From 488bc980aa0125b1ef57fdef7f779b61ac1384a5 Mon Sep 17 00:00:00 2001
From: Vincent Hanquez <vincent@snarc.org>
Date: Sat, 18 Apr 2015 12:20:38 +0100
Subject: [PATCH] [hash] mark update function buffer as const

---
 cbits/cryptonite_md2.c      | 4 ++--
 cbits/cryptonite_md2.h      | 2 +-
 cbits/cryptonite_md4.c      | 2 +-
 cbits/cryptonite_md4.h      | 2 +-
 cbits/cryptonite_md5.c      | 2 +-
 cbits/cryptonite_md5.h      | 2 +-
 cbits/cryptonite_ripemd.c   | 2 +-
 cbits/cryptonite_ripemd.h   | 2 +-
 cbits/cryptonite_sha1.c     | 2 +-
 cbits/cryptonite_sha1.h     | 2 +-
 cbits/cryptonite_sha256.c   | 4 ++--
 cbits/cryptonite_sha256.h   | 4 ++--
 cbits/cryptonite_sha3.c     | 2 +-
 cbits/cryptonite_sha3.h     | 2 +-
 cbits/cryptonite_sha512.c   | 4 ++--
 cbits/cryptonite_sha512.h   | 4 ++--
 cbits/cryptonite_skein256.c | 2 +-
 cbits/cryptonite_skein256.h | 2 +-
 cbits/cryptonite_skein512.c | 2 +-
 cbits/cryptonite_skein512.h | 2 +-
 cbits/cryptonite_tiger.c    | 2 +-
 cbits/cryptonite_tiger.h    | 2 +-
 22 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/cbits/cryptonite_md2.c b/cbits/cryptonite_md2.c
index 42bf546..9d6b1c8 100644
--- a/cbits/cryptonite_md2.c
+++ b/cbits/cryptonite_md2.c
@@ -73,7 +73,7 @@ static uint8_t *padding_table[] = {
 	UBYTES("\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10\x10")
 };
 
-static void md2_do_chunk(struct md2_ctx *ctx, uint8_t *buf)
+static void md2_do_chunk(struct md2_ctx *ctx, const uint8_t *buf)
 {
 	uint8_t i, j, t;
 	uint8_t x[48];
@@ -97,7 +97,7 @@ static void md2_do_chunk(struct md2_ctx *ctx, uint8_t *buf)
 		t = ctx->cksum[i] ^= S_table[buf[i] ^ t];
 }
 
-void cryptonite_md2_update(struct md2_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_md2_update(struct md2_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t index, to_fill;
 
diff --git a/cbits/cryptonite_md2.h b/cbits/cryptonite_md2.h
index 37f19ce..7163b6b 100644
--- a/cbits/cryptonite_md2.h
+++ b/cbits/cryptonite_md2.h
@@ -38,7 +38,7 @@ struct md2_ctx
 #define MD2_CTX_SIZE		sizeof(struct md2_ctx)
 
 void cryptonite_md2_init(struct md2_ctx *ctx);
-void cryptonite_md2_update(struct md2_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_md2_update(struct md2_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_md2_finalize(struct md2_ctx *ctx, uint8_t *out);
 
 #endif
diff --git a/cbits/cryptonite_md4.c b/cbits/cryptonite_md4.c
index 14d4387..3cb87b1 100644
--- a/cbits/cryptonite_md4.c
+++ b/cbits/cryptonite_md4.c
@@ -113,7 +113,7 @@ static void md4_do_chunk(struct md4_ctx *ctx, uint32_t *buf)
 	ctx->h[0] += a; ctx->h[1] += b; ctx->h[2] += c; ctx->h[3] += d;
 }
 
-void cryptonite_md4_update(struct md4_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_md4_update(struct md4_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t index, to_fill;
 
diff --git a/cbits/cryptonite_md4.h b/cbits/cryptonite_md4.h
index 4c6cd69..fcb7bac 100644
--- a/cbits/cryptonite_md4.h
+++ b/cbits/cryptonite_md4.h
@@ -37,7 +37,7 @@ struct md4_ctx
 #define MD4_CTX_SIZE		sizeof(struct md4_ctx)
 
 void cryptonite_md4_init(struct md4_ctx *ctx);
-void cryptonite_md4_update(struct md4_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_md4_update(struct md4_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_md4_finalize(struct md4_ctx *ctx, uint8_t *out);
 
