<s>[INST] sign a hawk request string . concode_field_sep int HAWK_HEADER_VERSION concode_elem_sep long skewSeconds concode_elem_sep String LOG_TAG concode_elem_sep boolean includePayloadHash concode_elem_sep String id concode_elem_sep String HMAC_SHA256_ALGORITHM concode_elem_sep int NONCE_LENGTH_IN_BYTES concode_elem_sep byte[] key concode_field_sep long getTimestampSeconds concode_elem_sep String getPayloadHashString concode_elem_sep byte[] hmacSha256 concode_elem_sep long now concode_elem_sep String escapeExtraString concode_elem_sep String getBaseContentType concode_elem_sep String escapeExtraHeaderAttribute concode_elem_sep byte[] getPayloadHash concode_elem_sep String getRequestString concode_elem_sep Header getAuthHeader concode_elem_sep Header getAuthHeader [/INST] String function ( byte [ ] arg0 , byte [ ] arg1 ) { return Base64 . encodeBase64String ( hmacSha256 ( arg0 , arg1 ) ) ; </s>