string_to_hex
if (!(rdata = string_to_hex((char *)str, &rdlen))) {
key = string_to_hex(value, &keylen);
if ((hex = string_to_hex(hexstr, &length)) == NULL)
LCRYPTO_USED(string_to_hex);
key = string_to_hex(value, &keylen);
if ((lab = string_to_hex(value, &lablen)) == NULL)
ext_der = string_to_hex(value, &ext_len);
if (!(oct->data = string_to_hex(str, &length))) {
LCRYPTO_ALIAS(string_to_hex);
unsigned char *string_to_hex(const char *str, long *len);
if ((cfg.secret_key = string_to_hex(arg, <mp)) == NULL) {
if ((cfg.secret_keyid = string_to_hex(arg, <mp)) == NULL) {
if ((imprint = string_to_hex(digest,
md_value = string_to_hex(digest, &digest_len);