Other SHA512 routines may need to use the generic routine when
FPU is not available.
Signed-off-by: Tim Chen <[email protected]>
---
crypto/sha512_generic.c | 13 +++++++------
include/crypto/sha.h | 3 +++
2 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c
index 71fcf36..4c58620 100644
--- a/crypto/sha512_generic.c
+++ b/crypto/sha512_generic.c
@@ -163,8 +163,8 @@ sha384_init(struct shash_desc *desc)
return 0;
}
-static int
-sha512_update(struct shash_desc *desc, const u8 *data, unsigned int len)
+int crypto_sha512_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len)
{
struct sha512_state *sctx = shash_desc_ctx(desc);
@@ -197,6 +197,7 @@ sha512_update(struct shash_desc *desc, const u8 *data, unsigned int len)
return 0;
}
+EXPORT_SYMBOL(crypto_sha512_update);
static int
sha512_final(struct shash_desc *desc, u8 *hash)
@@ -215,10 +216,10 @@ sha512_final(struct shash_desc *desc, u8 *hash)
/* Pad out to 112 mod 128. */
index = sctx->count[0] & 0x7f;
pad_len = (index < 112) ? (112 - index) : ((128+112) - index);
- sha512_update(desc, padding, pad_len);
+ crypto_sha512_update(desc, padding, pad_len);
/* Append length (before padding) */
- sha512_update(desc, (const u8 *)bits, sizeof(bits));
+ crypto_sha512_update(desc, (const u8 *)bits, sizeof(bits));
/* Store state in digest */
for (i = 0; i < 8; i++)
@@ -245,7 +246,7 @@ static int sha384_final(struct shash_desc *desc, u8 *hash)
static struct shash_alg sha512_algs[2] = { {
.digestsize = SHA512_DIGEST_SIZE,
.init = sha512_init,
- .update = sha512_update,
+ .update = crypto_sha512_update,
.final = sha512_final,
.descsize = sizeof(struct sha512_state),
.base = {
@@ -257,7 +258,7 @@ static struct shash_alg sha512_algs[2] = { {
}, {
.digestsize = SHA384_DIGEST_SIZE,
.init = sha384_init,
- .update = sha512_update,
+ .update = crypto_sha512_update,
.final = sha384_final,
.descsize = sizeof(struct sha512_state),
.base = {
diff --git a/include/crypto/sha.h b/include/crypto/sha.h
index f46ff61..190f8a0 100644
--- a/include/crypto/sha.h
+++ b/include/crypto/sha.h
@@ -89,4 +89,7 @@ extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
extern int crypto_sha256_update(struct shash_desc *desc, const u8 *data,
unsigned int len);
+
+extern int crypto_sha512_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len);
#endif
--
1.7.11.7