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crypto: rsa-pkcs1pad - Add FIPS 202 SHA-3 support 

Add support in rsa-pkcs1pad for FIPS 202 SHA-3 hashes, sizes 256 and
up. As 224 is too weak for any practical purposes.

Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dimitri John Ledkov 2023-10-22 19:22:05 +01:00 committed by Herbert Xu
parent 4b057654eb
commit ee62afb9d0
2 changed files with 36 additions and 1 deletions
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25
crypto/rsa-pkcs1pad.c
View File

@ -61,6 +61,24 @@ static const u8 rsa_digest_info_sha512[] = {
0x05, 0x00, 0x04, 0x40
};
static const u8 rsa_digest_info_sha3_256[] = {
0x30, 0x31, 0x30, 0x0d, 0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x08,
0x05, 0x00, 0x04, 0x20
};
static const u8 rsa_digest_info_sha3_384[] = {
0x30, 0x41, 0x30, 0x0d, 0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x09,
0x05, 0x00, 0x04, 0x30
};
static const u8 rsa_digest_info_sha3_512[] = {
0x30, 0x51, 0x30, 0x0d, 0x06, 0x09,
0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x0A,
0x05, 0x00, 0x04, 0x40
};
static const struct rsa_asn1_template {
const char *name;
const u8 *data;
@ -74,8 +92,13 @@ static const struct rsa_asn1_template {
_(sha384),
_(sha512),
_(sha224),
{ NULL }
#undef _
#define _(X) { "sha3-" #X, rsa_digest_info_sha3_##X, sizeof(rsa_digest_info_sha3_##X) }
_(256),
_(384),
_(512),
#undef _
{ NULL }
};
static const struct rsa_asn1_template *rsa_lookup_asn1(const char *name)

12
crypto/testmgr.c
View File

@ -5464,6 +5464,18 @@ static const struct alg_test_desc alg_test_descs[] = {
.alg = "pkcs1pad(rsa,sha512)",
.test = alg_test_null,
.fips_allowed = 1,
}, {
.alg = "pkcs1pad(rsa,sha3-256)",
.test = alg_test_null,
.fips_allowed = 1,
}, {
.alg = "pkcs1pad(rsa,sha3-384)",
.test = alg_test_null,
.fips_allowed = 1,
}, {
.alg = "pkcs1pad(rsa,sha3-512)",
.test = alg_test_null,
.fips_allowed = 1,
}, {
.alg = "poly1305",
.test = alg_test_hash,