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-rw-r--r--wsutil/CMakeLists.txt1
-rw-r--r--wsutil/Makefile.common2
-rw-r--r--wsutil/sha2.c281
-rw-r--r--wsutil/sha2.h75
4 files changed, 359 insertions, 0 deletions
diff --git a/wsutil/CMakeLists.txt b/wsutil/CMakeLists.txt
index fd3eb6a745..02e7823649 100644
--- a/wsutil/CMakeLists.txt
+++ b/wsutil/CMakeLists.txt
@@ -62,6 +62,7 @@ set(WSUTIL_FILES
plugins.c
privileges.c
sha1.c
+ sha2.c
sober128.c
strnatcmp.c
str_util.c
diff --git a/wsutil/Makefile.common b/wsutil/Makefile.common
index c7ef8379b4..9f69cee14c 100644
--- a/wsutil/Makefile.common
+++ b/wsutil/Makefile.common
@@ -59,6 +59,7 @@ LIBWSUTIL_COMMON_SRC = \
plugins.c \
privileges.c \
sha1.c \
+ sha2.c \
sober128.c \
strnatcmp.c \
str_util.c \
@@ -109,6 +110,7 @@ libwsutil_nonrepl_INCLUDES = \
privileges.h \
processes.h \
sha1.h \
+ sha2.h \
sign_ext.h \
sober128.h \
strnatcmp.h \
diff --git a/wsutil/sha2.c b/wsutil/sha2.c
new file mode 100644
index 0000000000..a5694c4ed7
--- /dev/null
+++ b/wsutil/sha2.c
@@ -0,0 +1,281 @@
+/*
+ * FIPS-180-2 compliant SHA-2 implementation (only sha256 so far)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+#include <string.h>
+#include <glib.h>
+
+#include "sha2.h"
+
+/* the K array */
+static const guint32 K[64] = {
+ 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,
+ 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,
+ 0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL,
+ 0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
+ 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL,
+ 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL,
+ 0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL,
+ 0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
+ 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL,
+ 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL,
+ 0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL,
+ 0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
+ 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
+};
+
+
+#define GET_UINT32(n,b,i) \
+ { \
+ (n) = ( (guint32) (b)[(i) ] << 24 ) \
+ | ( (guint32) (b)[(i) + 1] << 16 ) \
+ | ( (guint32) (b)[(i) + 2] << 8 ) \
+ | ( (guint32) (b)[(i) + 3] ); \
+ }
+
+#define PUT_UINT32(n,b,i) \
+ { \
+ (b)[(i) ] = (guint8) ( (n) >> 24 ); \
+ (b)[(i) + 1] = (guint8) ( (n) >> 16 ); \
+ (b)[(i) + 2] = (guint8) ( (n) >> 8 ); \
+ (b)[(i) + 3] = (guint8) ( (n) ); \
+ }
+
+/* Initialize the hash state */
+void sha256_starts( sha256_context *ctx )
+{
+ ctx->total = 0;
+ ctx->state[0] = 0x6A09E667UL;
+ ctx->state[1] = 0xBB67AE85UL;
+ ctx->state[2] = 0x3C6EF372UL;
+ ctx->state[3] = 0xA54FF53AUL;
+ ctx->state[4] = 0x510E527FUL;
+ ctx->state[5] = 0x9B05688CUL;
+ ctx->state[6] = 0x1F83D9ABUL;
+ ctx->state[7] = 0x5BE0CD19UL;
+}
+
+static void sha256_process( sha256_context *ctx, const guint8 *data )
+{
+ guint32 i, temp1, temp2, W[64], A, B, C, D, E, F, G, H;
+
+ /* init W */
+ GET_UINT32( W[0], data, 0 );
+ GET_UINT32( W[1], data, 4 );
+ GET_UINT32( W[2], data, 8 );
+ GET_UINT32( W[3], data, 12 );
