[PATCH 06/18] crypto: dh - introduce RFC 3526 safe-prime groups

From: Nicolai Stange
Date: Tue Nov 30 2021 - 19:50:21 EST

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A future patch will make the DH implementation to reject domain parameters
not corresponding to any of the safe-prime groups approved by SP800-56Arev3
in FIPS mode.

The MODP groups specified by RFC 3526 are among those approved safe-prime
groups. Make them known to the kernel in order to enable the DH
implementation to recognize those when passed in from e.g. the
keyctl(KEYCTL_DH_COMPUTE) syscall.

More specifically, introduce corresponding members to enum dh_group_id
as well as entries with the resp. domain parameters to the
safe_prime_groups[] array queried by crypto_dh_decode_key(). The resp.
->max_strength value is set to the maximum supported security strength as
specified in SP800-56Arev3.

As the domain parameters consume an substantial amount of space, make
RFC 3526 safe-prime group support selectable by means of the new
CRYPTO_DH_GROUPS_RFC3526 Kconfig option.

Signed-off-by: Nicolai Stange <nstange@xxxxxxx>
---
crypto/Kconfig | 6 ++
crypto/dh_helper.c | 216 ++++++++++++++++++++++++++++++++++++++++++++
include/crypto/dh.h | 7 ++
3 files changed, 229 insertions(+)

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 0f039bbf36e2..fcb044bdc90a 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -238,6 +238,12 @@ config CRYPTO_DH_GROUPS_RFC7919
Enable to allow for the use of RFC 7919 DH parameters in FIPS mode,
e.g. via keyctl(KEYCTL_DH_COMPUTE). Otherwise it's safe to say N.

+config CRYPTO_DH_GROUPS_RFC3526
+ bool "Support for RFC 3526 MODP group parameters"
+ help
+ Enable to allow for the use of RFC 3526 DH parameters in FIPS mode,
+ e.g. via keyctl(KEYCTL_DH_COMPUTE). Otherwise it's safe to say N.
+
endif

config CRYPTO_ECC
diff --git a/crypto/dh_helper.c b/crypto/dh_helper.c
index 83744c3bfc17..fb8df4734dc1 100644
--- a/crypto/dh_helper.c
+++ b/crypto/dh_helper.c
