The term ivan iv vasilievich is identified in base64 scheme by the sequence aXZhbiBpdiB2YXNpbGlldmljaA==, while the MD5 signature is equal to e01a0ff794e334bb54f7ff5526ac45c0. The ASCII encoding of ivan iv vasilievich in hexadecimal notation is 6976616e20697620766173696c696576696368.