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Continues to be under consideration as stated earlier.
.Thank you for the recommendation. The teams are actively considering this in upcoming designs.
Due to processing by IBM, this request was reassigned to have the following updated attributes:
Brand - Servers and Systems Software
Product family - z Systems Hardware
Product - z Systems Hardware
Component - Crypto HW
For recording keeping, the previous attributes were:
Brand - Servers and Systems Software
Product family - z Systems Hardware
Product - z Systems Hardware
Component - Security / Crypto
To clarify and elaborate, TLS 1.3 (IETF RFC 8446) specifies that TLS_CHACHA20_POLY1305_SHA256 "SHOULD" be implemented for TLS 1.3 compliance. (TLS 1.2 also allows TLS_CHACHA20_POLY1305_SHA256.) IETF RFC 8439 is the successor to IETF RFC 7539.