rfc9858v3.txt   rfc9858.txt 
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denote the SHA-256/192, SHAKE256/256, and SHAKE256/192 hash functions denote the SHA-256/192, SHAKE256/256, and SHAKE256/192 hash functions
defined in Section 2. defined in Section 2.
Remember that the C message randomizer (which is included in the Remember that the C message randomizer (which is included in the
signature) has the same size (n bytes) as the hash output, and so it signature) has the same size (n bytes) as the hash output, and so it
shrinks from 32 bytes to 24 bytes for the parameter sets that use shrinks from 32 bytes to 24 bytes for the parameter sets that use
either SHA-256/192 or SHAKE256/192. either SHA-256/192 or SHAKE256/192.
4. Additional LMS Parameter Sets 4. Additional LMS Parameter Sets
The table below defines the Leighton-Micali (LMS) parameters that use The table below defines several many-time signature parameters called
the SHA-256/192, SHAKE256/256, and SHAKE256/192 hash functions: Leighton-Micali Signature (LMS) parameters, using the SHA-256/192,
SHAKE256/256, and SHAKE256/192 hash functions:
+====================+==============+====+====+============+ +====================+==============+====+====+============+
| Parameter Set Name | H | m | h | id | | Parameter Set Name | H | m | h | id |
+====================+==============+====+====+============+ +====================+==============+====+====+============+
| LMS_SHA256_M24_H5 | SHA-256/192 | 24 | 5 | 0x0000000A | | LMS_SHA256_M24_H5 | SHA-256/192 | 24 | 5 | 0x0000000A |
+--------------------+--------------+----+----+------------+ +--------------------+--------------+----+----+------------+
| LMS_SHA256_M24_H10 | SHA-256/192 | 24 | 10 | 0x0000000B | | LMS_SHA256_M24_H10 | SHA-256/192 | 24 | 10 | 0x0000000B |
+--------------------+--------------+----+----+------------+ +--------------------+--------------+----+----+------------+
| LMS_SHA256_M24_H15 | SHA-256/192 | 24 | 15 | 0x0000000C | | LMS_SHA256_M24_H15 | SHA-256/192 | 24 | 15 | 0x0000000C |
+--------------------+--------------+----+----+------------+ +--------------------+--------------+----+----+------------+
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