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-rw-r--r--lib/sha256.h20
1 files changed, 12 insertions, 8 deletions
diff --git a/lib/sha256.h b/lib/sha256.h
index 1874a4a085c..b4bc082267a 100644
--- a/lib/sha256.h
+++ b/lib/sha256.h
@@ -70,23 +70,27 @@ extern void sha256_process_bytes (const void *buffer, size_t len,
in first 32 (28) bytes following RESBUF. The result is always in little
endian byte order, so that a byte-wise output yields to the wanted
ASCII representation of the message digest. */
-extern void *sha256_finish_ctx (struct sha256_ctx *ctx, void *resbuf);
-extern void *sha224_finish_ctx (struct sha256_ctx *ctx, void *resbuf);
+extern void *sha256_finish_ctx (struct sha256_ctx *ctx, void *restrict resbuf);
+extern void *sha224_finish_ctx (struct sha256_ctx *ctx, void *restrict resbuf);
/* Put result from CTX in first 32 (28) bytes following RESBUF. The result is
always in little endian byte order, so that a byte-wise output yields
to the wanted ASCII representation of the message digest. */
-extern void *sha256_read_ctx (const struct sha256_ctx *ctx, void *resbuf);
-extern void *sha224_read_ctx (const struct sha256_ctx *ctx, void *resbuf);
+extern void *sha256_read_ctx (const struct sha256_ctx *ctx,
+ void *restrict resbuf);
+extern void *sha224_read_ctx (const struct sha256_ctx *ctx,
+ void *restrict resbuf);
-/* Compute SHA256 (SHA224) message digest for LEN bytes beginning at BUFFER. The
- result is always in little endian byte order, so that a byte-wise
+/* Compute SHA256 (SHA224) message digest for LEN bytes beginning at BUFFER.
+ The result is always in little endian byte order, so that a byte-wise
output yields to the wanted ASCII representation of the message
digest. */
-extern void *sha256_buffer (const char *buffer, size_t len, void *resblock);
-extern void *sha224_buffer (const char *buffer, size_t len, void *resblock);
+extern void *sha256_buffer (const char *buffer, size_t len,
+ void *restrict resblock);
+extern void *sha224_buffer (const char *buffer, size_t len,
+ void *restrict resblock);
# endif
/* Compute SHA256 (SHA224) message digest for bytes read from STREAM.