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| author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2019-09-28 21:40:30 +0300 |
|---|---|---|
| committer | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2019-10-06 19:32:05 +0300 |
| commit | 025af8a4291fbc615a2ac57fe345d089ab8c2b4a (patch) | |
| tree | 87bae8770aede383c922639ace5b31842c916720 /lib/algorithms | |
| parent | 96fcde09cef9ca68b0d94d0498be3bfd8a609e2b (diff) | |
| download | gnutls-025af8a4291fbc615a2ac57fe345d089ab8c2b4a.tar.gz | |
lib/ecc: add documentation for GOST-related curves
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Diffstat (limited to 'lib/algorithms')
| -rw-r--r-- | lib/algorithms/ecc.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/algorithms/ecc.c b/lib/algorithms/ecc.c index 0d305e8fee..f07de60f72 100644 --- a/lib/algorithms/ecc.c +++ b/lib/algorithms/ecc.c @@ -91,6 +91,29 @@ gnutls_ecc_curve_entry_st ecc_curves[] = { .supported = 1, }, #if ENABLE_GOST + /* Curves for usage in GOST digital signature algorithm (GOST R + * 34.10-2001/-2012) and key agreement (VKO GOST R 34.10-2001/-2012). + * + * Historically CryptoPro has defined three 256-bit curves for use with + * digital signature algorithm (CryptoPro-A, -B, -C). + * + * Also it has reissues two of them with different OIDs for key + * exchange (CryptoPro-XchA = CryptoPro-A and CryptoPro-XchB = + * CryptoPro-C). + * + * Then TC26 (Standard comitee working on cryptographic standards) has + * defined one 256-bit curve (TC26-256-A) and three 512-bit curves + * (TC26-512-A, -B, -C). + * + * And finally TC26 has reissues original CryptoPro curves under their + * own OID namespace (TC26-256-B = CryptoPro-A, TC26-256-C = + * CryptoPro-B and TC26-256-D = CryptoPro-C). + * + * CryptoPro OIDs are usable for both GOST R 34.10-2001 and + * GOST R 34.10-2012 keys (thus they have GNUTLS_PK_UNKNOWN in this + * table). + * TC26 OIDs are usable only for GOST R 34.10-2012 keys. + */ { .name = "CryptoPro-A", .oid = "1.2.643.2.2.35.1", |