@@ -236,6 +236,222 @@ static const struct safe_prime_group
"\xd6\x8c\x8b\xb7\xc5\xc6\x42\x4c\xff\xff\xff\xff\xff\xff\xff\xff",
},
#endif /* CONFIG_CRYPTO_DH_GROUPS_RFC7919 */
+#ifdef CONFIG_CRYPTO_DH_GROUPS_RFC3526
+ {
+ .group_id = dh_group_id_rfc3526_modp2048,
+ .max_strength = 112,
+ .p_size = 256,
+ .p =
+ "\xff\xff\xff\xff\xff\xff\xff\xff\xc9\x0f\xda\xa2\x21\x68\xc2\x34"
+ "\xc4\xc6\x62\x8b\x80\xdc\x1c\xd1\x29\x02\x4e\x08\x8a\x67\xcc\x74"
+ "\x02\x0b\xbe\xa6\x3b\x13\x9b\x22\x51\x4a\x08\x79\x8e\x34\x04\xdd"
+ "\xef\x95\x19\xb3\xcd\x3a\x43\x1b\x30\x2b\x0a\x6d\xf2\x5f\x14\x37"
+ "\x4f\xe1\x35\x6d\x6d\x51\xc2\x45\xe4\x85\xb5\x76\x62\x5e\x7e\xc6"
+ "\xf4\x4c\x42\xe9\xa6\x37\xed\x6b\x0b\xff\x5c\xb6\xf4\x06\xb7\xed"
+ "\xee\x38\x6b\xfb\x5a\x89\x9f\xa5\xae\x9f\x24\x11\x7c\x4b\x1f\xe6"
+ "\x49\x28\x66\x51\xec\xe4\x5b\x3d\xc2\x00\x7c\xb8\xa1\x63\xbf\x05"
+ "\x98\xda\x48\x36\x1c\x55\xd3\x9a\x69\x16\x3f\xa8\xfd\x24\xcf\x5f"
+ "\x83\x65\x5d\x23\xdc\xa3\xad\x96\x1c\x62\xf3\x56\x20\x85\x52\xbb"
+ "\x9e\xd5\x29\x07\x70\x96\x96\x6d\x67\x0c\x35\x4e\x4a\xbc\x98\x04"
+ "\xf1\x74\x6c\x08\xca\x18\x21\x7c\x32\x90\x5e\x46\x2e\x36\xce\x3b"
+ "\xe3\x9e\x77\x2c\x18\x0e\x86\x03\x9b\x27\x83\xa2\xec\x07\xa2\x8f"
+ "\xb5\xc5\x5d\xf0\x6f\x4c\x52\xc9\xde\x2b\xcb\xf6\x95\x58\x17\x18"
+ "\x39\x95\x49\x7c\xea\x95\x6a\xe5\x15\xd2\x26\x18\x98\xfa\x05\x10"
+ "\x15\x72\x8e\x5a\x8a\xac\xaa\x68\xff\xff\xff\xff\xff\xff\xff\xff",
+ },
+ {
+ .group_id = dh_group_id_rfc3526_modp3072,
+ .max_strength = 128,
+ .p_size = 384,
+ .p =
+ "\xff\xff\xff\xff\xff\xff\xff\xff\xc9\x0f\xda\xa2\x21\x68\xc2\x34"
+ "\xc4\xc6\x62\x8b\x80\xdc\x1c\xd1\x29\x02\x4e\x08\x8a\x67\xcc\x74"
+ "\x02\x0b\xbe\xa6\x3b\x13\x9b\x22\x51\x4a\x08\x79\x8e\x34\x04\xdd"
+ "\xef\x95\x19\xb3\xcd\x3a\x43\x1b\x30\x2b\x0a\x6d\xf2\x5f\x14\x37"
+ "\x4f\xe1\x35\x6d\x6d\x51\xc2\x45\xe4\x85\xb5\x76\x62\x5e\x7e\xc6"
+ "\xf4\x4c\x42\xe9\xa6\x37\xed\x6b\x0b\xff\x5c\xb6\xf4\x06\xb7\xed"
+ "\xee\x38\x6b\xfb\x5a\x89\x9f\xa5\xae\x9f\x24\x11\x7c\x4b\x1f\xe6"
+ "\x49\x28\x66\x51\xec\xe4\x5b\x3d\xc2\x00\x7c\xb8\xa1\x63\xbf\x05"
