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integrity: convert digsig to akcipher api

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Convert asymmetric_verify to akcipher api.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Tadeusz Struk 2016-02-02 10:08:58 -08:00 committed by David Howells
parent db6c43bd21
commit eb5798f2e2
2 changed files with 4 additions and 7 deletions
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1
security/integrity/Kconfig
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@ -36,6 +36,7 @@ config INTEGRITY_ASYMMETRIC_KEYS
select ASYMMETRIC_KEY_TYPE
select ASYMMETRIC_PUBLIC_KEY_SUBTYPE
select PUBLIC_KEY_ALGO_RSA
select CRYPTO_RSA
select X509_CERTIFICATE_PARSER
help
This option enables digital signature verification using

10
security/integrity/digsig_asymmetric.c
View File

@ -106,13 +106,9 @@ int asymmetric_verify(struct key *keyring, const char *sig,
pks.pkey_hash_algo = hdr->hash_algo;
pks.digest = (u8 *)data;
pks.digest_size = datalen;
pks.nr_mpi = 1;
pks.rsa.s = mpi_read_raw_data(hdr->sig, siglen);
if (pks.rsa.s)
ret = verify_signature(key, &pks);
mpi_free(pks.rsa.s);
pks.s = hdr->sig;
pks.s_size = siglen;
ret = verify_signature(key, &pks);
key_put(key);
pr_debug("%s() = %d\n", __func__, ret);
return ret;