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Fix digests table in 1.1 #663

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Nov 21, 2024
Merged

Fix digests table in 1.1 #663

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0d814ad
Fix digests table in 1.1
zimeon Nov 21, 2024
af2469a
Merge branch 'main' into digests-table-1-1
zimeon Nov 21, 2024
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23 changes: 5 additions & 18 deletions 1.1/spec/index.md
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Expand Up @@ -330,24 +330,11 @@ supported by a client <span id="E028" class="rfc2119">MUST</span> be ignored by

| Digest Algorithm Name | Note |
| --- | --- |
| `md5` | Insecure. Use only for legacy fixity values. MD5 algorithm and hex encoding defined by
\[[RFC1321](#ref-rfc1321)\].
For example, the `md5` digest of a zero-length bitstream is `d41d8cd98f00b204e9800998ecf8427e`. |
| `sha1` | Insecure. Use only for legacy fixity values. SHA-1 algorithm defined by \[[FIPS-180-4](#ref-fips-180-4)\] and
<span id="E029" class="rfc2119">MUST</span> be encoded using hex (base16) encoding \[[RFC4648](#ref-rfc4648)\].
For example, the `sha1` digest of a zero-length bitstream is `da39a3ee5e6b4b0d3255bfef95601890afd80709`. |
| `sha256` | Non-truncated form only; note performance implications. SHA-256 algorithm defined by
\[[FIPS-180-4](#ref-fips-180-4)\] and <span id="E030" class="rfc2119">MUST</span> be encoded using hex (base16) encoding
\[[RFC4648](#ref-rfc4648)\]. For example, the `sha256` digest of a zero-length bitstream starts
`e3b0c44298fc1c149afbf4c8996fb92427ae41e4...` (64 hex digits long). |
| `sha512` | Default choice. Non-truncated form only. SHA-512 algorithm defined by \[[FIPS-180-4](#ref-fips-180-4)\] and
<span id="E031" class="rfc2119">MUST</span> be encoded using hex (base16) encoding \[[RFC4648](#ref-rfc4648)\].
For example, the `sha512` digest of a zero-length bitstream starts `cf83e1357eefb8bdf1542850d66d8007d620e405...`
(128 hex digits long). |
| `blake2b-512` | Full-length form only, using the 2B variant (64 bit) as defined by \[[RFC7693](#ref-rfc7693)\].
<span id="E032" class="rfc2119">MUST</span> be encoded using hex (base16) encoding \[[RFC4648](#ref-rfc4648)\].
For example, the `blake2b-512` digest of a zero-length bitstream starts `786a02f742015903c6c6fd852552d272912f4740...`
(128 hex digits long). |
| `md5` | Insecure. Use only for legacy fixity values. MD5 algorithm and hex encoding defined by \[[RFC1321](#ref-rfc1321)\]. For example, the `md5` digest of a zero-length bitstream is `d41d8cd98f00b204e9800998ecf8427e`. |
| `sha1` | Insecure. Use only for legacy fixity values. SHA-1 algorithm defined by \[[FIPS-180-4](#ref-fips-180-4)\] and <span id="E029" class="rfc2119">MUST</span> be encoded using hex (base16) encoding \[[RFC4648](#ref-rfc4648)\]. For example, the `sha1` digest of a zero-length bitstream is `da39a3ee5e6b4b0d3255bfef95601890afd80709`. |
| `sha256` | Non-truncated form only; note performance implications. SHA-256 algorithm defined by \[[FIPS-180-4](#ref-fips-180-4)\] and <span id="E030" class="rfc2119">MUST</span> be encoded using hex (base16) encoding \[[RFC4648](#ref-rfc4648)\]. For example, the `sha256` digest of a zero-length bitstream starts `e3b0c44298fc1c149afbf4c8996fb92427ae41e4...` (64 hex digits long). |
| `sha512` | Default choice. Non-truncated form only. SHA-512 algorithm defined by \[[FIPS-180-4](#ref-fips-180-4)\] and <span id="E031" class="rfc2119">MUST</span> be encoded using hex (base16) encoding \[[RFC4648](#ref-rfc4648)\]. For example, the `sha512` digest of a zero-length bitstream starts `cf83e1357eefb8bdf1542850d66d8007d620e405...` (128 hex digits long). |
| `blake2b-512` | Full-length form only, using the 2B variant (64 bit) as defined by \[[RFC7693](#ref-rfc7693)\]. <span id="E032" class="rfc2119">MUST</span> be encoded using hex (base16) encoding \[[RFC4648](#ref-rfc4648)\]. For example, the `blake2b-512` digest of a zero-length bitstream starts `786a02f742015903c6c6fd852552d272912f4740...` (128 hex digits long). |

An OCFL Inventory <span class="rfc2119">MAY</span> contain a fixity section that can store one or more blocks containing
fixity values using multiple digest algorithms. See the [section on fixity](#fixity) below for further details.
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