+ "\x98\xda\x48\x36\x1c\x55\xd3\x9a\x69\x16\x3f\xa8\xfd\x24\xcf\x5f"
+ "\x83\x65\x5d\x23\xdc\xa3\xad\x96\x1c\x62\xf3\x56\x20\x85\x52\xbb"
+ "\x9e\xd5\x29\x07\x70\x96\x96\x6d\x67\x0c\x35\x4e\x4a\xbc\x98\x04"
+ "\xf1\x74\x6c\x08\xca\x18\x21\x7c\x32\x90\x5e\x46\x2e\x36\xce\x3b"
+ "\xe3\x9e\x77\x2c\x18\x0e\x86\x03\x9b\x27\x83\xa2\xec\x07\xa2\x8f"
+ "\xb5\xc5\x5d\xf0\x6f\x4c\x52\xc9\xde\x2b\xcb\xf6\x95\x58\x17\x18"
+ "\x39\x95\x49\x7c\xea\x95\x6a\xe5\x15\xd2\x26\x18\x98\xfa\x05\x10"
+ "\x15\x72\x8e\x5a\x8a\xaa\xc4\x2d\xad\x33\x17\x0d\x04\x50\x7a\x33"
+ "\xa8\x55\x21\xab\xdf\x1c\xba\x64\xec\xfb\x85\x04\x58\xdb\xef\x0a"
+ "\x8a\xea\x71\x57\x5d\x06\x0c\x7d\xb3\x97\x0f\x85\xa6\xe1\xe4\xc7"
+ "\xab\xf5\xae\x8c\xdb\x09\x33\xd7\x1e\x8c\x94\xe0\x4a\x25\x61\x9d"
+ "\xce\xe3\xd2\x26\x1a\xd2\xee\x6b\xf1\x2f\xfa\x06\xd9\x8a\x08\x64"
+ "\xd8\x76\x02\x73\x3e\xc8\x6a\x64\x52\x1f\x2b\x18\x17\x7b\x20\x0c"
+ "\xbb\xe1\x17\x57\x7a\x61\x5d\x6c\x77\x09\x88\xc0\xba\xd9\x46\xe2"
+ "\x08\xe2\x4f\xa0\x74\xe5\xab\x31\x43\xdb\x5b\xfc\xe0\xfd\x10\x8e"
+ "\x4b\x82\xd1\x20\xa9\x3a\xd2\xca\xff\xff\xff\xff\xff\xff\xff\xff",
+ },
+ {
+ .group_id = dh_group_id_rfc3526_modp4096,
+ .max_strength = 152,
+ .p_size = 512,
+ .p =
+ "\xff\xff\xff\xff\xff\xff\xff\xff\xc9\x0f\xda\xa2\x21\x68\xc2\x34"
+ "\xc4\xc6\x62\x8b\x80\xdc\x1c\xd1\x29\x02\x4e\x08\x8a\x67\xcc\x74"
+ "\x02\x0b\xbe\xa6\x3b\x13\x9b\x22\x51\x4a\x08\x79\x8e\x34\x04\xdd"
+ "\xef\x95\x19\xb3\xcd\x3a\x43\x1b\x30\x2b\x0a\x6d\xf2\x5f\x14\x37"
+ "\x4f\xe1\x35\x6d\x6d\x51\xc2\x45\xe4\x85\xb5\x76\x62\x5e\x7e\xc6"
+ "\xf4\x4c\x42\xe9\xa6\x37\xed\x6b\x0b\xff\x5c\xb6\xf4\x06\xb7\xed"
+ "\xee\x38\x6b\xfb\x5a\x89\x9f\xa5\xae\x9f\x24\x11\x7c\x4b\x1f\xe6"
+ "\x49\x28\x66\x51\xec\xe4\x5b\x3d\xc2\x00\x7c\xb8\xa1\x63\xbf\x05"
+ "\x98\xda\x48\x36\x1c\x55\xd3\x9a\x69\x16\x3f\xa8\xfd\x24\xcf\x5f"
+ "\x83\x65\x5d\x23\xdc\xa3\xad\x96\x1c\x62\xf3\x56\x20\x85\x52\xbb"
+ "\x9e\xd5\x29\x07\x70\x96\x96\x6d\x67\x0c\x35\x4e\x4a\xbc\x98\x04"
