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authorPaulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com>2016-07-18 18:26:25 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2016-07-19 10:42:43 +0300
commit11c6e16ee13ab68b8ff04c17ab41611a4fcc5c81 (patch)
tree93c72797fc0a50b1177343762f5a5838ca8e23ca /drivers/crypto/vmx/aesp8-ppc.h
parent5c562338dea29dc09415f39676e7107fa48ce763 (diff)
downloadlinux-11c6e16ee13ab68b8ff04c17ab41611a4fcc5c81.tar.xz
crypto: vmx - Adding asm subroutines for XTS
This patch add XTS subroutines using VMX-crypto driver. It gives a boost of 20 times using XTS. These code has been adopted from OpenSSL project in collaboration with the original author (Andy Polyakov <appro@openssl.org>). Signed-off-by: Leonidas S. Barbosa <leosilva@linux.vnet.ibm.com> Signed-off-by: Paulo Flabiano Smorigo <pfsmorigo@linux.vnet.ibm.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/vmx/aesp8-ppc.h')
-rw-r--r--drivers/crypto/vmx/aesp8-ppc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/crypto/vmx/aesp8-ppc.h b/drivers/crypto/vmx/aesp8-ppc.h
index 4cd34ee54a94..01972e16a6c0 100644
--- a/drivers/crypto/vmx/aesp8-ppc.h
+++ b/drivers/crypto/vmx/aesp8-ppc.h
@@ -19,3 +19,7 @@ void aes_p8_cbc_encrypt(const u8 *in, u8 *out, size_t len,
void aes_p8_ctr32_encrypt_blocks(const u8 *in, u8 *out,
size_t len, const struct aes_key *key,
const u8 *iv);
+void aes_p8_xts_encrypt(const u8 *in, u8 *out, size_t len,
+ const struct aes_key *key1, const struct aes_key *key2, u8 *iv);
+void aes_p8_xts_decrypt(const u8 *in, u8 *out, size_t len,
+ const struct aes_key *key1, const struct aes_key *key2, u8 *iv);