From 248eeb82f0b780fdaa071a819d950de57a6f0fd9 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Sun, 10 Jul 2005 03:52:56 +0000
Subject: [PATCH] This patch adds implementation of SHA2 to pgcrypto. New
hashes: SHA256, SHA384, SHA512.
Marko Kreen
---
contrib/pgcrypto/Makefile | 7 +-
contrib/pgcrypto/internal.c | 206 +++++++++++++++++++++++++++++++++++-
2 files changed, 209 insertions(+), 4 deletions(-)
diff --git a/contrib/pgcrypto/Makefile b/contrib/pgcrypto/Makefile
index 63f73816d7f..85b066d6590 100644
--- a/contrib/pgcrypto/Makefile
+++ b/contrib/pgcrypto/Makefile
@@ -1,19 +1,20 @@
#
-# $PostgreSQL: pgsql/contrib/pgcrypto/Makefile,v 1.17 2005/07/06 16:14:42 tgl Exp $
+# $PostgreSQL: pgsql/contrib/pgcrypto/Makefile,v 1.18 2005/07/10 03:52:56 momjian Exp $
#
# if you don't have OpenSSL, you can use libc random() or /dev/urandom
INT_CFLAGS = -DRAND_SILLY
#INT_CFLAGS = -DRAND_DEV=\"/dev/urandom\"
-INT_SRCS = md5.c sha1.c internal.c blf.c rijndael.c
+INT_SRCS = md5.c sha1.c sha2.c internal.c blf.c rijndael.c
+INT_TESTS = sha2
OSSL_CFLAGS = -DRAND_OPENSSL
OSSL_SRCS = openssl.c
OSSL_TESTS = des 3des cast5
CF_SRCS = $(if $(subst no,,$(with_openssl)), $(OSSL_SRCS), $(INT_SRCS))
-CF_TESTS = $(if $(subst no,,$(with_openssl)), $(OSSL_TESTS))
+CF_TESTS = $(if $(subst no,,$(with_openssl)), $(OSSL_TESTS), $(INT_TESTS))
CF_CFLAGS = $(if $(subst no,,$(with_openssl)), $(OSSL_CFLAGS), $(INT_CFLAGS))
PG_CPPFLAGS = $(CF_CFLAGS)
diff --git a/contrib/pgcrypto/internal.c b/contrib/pgcrypto/internal.c
index 0a9270ff942..ff034dcf808 100644
--- a/contrib/pgcrypto/internal.c
+++ b/contrib/pgcrypto/internal.c
@@ -26,7 +26,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $PostgreSQL: pgsql/contrib/pgcrypto/internal.c,v 1.16 2005/03/21 05:19:55 neilc Exp $
+ * $PostgreSQL: pgsql/contrib/pgcrypto/internal.c,v 1.17 2005/07/10 03:52:56 momjian Exp $
*/
@@ -36,6 +36,7 @@
#include "md5.h"
#include "sha1.h"
+#include "sha2.h"
#include "blf.h"
#include "rijndael.h"
@@ -56,6 +57,9 @@
static void init_md5(PX_MD * h);
static void init_sha1(PX_MD * h);
+static void init_sha256(PX_MD * h);
+static void init_sha384(PX_MD * h);
+static void init_sha512(PX_MD * h);
struct int_digest
{
@@ -67,6 +71,9 @@ static const struct int_digest
int_digest_list[] = {
{ "md5", init_md5 },
{ "sha1", init_sha1 },
+ { "sha256", init_sha256 },
+ { "sha384", init_sha384 },
+ { "sha512", init_sha512 },
{ NULL, NULL }
};
@@ -164,6 +171,146 @@ int_sha1_free(PX_MD * h)
px_free(h);
}
+/* SHA256 */
+
+static unsigned
+int_sha256_len(PX_MD * h)
+{
+ return SHA256_DIGEST_LENGTH;
+}
+
+static unsigned
+int_sha256_block_len(PX_MD * h)
+{
+ return SHA256_BLOCK_LENGTH;
+}
+
+static void
+int_sha256_update(PX_MD * h, const uint8 *data, unsigned dlen)
+{
+ SHA256_CTX *ctx = (SHA256_CTX *) h->p.ptr;
+
+ SHA256_Update(ctx, data, dlen);
+}
+
+static void
+int_sha256_reset(PX_MD * h)
+{
+ SHA256_CTX *ctx = (SHA256_CTX *) h->p.ptr;
+
+ SHA256_Init(ctx);
+}
+