+ "\xf1\x74\x6c\x08\xca\x18\x21\x7c\x32\x90\x5e\x46\x2e\x36\xce\x3b"
+ "\xe3\x9e\x77\x2c\x18\x0e\x86\x03\x9b\x27\x83\xa2\xec\x07\xa2\x8f"
+ "\xb5\xc5\x5d\xf0\x6f\x4c\x52\xc9\xde\x2b\xcb\xf6\x95\x58\x17\x18"
+ "\x39\x95\x49\x7c\xea\x95\x6a\xe5\x15\xd2\x26\x18\x98\xfa\x05\x10"
+ "\x15\x72\x8e\x5a\x8a\xaa\xc4\x2d\xad\x33\x17\x0d\x04\x50\x7a\x33"
+ "\xa8\x55\x21\xab\xdf\x1c\xba\x64\xec\xfb\x85\x04\x58\xdb\xef\x0a"
+ "\x8a\xea\x71\x57\x5d\x06\x0c\x7d\xb3\x97\x0f\x85\xa6\xe1\xe4\xc7"
+ "\xab\xf5\xae\x8c\xdb\x09\x33\xd7\x1e\x8c\x94\xe0\x4a\x25\x61\x9d"
+ "\xce\xe3\xd2\x26\x1a\xd2\xee\x6b\xf1\x2f\xfa\x06\xd9\x8a\x08\x64"
+ "\xd8\x76\x02\x73\x3e\xc8\x6a\x64\x52\x1f\x2b\x18\x17\x7b\x20\x0c"
+ "\xbb\xe1\x17\x57\x7a\x61\x5d\x6c\x77\x09\x88\xc0\xba\xd9\x46\xe2"
+ "\x08\xe2\x4f\xa0\x74\xe5\xab\x31\x43\xdb\x5b\xfc\xe0\xfd\x10\x8e"
+ "\x4b\x82\xd1\x20\xa9\x21\x08\x01\x1a\x72\x3c\x12\xa7\x87\xe6\xd7"
+ "\x88\x71\x9a\x10\xbd\xba\x5b\x26\x99\xc3\x27\x18\x6a\xf4\xe2\x3c"
+ "\x1a\x94\x68\x34\xb6\x15\x0b\xda\x25\x83\xe9\xca\x2a\xd4\x4c\xe8"
+ "\xdb\xbb\xc2\xdb\x04\xde\x8e\xf9\x2e\x8e\xfc\x14\x1f\xbe\xca\xa6"
+ "\x28\x7c\x59\x47\x4e\x6b\xc0\x5d\x99\xb2\x96\x4f\xa0\x90\xc3\xa2"
+ "\x23\x3b\xa1\x86\x51\x5b\xe7\xed\x1f\x61\x29\x70\xce\xe2\xd7\xaf"
+ "\xb8\x1b\xdd\x76\x21\x70\x48\x1c\xd0\x06\x91\x27\xd5\xb0\x5a\xa9"
+ "\x93\xb4\xea\x98\x8d\x8f\xdd\xc1\x86\xff\xb7\xdc\x90\xa6\xc0\x8f"
+ "\x4d\xf4\x35\xc9\x34\x06\x31\x99\xff\xff\xff\xff\xff\xff\xff\xff",
+ },
+ {
+ .group_id = dh_group_id_rfc3526_modp6144,
+ .max_strength = 176,
+ .p_size = 768,
+ .p =
+ "\xff\xff\xff\xff\xff\xff\xff\xff\xc9\x0f\xda\xa2\x21\x68\xc2\x34"
+ "\xc4\xc6\x62\x8b\x80\xdc\x1c\xd1\x29\x02\x4e\x08\x8a\x67\xcc\x74"
+ "\x02\x0b\xbe\xa6\x3b\x13\x9b\x22\x51\x4a\x08\x79\x8e\x34\x04\xdd"
+ "\xef\x95\x19\xb3\xcd\x3a\x43\x1b\x30\x2b\x0a\x6d\xf2\x5f\x14\x37"
+ "\x4f\xe1\x35\x6d\x6d\x51\xc2\x45\xe4\x85\xb5\x76\x62\x5e\x7e\xc6"
+ "\xf4\x4c\x42\xe9\xa6\x37\xed\x6b\x0b\xff\x5c\xb6\xf4\x06\xb7\xed"
+ "\xee\x38\x6b\xfb\x5a\x89\x9f\xa5\xae\x9f\x24\x11\x7c\x4b\x1f\xe6"
