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gpg: Add algo constants for PQC.

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* common/openpgpdefs.h (PUBKEY_ALGO_KY768_25519): New.
(PUBKEY_ALGO_KY1024_448): New.
(PUBKEY_ALGO_DIL3_25519): New.
(PUBKEY_ALGO_DIL5_448): New.
(PUBKEY_ALGO_SPHINX_SHA2): New.
* g10/keygen.c (parse_key_parameter_part): Force v5 keys for these
  algos.
* g10/keyid.c (pubkey_string): Add mapping.
* g10/misc.c (openpgp_pk_algo_usage): Add standard key usage.
--

See draft-wussler-openpgp-pqc-01.txt for the code points.  To limit
the number of algorithms, only MUST and SHOULD algorithms are
considered.
This commit is contained in:
Werner Koch 2023-07-07 10:21:39 +02:00
parent 8cacfce898
commit 9f39e4da29
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
4 changed files with 53 additions and 3 deletions
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7
common/openpgpdefs.h
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@ -168,7 +168,12 @@ typedef enum
PUBKEY_ALGO_ECDSA = 19, /* RFC-6637 */
PUBKEY_ALGO_ELGAMAL = 20, /* Elgamal encrypt+sign (legacy). */
/* 21 reserved by OpenPGP. */
PUBKEY_ALGO_EDDSA = 22, /* EdDSA (not yet assigned). */
PUBKEY_ALGO_EDDSA = 22, /* EdDSA. */
PUBKEY_ALGO_KY768_25519 = 29, /* Kyber768 + X25519 */
PUBKEY_ALGO_KY1024_448 = 30, /* Kyber1024 + X448 */
PUBKEY_ALGO_DIL3_25519 = 35, /* Dilithium3 + Ed25519 */
PUBKEY_ALGO_DIL5_448 = 36, /* Dilithium5 + Ed448 */
PUBKEY_ALGO_SPHINX_SHA2 = 41, /* SPHINX+-simple-SHA2 */
PUBKEY_ALGO_PRIVATE10 = 110
}
pubkey_algo_t;