 #endif
diff --git a/cbits/cryptonite_md5.c b/cbits/cryptonite_md5.c
index fe44f5e..4612a5e 100644
--- a/cbits/cryptonite_md5.c
+++ b/cbits/cryptonite_md5.c
@@ -126,7 +126,7 @@ static void md5_do_chunk(struct md5_ctx *ctx, uint32_t *buf)
 	ctx->h[0] += a; ctx->h[1] += b; ctx->h[2] += c; ctx->h[3] += d;
 }
 
-void cryptonite_md5_update(struct md5_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_md5_update(struct md5_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t index, to_fill;
 
diff --git a/cbits/cryptonite_md5.h b/cbits/cryptonite_md5.h
index 7f7ca2c..7187f96 100644
--- a/cbits/cryptonite_md5.h
+++ b/cbits/cryptonite_md5.h
@@ -37,7 +37,7 @@ struct md5_ctx
 #define MD5_CTX_SIZE		sizeof(struct md5_ctx)
 
 void cryptonite_md5_init(struct md5_ctx *ctx);
-void cryptonite_md5_update(struct md5_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_md5_update(struct md5_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_md5_finalize(struct md5_ctx *ctx, uint8_t *out);
 
 #endif
diff --git a/cbits/cryptonite_ripemd.c b/cbits/cryptonite_ripemd.c
index 83d52ae..67fadb2 100644
--- a/cbits/cryptonite_ripemd.c
+++ b/cbits/cryptonite_ripemd.c
@@ -249,7 +249,7 @@ static void ripemd160_do_chunk(struct ripemd160_ctx *ctx, uint32_t *buf)
 	ctx->h[0] = d2;
 }
 
-void cryptonite_ripemd160_update(struct ripemd160_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_ripemd160_update(struct ripemd160_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t index, to_fill;
 
diff --git a/cbits/cryptonite_ripemd.h b/cbits/cryptonite_ripemd.h
index 59b5363..8f84fb8 100644
--- a/cbits/cryptonite_ripemd.h
+++ b/cbits/cryptonite_ripemd.h
@@ -37,7 +37,7 @@ struct ripemd160_ctx
 #define RIPEMD160_CTX_SIZE	sizeof(struct ripemd160_ctx)
 
 void cryptonite_ripemd160_init(struct ripemd160_ctx *ctx);
-void cryptonite_ripemd160_update(struct ripemd160_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_ripemd160_update(struct ripemd160_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_ripemd160_finalize(struct ripemd160_ctx *ctx, uint8_t *out);
 
 #endif
diff --git a/cbits/cryptonite_sha1.c b/cbits/cryptonite_sha1.c
index 185b4df..33b6fa0 100644
--- a/cbits/cryptonite_sha1.c
+++ b/cbits/cryptonite_sha1.c
@@ -155,7 +155,7 @@ static inline void sha1_do_chunk(struct sha1_ctx *ctx, uint32_t *buf)
 	ctx->h[4] += e;
 }
 
-void cryptonite_sha1_update(struct sha1_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_sha1_update(struct sha1_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t index, to_fill;
 
diff --git a/cbits/cryptonite_sha1.h b/cbits/cryptonite_sha1.h
index fc32514..5457a7d 100644
--- a/cbits/cryptonite_sha1.h
+++ b/cbits/cryptonite_sha1.h
@@ -37,7 +37,7 @@ struct sha1_ctx
 #define SHA1_CTX_SIZE 		(sizeof(struct sha1_ctx))
 
 void cryptonite_sha1_init(struct sha1_ctx *ctx);
-void cryptonite_sha1_update(struct sha1_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_sha1_update(struct sha1_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_sha1_finalize(struct sha1_ctx *ctx, uint8_t *out);
 
 #endif
diff --git a/cbits/cryptonite_sha256.c b/cbits/cryptonite_sha256.c
index f1a9cc1..b93d815 100644
--- a/cbits/cryptonite_sha256.c
+++ b/cbits/cryptonite_sha256.c
@@ -110,12 +110,12 @@ static void sha256_do_chunk(struct sha256_ctx *ctx, uint32_t buf[])
 	ctx->h[4] += e; ctx->h[5] += f; ctx->h[6] += g; ctx->h[7] += h;
 }
 