+ "\x49\x28\x66\x51\xec\xe4\x5b\x3d\xc2\x00\x7c\xb8\xa1\x63\xbf\x05"
+ "\x98\xda\x48\x36\x1c\x55\xd3\x9a\x69\x16\x3f\xa8\xfd\x24\xcf\x5f"
+ "\x83\x65\x5d\x23\xdc\xa3\xad\x96\x1c\x62\xf3\x56\x20\x85\x52\xbb"
+ "\x9e\xd5\x29\x07\x70\x96\x96\x6d\x67\x0c\x35\x4e\x4a\xbc\x98\x04"
+ "\xf1\x74\x6c\x08\xca\x18\x21\x7c\x32\x90\x5e\x46\x2e\x36\xce\x3b"
+ "\xe3\x9e\x77\x2c\x18\x0e\x86\x03\x9b\x27\x83\xa2\xec\x07\xa2\x8f"
+ "\xb5\xc5\x5d\xf0\x6f\x4c\x52\xc9\xde\x2b\xcb\xf6\x95\x58\x17\x18"
+ "\x39\x95\x49\x7c\xea\x95\x6a\xe5\x15\xd2\x26\x18\x98\xfa\x05\x10"
+ "\x15\x72\x8e\x5a\x8a\xaa\xc4\x2d\xad\x33\x17\x0d\x04\x50\x7a\x33"
+ "\xa8\x55\x21\xab\xdf\x1c\xba\x64\xec\xfb\x85\x04\x58\xdb\xef\x0a"
+ "\x8a\xea\x71\x57\x5d\x06\x0c\x7d\xb3\x97\x0f\x85\xa6\xe1\xe4\xc7"
+ "\xab\xf5\xae\x8c\xdb\x09\x33\xd7\x1e\x8c\x94\xe0\x4a\x25\x61\x9d"
+ "\xce\xe3\xd2\x26\x1a\xd2\xee\x6b\xf1\x2f\xfa\x06\xd9\x8a\x08\x64"
+ "\xd8\x76\x02\x73\x3e\xc8\x6a\x64\x52\x1f\x2b\x18\x17\x7b\x20\x0c"
+ "\xbb\xe1\x17\x57\x7a\x61\x5d\x6c\x77\x09\x88\xc0\xba\xd9\x46\xe2"
+ "\x08\xe2\x4f\xa0\x74\xe5\xab\x31\x43\xdb\x5b\xfc\xe0\xfd\x10\x8e"
+ "\x4b\x82\xd1\x20\xa9\x21\x08\x01\x1a\x72\x3c\x12\xa7\x87\xe6\xd7"
+ "\x88\x71\x9a\x10\xbd\xba\x5b\x26\x99\xc3\x27\x18\x6a\xf4\xe2\x3c"
+ "\x1a\x94\x68\x34\xb6\x15\x0b\xda\x25\x83\xe9\xca\x2a\xd4\x4c\xe8"
+ "\xdb\xbb\xc2\xdb\x04\xde\x8e\xf9\x2e\x8e\xfc\x14\x1f\xbe\xca\xa6"
+ "\x28\x7c\x59\x47\x4e\x6b\xc0\x5d\x99\xb2\x96\x4f\xa0\x90\xc3\xa2"
+ "\x23\x3b\xa1\x86\x51\x5b\xe7\xed\x1f\x61\x29\x70\xce\xe2\xd7\xaf"
+ "\xb8\x1b\xdd\x76\x21\x70\x48\x1c\xd0\x06\x91\x27\xd5\xb0\x5a\xa9"
+ "\x93\xb4\xea\x98\x8d\x8f\xdd\xc1\x86\xff\xb7\xdc\x90\xa6\xc0\x8f"
+ "\x4d\xf4\x35\xc9\x34\x02\x84\x92\x36\xc3\xfa\xb4\xd2\x7c\x70\x26"
+ "\xc1\xd4\xdc\xb2\x60\x26\x46\xde\xc9\x75\x1e\x76\x3d\xba\x37\xbd"
+ "\xf8\xff\x94\x06\xad\x9e\x53\x0e\xe5\xdb\x38\x2f\x41\x30\x01\xae"
+ "\xb0\x6a\x53\xed\x90\x27\xd8\x31\x17\x97\x27\xb0\x86\x5a\x89\x18"
+ "\xda\x3e\xdb\xeb\xcf\x9b\x14\xed\x44\xce\x6c\xba\xce\xd4\xbb\x1b"
