EVP_read_pw_string_min
int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
LCRYPTO_ALIAS(EVP_read_pw_string_min);
return EVP_read_pw_string_min(buf, 0, len, prompt, verify);
LCRYPTO_USED(EVP_read_pw_string_min);
i = EVP_read_pw_string_min(buf, MIN_LENGTH, num, prompt, w);