Values reserved due to previous specification for Sprout
The following values were previously used in the specification of hierarchical derivation for Sprout, and therefore SHOULD NOT be used in future Zcash-related specifications:
- - the BLAKE2b-256 personalizations
-
- -
- \(\texttt{“ZcashIP32_Sprout”}\)
- , formerly specified for derivation of the master key of the Sprout tree;
- -
- \(\texttt{“Zcash_Sprout_AFP”}\)
- , formerly specified for generation of Sprout address fingerprints;
-
-
+ - the
+ \(\mathsf{BLAKE2b}\text{-}\mathsf{512}\)
+ personalization
+ \(\texttt{“ZcashIP32_Sprout”}\)
+ , formerly specified for derivation of the master key of the Sprout tree;
+ - the
+ \(\mathsf{BLAKE2b}\text{-}\mathsf{256}\)
+ personalization
+ \(\texttt{“Zcash_Sprout_AFP”}\)
+ , formerly specified for generation of Sprout address fingerprints;
- the
\(\mathsf{PRF^{expand}}\)
prefix
diff --git a/zip-0032.rst b/zip-0032.rst
index 2e6c00c9..faf058b6 100644
--- a/zip-0032.rst
+++ b/zip-0032.rst
@@ -629,13 +629,10 @@ Values reserved due to previous specification for Sprout
The following values were previously used in the specification of hierarchical derivation
for Sprout, and therefore SHOULD NOT be used in future Zcash-related specifications:
-* the BLAKE2b-256 personalizations
-
- * :math:`\texttt{“ZcashIP32_Sprout”}`, formerly specified for derivation of the master
- key of the Sprout tree;
- * :math:`\texttt{“Zcash_Sprout_AFP”}`, formerly specified for generation of Sprout
- address fingerprints;
-
+* the :math:`\mathsf{BLAKE2b}\text{-}\mathsf{512}` personalization :math:`\texttt{“ZcashIP32_Sprout”}`,
+ formerly specified for derivation of the master key of the Sprout tree;
+* the :math:`\mathsf{BLAKE2b}\text{-}\mathsf{256}` personalization :math:`\texttt{“Zcash_Sprout_AFP”}`,
+ formerly specified for generation of Sprout address fingerprints;
* the :math:`\mathsf{PRF^{expand}}` prefix :math:`\texttt{0x80}`, formerly specified for
Sprout child key derivation;
* the Bech32 Human-Readable Parts ``zxsprout`` and ``zxtestsprout``, formerly specified for