Messages in this thread Patch in this message | | | Subject | Re: [PATCH 4/8] akcipher: Move the RSA DER encoding to the crypto layer | From | Mimi Zohar <> | Date | Wed, 24 Feb 2016 00:59:28 -0500 |
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On Wed, 2016-02-24 at 00:04 -0500, Mimi Zohar wrote: > On Fri, 2016-02-19 at 17:18 +0000, David Howells wrote: > > > /* > > * Verify a signature using a public key. > > */ > > int public_key_verify_signature(const struct public_key *pkey, > > const struct public_key_signature *sig) > > { > > + struct public_key_completion compl; > > + struct crypto_akcipher *tfm; > > + struct akcipher_request *req; > > + struct scatterlist sig_sg, digest_sg; > > + int ret = -ENOMEM; > > + > > + pr_devel("==>%s()\n", __func__); > > + > > BUG_ON(!pkey); > > BUG_ON(!sig); > > BUG_ON(!sig->digest); > > BUG_ON(!sig->s); > > > > - if (pkey->pkey_algo >= PKEY_ALGO__LAST) > > - return -ENOPKG; > > + tfm = crypto_alloc_akcipher(pkey_algo_name[sig->pkey_algo], 0, 0); > > + if (IS_ERR(tfm)) > > + return PTR_ERR(tfm); > > IMA fails here.
Please include the following fix in this patch.
diff --git a/security/integrity/digsig_asymmetric.c b/security/integrity/digsig_asymmetric.c index 2fa3bc6..69a92e6 100644 --- a/security/integrity/digsig_asymmetric.c +++ b/security/integrity/digsig_asymmetric.c @@ -103,6 +103,7 @@ int asymmetric_verify(struct key *keyring, const char *sig, memset(&pks, 0, sizeof(pks)); + pks.pkey_algo = PKEY_ALGO_RSA; pks.pkey_hash_algo = hdr->hash_algo; pks.digest = (u8 *)data; pks.digest_size = datalen; -- 2.1.0
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