dest) do { \
121 if (*(dest) == NULL) { \
122 *(dest) = bignum_new(); \
124 if (*(dest) != NULL) { \
125 mbedtls_mpi_copy(orig, *(dest)); \
129 mbedtls_ctr_drbg_context *ssh_get_mbedtls_ctr_drbg_context(
void);
131 int ssh_mbedtls_random(
void *where,
int len,
int strong);
133 ssh_string make_ecpoint_string(
const mbedtls_ecp_group *g,
const
134 mbedtls_ecp_point *p);
136 #define ssh_fips_mode() false