Header: Version: 2, Id: d839806747918e345633fcdd0988e67c, assuming AES-SIV-512 mode Block 0: IV: 1d3ce2b13260f83766ccf9a670478a4b, Tag: 0b6f95bd523b4c93704e15ecc6bef8e7, Offset: 18 Len: 4128 Block 1: IV: 7eb947d2adf18adf3bed39bbc8052968, Tag: 1a272903e5a987f53f07344840387c20, Offset: 4146 Len: 936