string2hex        109 ext/openssl/ossl.h int string2hex(const unsigned char *, int, char **, int *);
string2hex        162 ext/openssl/ossl_hmac.c     if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * buf_len) {
string2hex        225 ext/openssl/ossl_hmac.c     if (string2hex(buf, buf_len, &hexbuf, NULL) != 2 * buf_len) {