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Support for vendor-defined ECC curves and DH groups

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Define a vendor-range within the the private use ranges in the IANA 
registry. Provide recommendations for how to support vendor-defined 
curves and groups.
This commit is contained in:
Andrew Thoelke 2019-09-25 22:14:29 +01:00
parent c625045da6
commit fd368e50d5
2 changed files with 44 additions and 0 deletions
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26
include/psa/crypto_values.h
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@ -495,6 +495,19 @@
*/
#define PSA_ECC_CURVE_CURVE448 ((psa_ecc_curve_t) 0x001e)
/** Minimum value for a vendor-defined ECC curve identifier
*
* The range for vendor-defined curve identifiers is a subset of the IANA
* registry private use range, `0xfe00` - `0xfeff`.
*/
#define PSA_ECC_CURVE_VENDOR_MIN ((psa_ecc_curve_t) 0xfe00)
/** Maximum value for a vendor-defined ECC curve identifier
*
* The range for vendor-defined curve identifiers is a subset of the IANA
* registry private use range, `0xfe00` - `0xfeff`.
*/
#define PSA_ECC_CURVE_VENDOR_MAX ((psa_ecc_curve_t) 0xfe7f)
#define PSA_KEY_TYPE_DH_PUBLIC_KEY_BASE ((psa_key_type_t)0x60040000)
#define PSA_KEY_TYPE_DH_KEY_PAIR_BASE ((psa_key_type_t)0x70040000)
#define PSA_KEY_TYPE_DH_GROUP_MASK ((psa_key_type_t)0x0000ffff)
@ -535,6 +548,19 @@
#define PSA_DH_GROUP_FFDHE6144 ((psa_dh_group_t) 0x0103)
#define PSA_DH_GROUP_FFDHE8192 ((psa_dh_group_t) 0x0104)
/** Minimum value for a vendor-defined Diffie Hellman group identifier
*
* The range for vendor-defined group identifiers is a subset of the IANA
* registry private use range, `0x01fc` - `0x01ff`.
*/
#define PSA_DH_GROUP_VENDOR_MIN ((psa_dh_group_t) 0x01fc)
/** Maximum value for a vendor-defined Diffie Hellman group identifier
*
* The range for vendor-defined group identifiers is a subset of the IANA
* registry private use range, `0x01fc` - `0x01ff`.
*/
#define PSA_DH_GROUP_VENDOR_MAX ((psa_dh_group_t) 0x01fd)
/** The block size of a block cipher.
*
* \param type A cipher key type (value of type #psa_key_type_t).