+ "\xdb\x7f\x14\x47\xe6\xcc\x25\x4b\x33\x20\x51\x51\x2b\xd7\xaf\x42"
+ "\x6f\xb8\xf4\x01\x37\x8c\xd2\xbf\x59\x83\xca\x01\xc6\x4b\x92\xec"
+ "\xf0\x32\xea\x15\xd1\x72\x1d\x03\xf4\x82\xd7\xce\x6e\x74\xfe\xf6"
+ "\xd5\x5e\x70\x2f\x46\x98\x0c\x82\xb5\xa8\x40\x31\x90\x0b\x1c\x9e"
+ "\x59\xe7\xc9\x7f\xbe\xc7\xe8\xf3\x23\xa9\x7a\x7e\x36\xcc\x88\xbe"
+ "\x0f\x1d\x45\xb7\xff\x58\x5a\xc5\x4b\xd4\x07\xb2\x2b\x41\x54\xaa"
+ "\xcc\x8f\x6d\x7e\xbf\x48\xe1\xd8\x14\xcc\x5e\xd2\x0f\x80\x37\xe0"
+ "\xa7\x97\x15\xee\xf2\x9b\xe3\x28\x06\xa1\xd5\x8b\xb7\xc5\xda\x76"
+ "\xf5\x50\xaa\x3d\x8a\x1f\xbf\xf0\xeb\x19\xcc\xb1\xa3\x13\xd5\x5c"
+ "\xda\x56\xc9\xec\x2e\xf2\x96\x32\x38\x7f\xe8\xd7\x6e\x3c\x04\x68"
+ "\x04\x3e\x8f\x66\x3f\x48\x60\xee\x12\xbf\x2d\x5b\x0b\x74\x74\xd6"
+ "\xe6\x94\xf9\x1e\x6d\xcc\x40\x24\xff\xff\xff\xff\xff\xff\xff\xff",
+ },
+ {
+ .group_id = dh_group_id_rfc3526_modp8192,
+ .max_strength = 200,
+ .p_size = 1024,
+ .p =
+ "\xff\xff\xff\xff\xff\xff\xff\xff\xc9\x0f\xda\xa2\x21\x68\xc2\x34"
+ "\xc4\xc6\x62\x8b\x80\xdc\x1c\xd1\x29\x02\x4e\x08\x8a\x67\xcc\x74"
+ "\x02\x0b\xbe\xa6\x3b\x13\x9b\x22\x51\x4a\x08\x79\x8e\x34\x04\xdd"
+ "\xef\x95\x19\xb3\xcd\x3a\x43\x1b\x30\x2b\x0a\x6d\xf2\x5f\x14\x37"
+ "\x4f\xe1\x35\x6d\x6d\x51\xc2\x45\xe4\x85\xb5\x76\x62\x5e\x7e\xc6"
+ "\xf4\x4c\x42\xe9\xa6\x37\xed\x6b\x0b\xff\x5c\xb6\xf4\x06\xb7\xed"
+ "\xee\x38\x6b\xfb\x5a\x89\x9f\xa5\xae\x9f\x24\x11\x7c\x4b\x1f\xe6"
+ "\x49\x28\x66\x51\xec\xe4\x5b\x3d\xc2\x00\x7c\xb8\xa1\x63\xbf\x05"
+ "\x98\xda\x48\x36\x1c\x55\xd3\x9a\x69\x16\x3f\xa8\xfd\x24\xcf\x5f"
+ "\x83\x65\x5d\x23\xdc\xa3\xad\x96\x1c\x62\xf3\x56\x20\x85\x52\xbb"
+ "\x9e\xd5\x29\x07\x70\x96\x96\x6d\x67\x0c\x35\x4e\x4a\xbc\x98\x04"
+ "\xf1\x74\x6c\x08\xca\x18\x21\x7c\x32\x90\x5e\x46\x2e\x36\xce\x3b"
+ "\xe3\x9e\x77\x2c\x18\x0e\x86\x03\x9b\x27\x83\xa2\xec\x07\xa2\x8f"
+ "\xb5\xc5\x5d\xf0\x6f\x4c\x52\xc9\xde\x2b\xcb\xf6\x95\x58\x17\x18"
+ "\x39\x95\x49\x7c\xea\x95\x6a\xe5\x15\xd2\x26\x18\x98\xfa\x05\x10"
+ "\x15\x72\x8e\x5a\x8a\xaa\xc4\x2d\xad\x33\x17\x0d\x04\x50\x7a\x33"
