[PATCH 2/2] PBL: add oneshot helper for sha384 and sha512

[Michael Tretter]

Similar to the oneshot helper for sha256, add helpers for sha384 and
sha512.

The helper functions don't use the ARMv8 Crypto Extensions, yet.

Signed-off-by: Michael Tretter <m.tretter at pengutronix.de>
---
 include/crypto/pbl-sha.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/include/crypto/pbl-sha.h b/include/crypto/pbl-sha.h
index dbfb79647462..8a20e0a2b84b 100644
--- a/include/crypto/pbl-sha.h
+++ b/include/crypto/pbl-sha.h
@@ -28,7 +28,29 @@ int sha512_init(struct digest *desc);
 int sha512_update(struct digest *desc, const void *data, unsigned long len);
 int sha512_final(struct digest *desc, u8 *out);
 
+static inline void pbl_sha512(const void *buf, size_t len,
+			      u8 out[SHA512_DIGEST_SIZE])
+{
+	struct sha512_state state = { };
+	struct digest d = { .ctx = &state, .length = SHA512_DIGEST_SIZE };
+
+	sha512_init(&d);
+	sha512_update(&d, buf, len);
+	sha512_final(&d, out);
+}
+
 int sha384_init(struct digest *desc);
 int sha384_final(struct digest *desc, u8 *out);
 
+static inline void pbl_sha384(const void *buf, size_t len,
+			      u8 out[SHA384_DIGEST_SIZE])
+{
+	struct sha512_state state = { };
+	struct digest d = { .ctx = &state, .length = SHA384_DIGEST_SIZE };
+
+	sha384_init(&d);
+	sha512_update(&d, buf, len);
+	sha384_final(&d, out);
+}
+
 #endif /* __PBL-SHA_H_ */

-- 
2.47.3