crypto: vmx - Adding asm subroutines for XTS (11c6e16e) · Commits · e / devices / android_kernel_fairphone_FP4

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>

drivers/crypto/vmx/aesp8-ppc.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -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);

drivers/crypto/vmx/aesp8-ppc.pl

+1863 −2

File changed.

Preview size limit exceeded, changes collapsed.

Original line number	Diff line number	Diff line
		@@ -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);