+ "\xa8\x55\x21\xab\xdf\x1c\xba\x64\xec\xfb\x85\x04\x58\xdb\xef\x0a"
+ "\x8a\xea\x71\x57\x5d\x06\x0c\x7d\xb3\x97\x0f\x85\xa6\xe1\xe4\xc7"
+ "\xab\xf5\xae\x8c\xdb\x09\x33\xd7\x1e\x8c\x94\xe0\x4a\x25\x61\x9d"
+ "\xce\xe3\xd2\x26\x1a\xd2\xee\x6b\xf1\x2f\xfa\x06\xd9\x8a\x08\x64"
+ "\xd8\x76\x02\x73\x3e\xc8\x6a\x64\x52\x1f\x2b\x18\x17\x7b\x20\x0c"
+ "\xbb\xe1\x17\x57\x7a\x61\x5d\x6c\x77\x09\x88\xc0\xba\xd9\x46\xe2"
+ "\x08\xe2\x4f\xa0\x74\xe5\xab\x31\x43\xdb\x5b\xfc\xe0\xfd\x10\x8e"
+ "\x4b\x82\xd1\x20\xa9\x21\x08\x01\x1a\x72\x3c\x12\xa7\x87\xe6\xd7"
+ "\x88\x71\x9a\x10\xbd\xba\x5b\x26\x99\xc3\x27\x18\x6a\xf4\xe2\x3c"
+ "\x1a\x94\x68\x34\xb6\x15\x0b\xda\x25\x83\xe9\xca\x2a\xd4\x4c\xe8"
+ "\xdb\xbb\xc2\xdb\x04\xde\x8e\xf9\x2e\x8e\xfc\x14\x1f\xbe\xca\xa6"
+ "\x28\x7c\x59\x47\x4e\x6b\xc0\x5d\x99\xb2\x96\x4f\xa0\x90\xc3\xa2"
+ "\x23\x3b\xa1\x86\x51\x5b\xe7\xed\x1f\x61\x29\x70\xce\xe2\xd7\xaf"
+ "\xb8\x1b\xdd\x76\x21\x70\x48\x1c\xd0\x06\x91\x27\xd5\xb0\x5a\xa9"
+ "\x93\xb4\xea\x98\x8d\x8f\xdd\xc1\x86\xff\xb7\xdc\x90\xa6\xc0\x8f"
+ "\x4d\xf4\x35\xc9\x34\x02\x84\x92\x36\xc3\xfa\xb4\xd2\x7c\x70\x26"
+ "\xc1\xd4\xdc\xb2\x60\x26\x46\xde\xc9\x75\x1e\x76\x3d\xba\x37\xbd"
+ "\xf8\xff\x94\x06\xad\x9e\x53\x0e\xe5\xdb\x38\x2f\x41\x30\x01\xae"
+ "\xb0\x6a\x53\xed\x90\x27\xd8\x31\x17\x97\x27\xb0\x86\x5a\x89\x18"
+ "\xda\x3e\xdb\xeb\xcf\x9b\x14\xed\x44\xce\x6c\xba\xce\xd4\xbb\x1b"
+ "\xdb\x7f\x14\x47\xe6\xcc\x25\x4b\x33\x20\x51\x51\x2b\xd7\xaf\x42"
+ "\x6f\xb8\xf4\x01\x37\x8c\xd2\xbf\x59\x83\xca\x01\xc6\x4b\x92\xec"
+ "\xf0\x32\xea\x15\xd1\x72\x1d\x03\xf4\x82\xd7\xce\x6e\x74\xfe\xf6"
+ "\xd5\x5e\x70\x2f\x46\x98\x0c\x82\xb5\xa8\x40\x31\x90\x0b\x1c\x9e"
+ "\x59\xe7\xc9\x7f\xbe\xc7\xe8\xf3\x23\xa9\x7a\x7e\x36\xcc\x88\xbe"
+ "\x0f\x1d\x45\xb7\xff\x58\x5a\xc5\x4b\xd4\x07\xb2\x2b\x41\x54\xaa"
+ "\xcc\x8f\x6d\x7e\xbf\x48\xe1\xd8\x14\xcc\x5e\xd2\x0f\x80\x37\xe0"
+ "\xa7\x97\x15\xee\xf2\x9b\xe3\x28\x06\xa1\xd5\x8b\xb7\xc5\xda\x76"
+ "\xf5\x50\xaa\x3d\x8a\x1f\xbf\xf0\xeb\x19\xcc\xb1\xa3\x13\xd5\x5c"
