Lines Matching refs:bn
63 #define bn_new(bn) \ argument
65 bn = av_malloc(sizeof(*bn)); \
66 if (bn) \
67 mpz_init2(bn, 1); \
69 #define bn_free(bn) \ argument
71 mpz_clear(bn); \
72 av_free(bn); \
74 #define bn_set_word(bn, w) mpz_set_ui(bn, w) argument
77 #define bn_sub_word(bn, w) mpz_sub_ui(bn, bn, w) argument
78 #define bn_cmp_1(bn) mpz_cmp_ui(bn, 1) argument
79 #define bn_num_bytes(bn) (mpz_sizeinbase(bn, 2) + 7) / 8 argument
80 #define bn_bn2bin(bn, buf, len) \ argument
83 if (bn_num_bytes(bn) <= len) \
84 mpz_export(buf, NULL, 1, 1, 0, 0, bn); \
86 #define bn_bin2bn(bn, buf, len) \ argument
88 bn_new(bn); \
89 if (bn) \
90 mpz_import(bn, len, 1, 1, 0, 0, buf); \
92 #define bn_hex2bn(bn, buf, ret) \ argument
94 bn_new(bn); \
95 if (bn) \
96 ret = (mpz_set_str(bn, buf, 16) == 0); \
100 #define bn_random(bn, num_bits) \ argument
103 mpz_set_ui(bn, 0); \
105 mpz_mul_2exp(bn, bn, 32); \
106 mpz_add_ui(bn, bn, av_get_random_seed()); \
108 mpz_fdiv_r_2exp(bn, bn, num_bits); \
110 static int bn_modexp(FFBigNum bn, FFBigNum y, FFBigNum q, FFBigNum p) in bn_modexp() argument
112 mpz_powm(bn, y, q, p); in bn_modexp()
116 #define bn_new(bn) \ argument
124 bn = gcry_mpi_new(1); \
126 #define bn_free(bn) gcry_mpi_release(bn) argument
127 #define bn_set_word(bn, w) gcry_mpi_set_ui(bn, w) argument
130 #define bn_sub_word(bn, w) gcry_mpi_sub_ui(bn, bn, w) argument
131 #define bn_cmp_1(bn) gcry_mpi_cmp_ui(bn, 1) argument
132 #define bn_num_bytes(bn) (gcry_mpi_get_nbits(bn) + 7) / 8 argument
133 #define bn_bn2bin(bn, buf, len) gcry_mpi_print(GCRYMPI_FMT_USG, buf, len, NULL, bn) argument
134 #define bn_bin2bn(bn, buf, len) gcry_mpi_scan(&bn, GCRYMPI_FMT_USG, buf, len, NULL) argument
135 #define bn_hex2bn(bn, buf, ret) ret = (gcry_mpi_scan(&bn, GCRYMPI_FMT_HEX, buf, 0, 0) == 0) argument
136 #define bn_random(bn, num_bits) gcry_mpi_randomize(bn, num_bits, GCRY_WEAK_RANDOM) argument
137 static int bn_modexp(FFBigNum bn, FFBigNum y, FFBigNum q, FFBigNum p) in bn_modexp() argument
139 gcry_mpi_powm(bn, y, q, p); in bn_modexp()
143 #define bn_new(bn) bn = BN_new() argument
144 #define bn_free(bn) BN_free(bn) argument
145 #define bn_set_word(bn, w) BN_set_word(bn, w) argument
148 #define bn_sub_word(bn, w) BN_sub_word(bn, w) argument
149 #define bn_cmp_1(bn) BN_cmp(bn, BN_value_one()) argument
150 #define bn_num_bytes(bn) BN_num_bytes(bn) argument
151 #define bn_bn2bin(bn, buf, len) BN_bn2bin(bn, buf) argument
152 #define bn_bin2bn(bn, buf, len) bn = BN_bin2bn(buf, len, 0) argument
153 #define bn_hex2bn(bn, buf, ret) ret = BN_hex2bn(&bn, buf) argument
154 #define bn_random(bn, num_bits) BN_rand(bn, num_bits, 0, 0) argument
155 static int bn_modexp(FFBigNum bn, FFBigNum y, FFBigNum q, FFBigNum p) in bn_modexp() argument
160 if (!BN_mod_exp(bn, y, q, p, ctx)) { in bn_modexp()
168 #define bn_new(bn) \ argument
170 bn = av_malloc(sizeof(*bn)); \
171 if (bn) \
172 mbedtls_mpi_init(bn); \
174 #define bn_free(bn) \ argument
176 mbedtls_mpi_free(bn); \
177 av_free(bn); \
179 #define bn_set_word(bn, w) mbedtls_mpi_lset(bn, w) argument
182 #define bn_sub_word(bn, w) mbedtls_mpi_sub_int(bn, bn, w) argument
183 #define bn_cmp_1(bn) mbedtls_mpi_cmp_int(bn, 1) argument
184 #define bn_num_bytes(bn) (mbedtls_mpi_bitlen(bn) + 7) / 8 argument
185 #define bn_bn2bin(bn, buf, len) mbedtls_mpi_write_binary(bn, buf, len) argument
186 #define bn_bin2bn(bn, buf, len) \ argument
188 bn_new(bn); \
189 if (bn) \
190 mbedtls_mpi_read_binary(bn, buf, len); \
192 #define bn_hex2bn(bn, buf, ret) \ argument
194 bn_new(bn); \
195 if (bn) \
196 ret = (mbedtls_mpi_read_string(bn, 16, buf) == 0); \
200 #define bn_random(bn, num_bits) \ argument
211 mbedtls_mpi_fill_random(bn, (num_bits + 7) / 8, mbedtls_ctr_drbg_random, &ctr_drbg_ctx); \
215 #define bn_modexp(bn, y, q, p) mbedtls_mpi_exp_mod(bn, y, q, p, 0) argument
282 FFBigNum bn = NULL; in dh_is_valid_public_key() local
285 bn_new(bn); in dh_is_valid_public_key()
286 if (!bn) in dh_is_valid_public_key()
290 bn_set_word(bn, 1); in dh_is_valid_public_key()
291 if (!bn_cmp(y, bn)) in dh_is_valid_public_key()
295 bn_copy(bn, p); in dh_is_valid_public_key()
296 bn_sub_word(bn, 1); in dh_is_valid_public_key()
297 if (!bn_cmp(y, bn)) in dh_is_valid_public_key()
307 if ((ret = bn_modexp(bn, y, q, p)) < 0) in dh_is_valid_public_key()
311 if (bn_cmp_1(bn)) in dh_is_valid_public_key()
316 bn_free(bn); in dh_is_valid_public_key()