#include "mbedtls/md5.h" #include #include void setup() { Serial.begin(115200); delay(2000); const char* data = "Hello World"; { uint8_t md5[16]; mbedtls_md5_context _ctx; mbedtls_md5_init(&_ctx); mbedtls_md5_starts(&_ctx); mbedtls_md5_update(&_ctx, (const unsigned char*)data, strlen(data)); mbedtls_md5_finish(&_ctx, md5); char output[33]; for (int i = 0; i < 16; i++) { sprintf_P(output + (i * 2), PSTR("%02x"), md5[i]); } Serial.println(String(output)); } { MD5Builder md5; md5.begin(); md5.add(data, strlen(data); md5.calculate(); char output[33]; md5.getChars(output); Serial.println(String(output)); } } void loop() { }