From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keerthy Subject: [RESEND PATCH 05/10] crypto: sha256_generic: Export the Transform function Date: Fri, 28 Jun 2019 09:57:40 +0530 Message-ID: <20190628042745.28455-6-j-keerthy@ti.com> References: <20190628042745.28455-1-j-keerthy@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20190628042745.28455-1-j-keerthy@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: herbert@gondor.apana.org.au, davem@davemloft.net, robh+dt@kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, t-kristo@ti.com, j-keerthy@ti.com, linux-crypto@vger.kernel.org, nm@ti.com List-Id: devicetree@vger.kernel.org The transform function can be used as is by other crypto drivers that need to transform the 256 bit key using cpu. Hence export it. Signed-off-by: Keerthy --- crypto/sha256_generic.c | 3 ++- include/crypto/sha.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c index b7502a96a0d4..583a3c3b93e0 100644 --- a/crypto/sha256_generic.c +++ b/crypto/sha256_generic.c @@ -63,7 +63,7 @@ static inline void BLEND_OP(int I, u32 *W) W[I] = s1(W[I-2]) + W[I-7] + s0(W[I-15]) + W[I-16]; } -static void sha256_transform(u32 *state, const u8 *input) +void sha256_transform(u32 *state, const u8 *input) { u32 a, b, c, d, e, f, g, h, t1, t2; u32 W[64]; @@ -225,6 +225,7 @@ static void sha256_transform(u32 *state, const u8 *input) a = b = c = d = e = f = g = h = t1 = t2 = 0; memzero_explicit(W, 64 * sizeof(u32)); } +EXPORT_SYMBOL(sha256_transform); static void sha256_generic_block_fn(struct sha256_state *sst, u8 const *src, int blocks) diff --git a/include/crypto/sha.h b/include/crypto/sha.h index 8a46202b1857..6e04f412b0c2 100644 --- a/include/crypto/sha.h +++ b/include/crypto/sha.h @@ -95,6 +95,7 @@ struct sha512_state { struct shash_desc; +extern void sha256_transform(u32 *state, const u8 *input); extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data, unsigned int len); -- 2.17.1