+static void
+int_sha256_finish(PX_MD * h, uint8 *dst)
+{
+ SHA256_CTX *ctx = (SHA256_CTX *) h->p.ptr;
+
+ SHA256_Final(dst, ctx);
+}
+
+static void
+int_sha256_free(PX_MD * h)
+{
+ SHA256_CTX *ctx = (SHA256_CTX *) h->p.ptr;
+
+ px_free(ctx);
+ px_free(h);
+}
+/* SHA384 */
+
+static unsigned
+int_sha384_len(PX_MD * h)
+{
+ return SHA384_DIGEST_LENGTH;
+}
+
+static unsigned
+int_sha384_block_len(PX_MD * h)
+{
+ return SHA384_BLOCK_LENGTH;
+}
+
+static void
+int_sha384_update(PX_MD * h, const uint8 *data, unsigned dlen)
+{
+ SHA384_CTX *ctx = (SHA384_CTX *) h->p.ptr;
+
+ SHA384_Update(ctx, data, dlen);
+}
+
+static void
+int_sha384_reset(PX_MD * h)
+{
+ SHA384_CTX *ctx = (SHA384_CTX *) h->p.ptr;
+
+ SHA384_Init(ctx);
+}
+
+static void
+int_sha384_finish(PX_MD * h, uint8 *dst)
+{
+ SHA384_CTX *ctx = (SHA384_CTX *) h->p.ptr;
+
+ SHA384_Final(dst, ctx);
+}
+
+static void
+int_sha384_free(PX_MD * h)
+{
+ SHA384_CTX *ctx = (SHA384_CTX *) h->p.ptr;
+
+ px_free(ctx);
+ px_free(h);
+}
+
+/* SHA512 */
+
+static unsigned
+int_sha512_len(PX_MD * h)
+{
+ return SHA512_DIGEST_LENGTH;
+}
+
+static unsigned
+int_sha512_block_len(PX_MD * h)
+{
+ return SHA512_BLOCK_LENGTH;
+}
+
+static void
+int_sha512_update(PX_MD * h, const uint8 *data, unsigned dlen)
+{
+ SHA512_CTX *ctx = (SHA512_CTX *) h->p.ptr;
+
+ SHA512_Update(ctx, data, dlen);
+}
+
+static void
+int_sha512_reset(PX_MD * h)
+{
+ SHA512_CTX *ctx = (SHA512_CTX *) h->p.ptr;
+
+ SHA512_Init(ctx);
+}
+
+static void
+int_sha512_finish(PX_MD * h, uint8 *dst)
+{
+ SHA512_CTX *ctx = (SHA512_CTX *) h->p.ptr;
+
+ SHA512_Final(dst, ctx);
+}
+
+static void
+int_sha512_free(PX_MD * h)
+{
+ SHA512_CTX *ctx = (SHA512_CTX *) h->p.ptr;
+
+ px_free(ctx);
+ px_free(h);
+}
+
/* init functions */
static void
@@ -204,6 +351,63 @@ init_sha1(PX_MD * md)
md->reset(md);
}
+static void
+init_sha256(PX_MD * md)
+{
+ SHA256_CTX *ctx;
+
+ ctx = px_alloc(sizeof(*ctx));
+
+ md->p.ptr = ctx;
+
+ md->result_size = int_sha256_len;
+ md->block_size = int_sha256_block_len;
+ md->reset = int_sha256_reset;
+ md->update = int_sha256_update;
+ md->finish = int_sha256_finish;
+ md->free = int_sha256_free;
+
+ md->reset(md);
+}
+
+static void
+init_sha384(PX_MD * md)
+{
+ SHA384_CTX *ctx;
+
+ ctx = px_alloc(sizeof(*ctx));
+
+ md->p.ptr = ctx;
+
+ md->result_size = int_sha384_len;
+ md->block_size = int_sha384_block_len;
+ md->reset = int_sha384_reset;
+ md->update = int_sha384_update;
+ md->finish = int_sha384_finish;
+ md->free = int_sha384_free;
+
+ md->reset(md);
+}
+
+static void
+init_sha512(PX_MD * md)
+{
+ SHA512_CTX *ctx;
+
+ ctx = px_alloc(sizeof(*ctx));
+
+ md->p.ptr = ctx;
+
+ md->result_size = int_sha512_len;
+ md->block_size = int_sha512_block_len;
+ md->reset = int_sha512_reset;
+ md->update = int_sha512_update;
+ md->finish = int_sha512_finish;
+ md->free = int_sha512_free;
+
+ md->reset(md);
+}
+
/*
* ciphers generally
*/
--
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