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AWS cli documentation change

Service: cli · 2026-06-07 · Documentation low

File: cli/latest/reference/payment-cryptography/remove-key-replication-regions.md

Summary

Updated AWS CLI version reference and added HMAC key KCV computation documentation

Security assessment

Added technical specification for HMAC key verification process during key management operations. Documents security feature but shows no vulnerability evidence.

Diff

diff --git a/cli/latest/reference/payment-cryptography/remove-key-replication-regions.md b/cli/latest/reference/payment-cryptography/remove-key-replication-regions.md
index edcabeb42..0f9de457a 100644
--- a//cli/latest/reference/payment-cryptography/remove-key-replication-regions.md
+++ b//cli/latest/reference/payment-cryptography/remove-key-replication-regions.md
@@ -15 +15 @@
-  * [AWS CLI 2.34.61 Command Reference](../../index.html) »
+  * [AWS CLI 2.34.63 Command Reference](../../index.html) »
@@ -410 +410 @@ Key -> (structure)
->> For TDES keys, the KCV is computed by encrypting 8 bytes, each with value of zero, with the key to be checked and retaining the 3 highest order bytes of the encrypted result. For AES keys, the KCV is computed using a CMAC algorithm where the input data is 16 bytes of zero and retaining the 3 highest order bytes of the encrypted result.
+>> For TDES keys, the KCV is computed by encrypting 8 bytes, each with value of zero, with the key to be checked and retaining the 3 highest order bytes of the encrypted result. For AES keys, the KCV is computed using a CMAC algorithm where the input data is 16 bytes of zero and retaining the 3 highest order bytes of the encrypted result. For HMAC keys, the KCV is computed using the hash selected at key creation on a zero-length message, taking the leftmost 3 bytes.
@@ -631 +631 @@ Key -> (structure)
-  * [AWS CLI 2.34.61 Command Reference](../../index.html) »
+  * [AWS CLI 2.34.63 Command Reference](../../index.html) »