43       EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, key, key_len);  in EVP_HMAC()
44     if (NULL == pkey) return NULL;  in EVP_HMAC()
47     if (NULL == ctx) {  in EVP_HMAC()
49         return NULL;  in EVP_HMAC()
52     int rc = (1 == EVP_DigestSignInit(ctx, NULL, evp_md, NULL, pkey))  in EVP_HMAC()
57     return (1 == rc) ? md : NULL;  in EVP_HMAC()
98     if (0 != wc_HmacInit(&hmac, NULL, INVALID_DEVID)  in li_hmac_sha1()
106     return (NULL != HMAC(EVP_sha1(),  in li_hmac_sha1()
122     if (NULL == hmac)  in li_hmac_sha1()
174     if (0 != wc_HmacInit(&hmac, NULL, INVALID_DEVID)  in li_hmac_sha256()
182     return (NULL != HMAC(EVP_sha256(),  in li_hmac_sha256()
198     if (NULL == hmac)  in li_hmac_sha256()
250     if (0 != wc_HmacInit(&hmac, NULL, INVALID_DEVID)  in li_hmac_sha512()
258     return (NULL != HMAC(EVP_sha512(),  in li_hmac_sha512()
274     if (NULL == hmac)  in li_hmac_sha512()