The term c. diphtheriae is identified in base64 scheme by the sequence Yy4gZGlwaHRoZXJpYWU=, while the MD5 signature is equal to a91d1dfda1e68a47c62f893ddc5f1679. The ASCII encoding of c. diphtheriae in hexadecimal notation is 632e206469706874686572696165.