Commit Graph

6 Commits

Author SHA1 Message Date
Stephan Mueller e09287dfef crypto: rsa - allow keys >= 2048 bits in FIPS mode
With a public notification, NIST now allows the use of RSA keys with a
modulus >= 2048 bits. The new rule allows any modulus size >= 2048 bits
provided that either 2048 or 3072 bits are supported at least so that
the entire RSA implementation can be CAVS tested.

This patch fixes the inability to boot the kernel in FIPS mode, because
certs/x509.genkey defines a 4096 bit RSA key per default. This key causes
the RSA signature verification to fail in FIPS mode without the patch
below.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-08-24 21:07:10 +08:00
Salvatore Benedetto 8be0b84e58 crypto: rsa - Store rest of the private key components
When parsing a private key, store all non-optional fields. These
are required for enabling CRT mode for decrypt and verify

Signed-off-by: Salvatore Benedetto <salvatore.benedetto@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-07-05 23:05:26 +08:00
Tudor Ambarus 5a7de97309 crypto: rsa - return raw integers for the ASN.1 parser
Return the raw key with no other processing so that the caller
can copy it or MPI parse it, etc.

The scope is to have only one ANS.1 parser for all RSA
implementations.

Update the RSA software implementation so that it does
the MPI conversion on top.

Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-06-15 17:07:54 +08:00
Tadeusz Struk 22287b0b59 crypto: akcipher - Changes to asymmetric key API
Setkey function has been split into set_priv_key and set_pub_key.
Akcipher requests takes sgl for src and dst instead of void *.
Users of the API i.e. two existing RSA implementation and
test mgr code have been updated accordingly.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-10-14 22:23:16 +08:00
Tadeusz Struk a9d4f82ff9 crypto: rsa - fix invalid check for keylen in fips mode
The condition checking allowed key length was invalid.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-07-21 20:19:36 +08:00
Tadeusz Struk cfc2bb32b3 crypto: rsa - add a new rsa generic implementation
Add a new rsa generic SW implementation.
This implements only cryptographic primitives.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>

Added select on ASN1.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-17 17:03:53 +08:00