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Recommend use of GREASE values for vendor defined DH groups

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This commit is contained in:
Andrew Thoelke 2019-10-07 22:27:17 +01:00
parent 691ec52694
commit 6e59505bb2
1 changed files with 28 additions and 2 deletions
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30
include/psa/crypto_types.h
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@ -111,9 +111,35 @@ typedef uint16_t psa_ecc_curve_t;
* 1. Select a ::psa_dh_group_t value in the range #PSA_DH_GROUP_VENDOR_MIN to * 1. Select a ::psa_dh_group_t value in the range #PSA_DH_GROUP_VENDOR_MIN to
* #PSA_DH_GROUP_VENDOR_MAX, which is a subset of the IANA private use * #PSA_DH_GROUP_VENDOR_MAX, which is a subset of the IANA private use
* range. * range.
* 2. Use a ::psa_key_type_t value that is vendor-defined. * 2. Select a ::psa_dh_group_t value from the named groups allocated for
* GREASE in the IETF draft specification. The GREASE specification and
* values are listed below.
* 3. Use a ::psa_key_type_t value that is vendor-defined.
* *
* The first option is recommended. * Option 1 or 2 are recommended.
*
* The current draft of the GREASE specification is
* https://datatracker.ietf.org/doc/draft-ietf-tls-grease
*
* The following GREASE values are allocated for named groups:
* \code
* 0x0A0A
* 0x1A1A
* 0x2A2A
* 0x3A3A
* 0x4A4A
* 0x5A5A
* 0x6A6A
* 0x7A7A
* 0x8A8A
* 0x9A9A
* 0xAAAA
* 0xBABA
* 0xCACA
* 0xDADA
* 0xEAEA
* 0xFAFA
* \endcode
*/ */
typedef uint16_t psa_dh_group_t; typedef uint16_t psa_dh_group_t;