+ "\xda\x56\xc9\xec\x2e\xf2\x96\x32\x38\x7f\xe8\xd7\x6e\x3c\x04\x68"
+ "\x04\x3e\x8f\x66\x3f\x48\x60\xee\x12\xbf\x2d\x5b\x0b\x74\x74\xd6"
+ "\xe6\x94\xf9\x1e\x6d\xbe\x11\x59\x74\xa3\x92\x6f\x12\xfe\xe5\xe4"
+ "\x38\x77\x7c\xb6\xa9\x32\xdf\x8c\xd8\xbe\xc4\xd0\x73\xb9\x31\xba"
+ "\x3b\xc8\x32\xb6\x8d\x9d\xd3\x00\x74\x1f\xa7\xbf\x8a\xfc\x47\xed"
+ "\x25\x76\xf6\x93\x6b\xa4\x24\x66\x3a\xab\x63\x9c\x5a\xe4\xf5\x68"
+ "\x34\x23\xb4\x74\x2b\xf1\xc9\x78\x23\x8f\x16\xcb\xe3\x9d\x65\x2d"
+ "\xe3\xfd\xb8\xbe\xfc\x84\x8a\xd9\x22\x22\x2e\x04\xa4\x03\x7c\x07"
+ "\x13\xeb\x57\xa8\x1a\x23\xf0\xc7\x34\x73\xfc\x64\x6c\xea\x30\x6b"
+ "\x4b\xcb\xc8\x86\x2f\x83\x85\xdd\xfa\x9d\x4b\x7f\xa2\xc0\x87\xe8"
+ "\x79\x68\x33\x03\xed\x5b\xdd\x3a\x06\x2b\x3c\xf5\xb3\xa2\x78\xa6"
+ "\x6d\x2a\x13\xf8\x3f\x44\xf8\x2d\xdf\x31\x0e\xe0\x74\xab\x6a\x36"
+ "\x45\x97\xe8\x99\xa0\x25\x5d\xc1\x64\xf3\x1c\xc5\x08\x46\x85\x1d"
+ "\xf9\xab\x48\x19\x5d\xed\x7e\xa1\xb1\xd5\x10\xbd\x7e\xe7\x4d\x73"
+ "\xfa\xf3\x6b\xc3\x1e\xcf\xa2\x68\x35\x90\x46\xf4\xeb\x87\x9f\x92"
+ "\x40\x09\x43\x8b\x48\x1c\x6c\xd7\x88\x9a\x00\x2e\xd5\xee\x38\x2b"
+ "\xc9\x19\x0d\xa6\xfc\x02\x6e\x47\x95\x58\xe4\x47\x56\x77\xe9\xaa"
+ "\x9e\x30\x50\xe2\x76\x56\x94\xdf\xc8\x1f\x56\xe8\x80\xb9\x6e\x71"
+ "\x60\xc9\x80\xdd\x98\xed\xd3\xdf\xff\xff\xff\xff\xff\xff\xff\xff",
+ },
+#endif /* CONFIG_CRYPTO_DH_GROUPS_RFC3526 */
};

/* 2 is used as a generator for all safe-prime groups. */
diff --git a/include/crypto/dh.h b/include/crypto/dh.h
index 59be1fe3a978..7eb1fad93d02 100644
--- a/include/crypto/dh.h
+++ b/include/crypto/dh.h
@@ -29,6 +29,13 @@ enum dh_group_id {
dh_group_id_rfc7919_ffdhe6144,
dh_group_id_rfc7919_ffdhe8192,
#endif
+#ifdef CONFIG_CRYPTO_DH_GROUPS_RFC3526
+ dh_group_id_rfc3526_modp2048 = 6, /* Constant used by test vector. */
+ dh_group_id_rfc3526_modp3072,
+ dh_group_id_rfc3526_modp4096,
+ dh_group_id_rfc3526_modp6144,
+ dh_group_id_rfc3526_modp8192,
+#endif
};

/**
--
2.26.2

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