mbedtls_mpi_write_string(&ctx->P , 16, buf, sizeof(buf), &olen); mbedtls_printf("P: %s\n", buf); mbedtls_mpi_write_string(&ctx->Q , 16, buf, sizeof(buf), &olen); mbedtls_printf("Q: %s\n", buf); mbedtls_mpi_write_string(&ctx->DP, 16, buf, sizeof(buf), &olen); ...
mbedtls_mpi_write_binary(&server_secret, buf, sizeof(buf)); dump_buf(buf, olen); /* 8. mpi compare */ ret = mbedtls_mpi_cmp_mpi(&server_secret, &client_secret); printf("compare result: %d\r\n", ret); exit: /* 10. release structure */ mbedtls_ctr_drbg_free(&ctr_drbg); mb...
ECDSA私钥可通过mbedtls_mpi_read_binary导入,ECDSA公钥可通过mbedtls_ecp_point_read_binary导入。 4. 数字签名加签 int mbedtls_ecdsa_write_signature( mbedtls_ecdsa_context *ctx, mbedtls_md_type_t md_alg, const unsigned char *hash, size_t hlen, unsigned char *sig, size_t *slen, int (*f_rng...
mbedtls_hmac_drbg_init( &rng_ctx );/* Use private key and message hash (reduced) to initialize HMAC_DRBG */MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( d, data, grp_len ) );MBEDTLS_MPI_CHK( derive_mpi( grp, &h, buf, blen ) );MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( &h, da...
mbedtls_ecdh_gen_public returned %d(-0x%04x)\n",ret,-ret);gotoexit;}printf(" ok\n");/* show public parameter */mbedtls_ecp_point_write_binary(&grp,&client_pub,MBEDTLS_ECP_PF_UNCOMPRESSED,&olen,buf,sizeof(buf));dump_buf(buf,olen);/* 5. Client generate public parameter */printf("...
MBEDTLS_MPI_CHK( mbedtls_mpi_write_binary( X, *p, len ) );// DER format assumes 2s complement for numbers, so the leftmost bit// should be 0 for positive numbers and 1 for negative numbers.//if( X->s ==1&& **p &0x80)
uint32_t status= mbedtls_mpi_read_binary(&mpi, m_certificate->serial.p, m_certificate->serial.len);constint32_t strMaxLen =128;charstr[strMaxLen] = {0}; size_t returnLen; uint32_t radix=16; status= mbedtls_mpi_write_string(&mpi, radix, str, strMaxLen, &returnLen); ...
MCHECK(mbedtls_mpi_write_binary(&r, signature, U2F_EC_BIGNUM_SIZE)); MCHECK(mbedtls_mpi_write_binary(&s, signature + U2F_EC_BIGNUM_SIZE, U2F_EC_BIGNUM_SIZE)); mbedtls_mpi_free(&r); mbedtls_mpi_free(&s); mbedtls_mpi_free(&d); } static void u2f_ecc_compute_public_key( mbedtls_ec...
0 if successful, or a MBEDTLS_ERR_MPI_XXX error code Definition at line425of fileecp.c. int mbedtls_ecp_point_write_binary(constmbedtls_ecp_group*grp, constmbedtls_ecp_point*P, intformat, size_t *olen, unsigned char *buf, size_tbuflen ...
{ 00093 int ret; 00094 mbedtls_mpi P1, Q1, H, G; 00095 00096 if( f_rng == NULL || nbits < 128 || exponent < 3 ) 00097 return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA ); 00098 00099 mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 ); mbedtls_mpi_init( &H ); mbedtls_mpi_init(...