[PATCH 05/10] crypto: sha256_generic: Export the Transform function
From: Keerthy <j-keerthy@ti.com>
Date: 2019-06-18 12:08:52
Also in:
linux-arm-kernel, lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
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 <j-keerthy@ti.com> --- 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