* Step 1-3: * set r = (e+x) mod n */key_tries=0;do{MBEDTLS_MPI_CHK(mbedtls_ecp_gen_keypair(grp,&k,&R,f_rng,p_rng));MBEDTLS_MPI_CHK(mbedtls_mpi_add_mpi(&l,&e,&R.X));MBEDTLS_MPI_CHK(mbedtls_mpi_mod_mpi(r,&l,&grp->N));if(key_tries++>10){ret=MBEDTLS_ERR_ECP_...
We observed that the mbedtls_mpi_exp_mod() function takes much more time to complete in v3.6.0 than in v3.5.2 (about 16 times more). The platform is OP-TEE OS running in QEMU (arm32). See OP-TEE/optee_os#6797 and in particular this commi...
( mbedtls_mpi_mod_mpi( &ctx->DP , &ctx->D , &P1 ) ); 00140 MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( &ctx->DQ , &ctx->D , &Q1 ) ); 00141 MBEDTLS_MPI_CHK( mbedtls_mpi_inv_mod( &ctx->QP , &ctx->Q , &ctx->P ) ); 00142 00143 ctx->len = ( mbedtls_mpi_bitlen( &...
// 计算公钥intA=(G^a)%P=(5^9)%82=12; 然后,Bob 收到来自 Alice 发来的 P、G、A,知道了 Alice 的公钥 A。此时,Bob 也生成一个自己的私钥b,然后通过公式B = G^b mod P生成自己公钥B。在发送自己的公钥 B 前,Bob 通过Kb = A^b mod P生成 Kb 作为公共秘钥,但这K并不发送给 Alice,只会将...
"bignum_mod_raw.h" #include "bignum_mod.h" #include "constant_time_internal.h" #include "bignum_mod_raw_invasive.h" void mbedtls_mpi_mod_raw_cond_assign(mbedtls_mpi_uint *X, const mbedtls_mpi_uint *A, const mbedtls_mpi_mod_modulus *N, unsigned char assign) { mbedtls_...
mbedtls_mpi_init 初始化大数结构体 mbedtls_mpi_read_string 将字符串读取到大数结构体中 mbedtls_mpi_write_string 将大数结构体以字符串形式写入数组中 mbedtls_mpi_mul_mpi 大数乘法运算 mbedtls_mpi_exp_mod 大数模指数运算 mbedtls_mpi_inv_mod 大数模逆运算 ...
MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: GY", &ssl->handshake->dhm_ctx.GY ); 03079 03080 return( ret ); 03081 } 03082 #endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED || 03083 MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */ 03084 03085 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) || \ 03086...
mbedtls_mpi_free( &s );return( ret ); } 开发者ID:N00byEdge,项目名称:seb-mac,代码行数:36,代码来源:ecdsa.c 示例2: esp_mpi_mul_mpi_mod ▲点赞 7▼ /* Z = (X * Y) mod M Not an mbedTLS function */intesp_mpi_mul_mpi_mod(mbedtls_mpi *Z,constmbedtls_mpi *X,constmbedtls_mpi...
> mbedtls_mpi_core_exp_mod - 560 +560 > mbedtls_sha512_finish - 556 +556 > mscode_parse 28 580 +552 > mbedtls_x509_get_time - 552 +552 > mbedtls_x509_get_name - 516 +516 > mbedtls_sha256_finish - 484 +484 > mbedtls_rsa_validate_crt - 464 +464 ...
void mbedtls_mpi_core_bigendian_to_host(mbedtls_mpi_uint *A, size_t A_limbs) { mbedtls_mpi_uint *cur_limb_left; mbedtls_mpi_uint *cur_limb_right; if (A_limbs == 0) { return; } /* * Traverse limbs and * - adapt byte-order in each limb * - swap th...