Changes between Version 17 and Version 18 of NewMutableEncodingDesign


Ignore:
Timestamp:
2010-01-14T01:16:50Z (15 years ago)
Author:
davidsarah
Comment:

Use lafs: as example prefix, because tahoe: collides with the default alias

Legend:

Unmodified
Added
Removed
Modified

  • NewMutableEncodingDesign

    v17 v18  
    6161[96 bits is too short IMHO --David-Sarah]
    6262
    63 Assuming a {{{tahoe:}}} prefix and no additional metadata, here's what
     63Assuming a {{{lafs:}}} prefix and no additional metadata, here's what
    6464various lengths of base62-encoded filecaps would look like:
    6565
    6666 * 1*K:
    67   * 96 {{{tahoe:14efs6T5YNim0vDVV}}}
    68   * 128 {{{tahoe:4V2uIYVX0PcHu9fQrJ3GSH}}}
    69   * 160 {{{tahoe:8gdR7Epld72UvkF6Pe9hhT8NQx3}}}
     67  * 96 {{{lafs:14efs6T5YNim0vDVV}}}
     68  * 128 {{{lafs:4V2uIYVX0PcHu9fQrJ3GSH}}}
     69  * 160 {{{lafs:8gdR7Epld72UvkF6Pe9hhT8NQx3}}}
    7070 * 2*K:
    71   * 192 {{{tahoe:072Og6e75IOP9ZZsbR1Twjs6X5xXJnBAF}}}
    72   * 256 {{{tahoe:fZeioazoWrO62reiAjzUAyV0uz3ssh6Hnanv8cKMClY}}}
    73   * 320 {{{tahoe:j6Re0BbWp7DqJtgd9fUXl4pWiD5kr1mjT9DtudJ72o0vhPen83Utza}}}
     71  * 192 {{{lafs:072Og6e75IOP9ZZsbR1Twjs6X5xXJnBAF}}}
     72  * 256 {{{lafs:fZeioazoWrO62reiAjzUAyV0uz3ssh6Hnanv8cKMClY}}}
     73  * 320 {{{lafs:j6Re0BbWp7DqJtgd9fUXl4pWiD5kr1mjT9DtudJ72o0vhPen83Utza}}}
    7474 * 3*K:
    75   * 288 {{{tahoe:11DriaxD9nipA10ueBvv5uoMoehvxgPerpQiXyvMPeiUUdtf6}}}
    76   * 384 {{{tahoe:3a31SqUbf8fpWE1opRCT3coDhRqTU7bDU2AvC3RQJBu6ZNFhVscyxA9slYtPVT79x}}}
    77   * 480 {{{tahoe:P6rGeI6CwlG4i8W2l6haSoC9rfPjw0KHBi8xAk4F8vdhnRhL8nwE27CitJ9Rld06HuKt8VucypJRcbGFo}}}
     75  * 288 {{{lafs:11DriaxD9nipA10ueBvv5uoMoehvxgPerpQiXyvMPeiUUdtf6}}}
     76  * 384 {{{lafs:3a31SqUbf8fpWE1opRCT3coDhRqTU7bDU2AvC3RQJBu6ZNFhVscyxA9slYtPVT79x}}}
     77  * 480 {{{lafs:P6rGeI6CwlG4i8W2l6haSoC9rfPjw0KHBi8xAk4F8vdhnRhL8nwE27CitJ9Rld06HuKt8VucypJRcbGFo}}}
    7878
    7979Adding 2 metadata characters and a clear separator gives us:
    8080
    81  * 96: {{{tahoe:MW-14efs6T5YNim0vDVV}}}
    82  * 128: {{{tahoe:DW-4V2uIYVX0PcHu9fQrJ3GSH}}}
    83  * 160: {{{tahoe:DW-8gdR7Epld72UvkF6Pe9hhT8NQx3}}}
    84  * 192: {{{tahoe:MR-072Og6e75IOP9ZZsbR1Twjs6X5xXJnBAF}}}
    85  * 256: {{{tahoe:DR-fZeioazoWrO62reiAjzUAyV0uz3ssh6Hnanv8cKMClY}}}
    86  * 288: {{{tahoe:MV-11DriaxD9nipA10ueBvv5uoMoehvxgPerpQiXyvMPeiUUdtf6}}}
    87  * 320: {{{tahoe:MR-j6Re0BbWp7DqJtgd9fUXl4pWiD5kr1mjT9DtudJ72o0vhPen83Utza}}}
    88  * 384: {{{tahoe:DV-3a31SqUbf8fpWE1opRCT3coDhRqTU7bDU2AvC3RQJBu6ZNFhVscyxA9slYtPVT79x}}}
    89  * 480: {{{tahoe:MV-P6rGeI6CwlG4i8W2l6haSoC9rfPjw0KHBi8xAk4F8vdhnRhL8nwE27CitJ9Rld06HuKt8VucypJRcbGFo}}}
     81 * 96: {{{lafs:MW-14efs6T5YNim0vDVV}}}
     82 * 128: {{{lafs:DW-4V2uIYVX0PcHu9fQrJ3GSH}}}
     83 * 160: {{{lafs:DW-8gdR7Epld72UvkF6Pe9hhT8NQx3}}}
     84 * 192: {{{lafs:MR-072Og6e75IOP9ZZsbR1Twjs6X5xXJnBAF}}}
     85 * 256: {{{lafs:DR-fZeioazoWrO62reiAjzUAyV0uz3ssh6Hnanv8cKMClY}}}
     86 * 288: {{{lafs:MV-11DriaxD9nipA10ueBvv5uoMoehvxgPerpQiXyvMPeiUUdtf6}}}
     87 * 320: {{{lafs:MR-j6Re0BbWp7DqJtgd9fUXl4pWiD5kr1mjT9DtudJ72o0vhPen83Utza}}}
     88 * 384: {{{lafs:DV-3a31SqUbf8fpWE1opRCT3coDhRqTU7bDU2AvC3RQJBu6ZNFhVscyxA9slYtPVT79x}}}
     89 * 480: {{{lafs:MV-P6rGeI6CwlG4i8W2l6haSoC9rfPjw0KHBi8xAk4F8vdhnRhL8nwE27CitJ9Rld06HuKt8VucypJRcbGFo}}}
    9090
    9191[http://allmydata.org/trac/tahoe/ticket/217#comment:44 #217:c44] says that,