-void cryptonite_sha224_update(struct sha224_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_sha224_update(struct sha224_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	return cryptonite_sha256_update(ctx, data, len);
 }
 
-void cryptonite_sha256_update(struct sha256_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_sha256_update(struct sha256_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t index, to_fill;
 
diff --git a/cbits/cryptonite_sha256.h b/cbits/cryptonite_sha256.h
index 1d960a2..8a20ff6 100644
--- a/cbits/cryptonite_sha256.h
+++ b/cbits/cryptonite_sha256.h
@@ -43,11 +43,11 @@ struct sha256_ctx
 #define SHA256_CTX_SIZE		sizeof(struct sha256_ctx)
 
 void cryptonite_sha224_init(struct sha224_ctx *ctx);
-void cryptonite_sha224_update(struct sha224_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_sha224_update(struct sha224_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_sha224_finalize(struct sha224_ctx *ctx, uint8_t *out);
 
 void cryptonite_sha256_init(struct sha256_ctx *ctx);
-void cryptonite_sha256_update(struct sha256_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_sha256_update(struct sha256_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_sha256_finalize(struct sha256_ctx *ctx, uint8_t *out);
 
 #endif
diff --git a/cbits/cryptonite_sha3.c b/cbits/cryptonite_sha3.c
index d824899..13bfea9 100644
--- a/cbits/cryptonite_sha3.c
+++ b/cbits/cryptonite_sha3.c
@@ -104,7 +104,7 @@ void cryptonite_sha3_init(struct sha3_ctx *ctx, uint32_t hashlen)
 	ctx->bufsz = 200 - 2 * ctx->hashlen;
 }
 
-void cryptonite_sha3_update(struct sha3_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_sha3_update(struct sha3_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t to_fill;
 
diff --git a/cbits/cryptonite_sha3.h b/cbits/cryptonite_sha3.h
index b18d74f..3b46441 100644
--- a/cbits/cryptonite_sha3.h
+++ b/cbits/cryptonite_sha3.h
@@ -39,7 +39,7 @@ struct sha3_ctx
 #define SHA3_CTX_SIZE		sizeof(struct sha3_ctx)
 
 void cryptonite_sha3_init(struct sha3_ctx *ctx, uint32_t hashlen);
-void cryptonite_sha3_update(struct sha3_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_sha3_update(struct sha3_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_sha3_finalize(struct sha3_ctx *ctx, uint8_t *out);
 
 #endif
diff --git a/cbits/cryptonite_sha512.c b/cbits/cryptonite_sha512.c
index b72f1d8..407dbd2 100644
--- a/cbits/cryptonite_sha512.c
+++ b/cbits/cryptonite_sha512.c
@@ -127,12 +127,12 @@ static void sha512_do_chunk(struct sha512_ctx *ctx, uint64_t *buf)
 	ctx->h[4] += e; ctx->h[5] += f; ctx->h[6] += g; ctx->h[7] += h;
 }
 
-void cryptonite_sha384_update(struct sha384_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_sha384_update(struct sha384_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	return cryptonite_sha512_update(ctx, data, len);
 }
 
-void cryptonite_sha512_update(struct sha512_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_sha512_update(struct sha512_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	unsigned int index, to_fill;
 
diff --git a/cbits/cryptonite_sha512.h b/cbits/cryptonite_sha512.h
index a5c199f..431ad6b 100644
--- a/cbits/cryptonite_sha512.h
+++ b/cbits/cryptonite_sha512.h
@@ -42,11 +42,11 @@ struct sha512_ctx
 #define SHA512_CTX_SIZE		sizeof(struct sha512_ctx)
 
 void cryptonite_sha384_init(struct sha384_ctx *ctx);
-void cryptonite_sha384_update(struct sha384_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_sha384_update(struct sha384_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_sha384_finalize(struct sha384_ctx *ctx, uint8_t *out);
 
 void cryptonite_sha512_init(struct sha512_ctx *ctx);
-void cryptonite_sha512_update(struct sha512_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_sha512_update(struct sha512_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_sha512_finalize(struct sha512_ctx *ctx, uint8_t *out);
 
 void cryptonite_sha512_init_t(struct sha512_ctx *ctx, int t);
diff --git a/cbits/cryptonite_skein256.c b/cbits/cryptonite_skein256.c
index 42c8853..a2f6e07 100644
--- a/cbits/cryptonite_skein256.c
+++ b/cbits/cryptonite_skein256.c
@@ -120,7 +120,7 @@ void cryptonite_skein256_init(struct skein256_ctx *ctx, uint32_t hashlen)
 	SET_TYPE(ctx, FLAG_FIRST | FLAG_TYPE(TYPE_MSG));
 }
 
-void cryptonite_skein256_update(struct skein256_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_skein256_update(struct skein256_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t to_fill;
 
diff --git a/cbits/cryptonite_skein256.h b/cbits/cryptonite_skein256.h
index 1ba977d..eaaa037 100644
--- a/cbits/cryptonite_skein256.h
+++ b/cbits/cryptonite_skein256.h
@@ -39,7 +39,7 @@ struct skein256_ctx
 #define SKEIN256_CTX_SIZE		sizeof(struct skein256_ctx)
 
 void cryponite_skein256_init(struct skein256_ctx *ctx, uint32_t hashlen);
-void cryponite_skein256_update(struct skein256_ctx *ctx, uint8_t *data, uint32_t len);
+void cryponite_skein256_update(struct skein256_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryponite_skein256_finalize(struct skein256_ctx *ctx, uint8_t *out);
 
 #endif
diff --git a/cbits/cryptonite_skein512.c b/cbits/cryptonite_skein512.c
index 3c84dca..5e38e51 100644
--- a/cbits/cryptonite_skein512.c
+++ b/cbits/cryptonite_skein512.c
@@ -138,7 +138,7 @@ void cryptonite_skein512_init(struct skein512_ctx *ctx, uint32_t hashlen)
 	SET_TYPE(ctx, FLAG_FIRST | FLAG_TYPE(TYPE_MSG));
 }
 
-void cryptonite_skein512_update(struct skein512_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_skein512_update(struct skein512_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t to_fill;
 
diff --git a/cbits/cryptonite_skein512.h b/cbits/cryptonite_skein512.h
index 7ec2866..069500c 100644
--- a/cbits/cryptonite_skein512.h
+++ b/cbits/cryptonite_skein512.h
@@ -39,7 +39,7 @@ struct skein512_ctx
 #define SKEIN512_CTX_SIZE		sizeof(struct skein512_ctx)
 
 void cryponite_skein512_init(struct skein512_ctx *ctx, uint32_t hashlen);
-void cryponite_skein512_update(struct skein512_ctx *ctx, uint8_t *data, uint32_t len);
+void cryponite_skein512_update(struct skein512_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryponite_skein512_finalize(struct skein512_ctx *ctx, uint8_t *out);
 
 #endif
diff --git a/cbits/cryptonite_tiger.c b/cbits/cryptonite_tiger.c
index cc968a9..30538f1 100644
--- a/cbits/cryptonite_tiger.c
+++ b/cbits/cryptonite_tiger.c
@@ -363,7 +363,7 @@ static inline void tiger_do_chunk(struct tiger_ctx *ctx, uint64_t *buf)
 	ctx->h[2] += c;
 }
 
-void cryptonite_tiger_update(struct tiger_ctx *ctx, uint8_t *data, uint32_t len)
+void cryptonite_tiger_update(struct tiger_ctx *ctx, const uint8_t *data, uint32_t len)
 {
 	uint32_t index, to_fill;
 
diff --git a/cbits/cryptonite_tiger.h b/cbits/cryptonite_tiger.h
index 06c7d62..a248023 100644
--- a/cbits/cryptonite_tiger.h
+++ b/cbits/cryptonite_tiger.h
@@ -37,7 +37,7 @@ struct tiger_ctx
 #define TIGER_CTX_SIZE 		(sizeof(struct tiger_ctx))
 
 void cryptonite_tiger_init(struct tiger_ctx *ctx);
-void cryptonite_tiger_update(struct tiger_ctx *ctx, uint8_t *data, uint32_t len);
+void cryptonite_tiger_update(struct tiger_ctx *ctx, const uint8_t *data, uint32_t len);
 void cryptonite_tiger_finalize(struct tiger_ctx *ctx, uint8_t *out);
 
 #endif