+ GET_UINT32( W[4], data, 16 );
+ GET_UINT32( W[5], data, 20 );
+ GET_UINT32( W[6], data, 24 );
+ GET_UINT32( W[7], data, 28 );
+ GET_UINT32( W[8], data, 32 );
+ GET_UINT32( W[9], data, 36 );
+ GET_UINT32( W[10], data, 40 );
+ GET_UINT32( W[11], data, 44 );
+ GET_UINT32( W[12], data, 48 );
+ GET_UINT32( W[13], data, 52 );
+ GET_UINT32( W[14], data, 56 );
+ GET_UINT32( W[15], data, 60 );
+
+#define RR(x,n) ((x << (32 - n)) | ((x & 0xFFFFFFFF) >> n))
+#define S0(x) (RR(x, 7) ^ RR(x, 18) ^ (x >> 3))
+#define S1(x) (RR(x, 17) ^ RR(x, 19) ^ (x >> 10))
+
+ for (i = 16; i < 64 ; i++)
+ {
+ W[i] = W[i - 16] + S0(W[i - 15]) + W[i - 7] + S1(W[i - 2]);
+ }
+
+ /* Compression */
+ A = ctx->state[0];
+ B = ctx->state[1];
+ C = ctx->state[2];
+ D = ctx->state[3];
+ E = ctx->state[4];
+ F = ctx->state[5];
+ G = ctx->state[6];
+ H = ctx->state[7];
+
+#undef S0
+#undef S1
+#define S0(x) (RR(x, 2) ^ RR(x, 13) ^ RR(x, 22))
+#define S1(x) (RR(x, 6) ^ RR(x, 11) ^ RR(x, 25))
+#define CH(x,y,z) (z ^ (x & (y ^ z)))
+#define MAJ(x,y,z) (((x | y) & z) | (x & y))
+
+ for (i = 0; i < 64; ++i) {
+ temp1 = H + S1(E) + CH(E, F, G) + K[i] + W[i];
+ temp2 = S0(A) + MAJ(A, B, C);
+ H = G;
+ G = F;
+ F = E;
+ E = D + temp1;
+ D = C;
+ C = B;
+ B = A;
+ A = temp1 + temp2;
+
+ }
+
+ ctx->state[0] += A;
+ ctx->state[1] += B;
+ ctx->state[2] += C;
+ ctx->state[3] += D;
+ ctx->state[4] += E;
+ ctx->state[5] += F;
+ ctx->state[6] += G;
+ ctx->state[7] += H;
+}
+
+void sha256_update( sha256_context *ctx, const guint8 *input, guint32 length )
+{
+ guint32 left, fill;
+
+ if( ! length ) return;
+
+ left = ctx->total % SHA256_BLOCK_SIZE;
+ fill = SHA256_BLOCK_SIZE - left;
+
+ ctx->total += length;
+
+ if( left && length >= fill )
+ {
+ memcpy( (void *) (ctx->buffer + left),
+ (const void *) input, fill );
+ sha256_process( ctx, ctx->buffer );
+ length -= fill;
+ input += fill;
+ left = 0;
+ }
+
+ while( length >= SHA256_BLOCK_SIZE )
+ {
+ sha256_process( ctx, input );
+ length -= SHA256_BLOCK_SIZE;
+ input += SHA256_BLOCK_SIZE;
+ }
+
+ if( length )
+ {
+ memcpy( (void *) (ctx->buffer + left),
+ (const void *) input, length );
+ }
+}
+
+static guint8 sha256_padding[64] =
+{
+ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+void sha256_finish( sha256_context *ctx, guint8 digest[SHA256_DIGEST_LEN] )
+{
+ guint32 last, padn;
+ guint64 total_length;
+ guint8 msglen[8];
+
+ total_length = ctx->total * 8;
+
+ last = ctx->total % SHA256_BLOCK_SIZE;
+ padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
+
+ PUT_UINT32( total_length >> 32, msglen, 0 );
+ PUT_UINT32( total_length, msglen, 4 );
+
+ sha256_update( ctx, sha256_padding, padn );
+ sha256_update( ctx, msglen, 8 );
+
+ PUT_UINT32( ctx->state[0], digest, 0 );
+ PUT_UINT32( ctx->state[1], digest, 4 );
+ PUT_UINT32( ctx->state[2], digest, 8 );
+ PUT_UINT32( ctx->state[3], digest, 12 );
+ PUT_UINT32( ctx->state[4], digest, 16 );
+ PUT_UINT32( ctx->state[5], digest, 20 );
+ PUT_UINT32( ctx->state[6], digest, 24 );
+ PUT_UINT32( ctx->state[7], digest, 28 );
+}
+
+void sha256_hmac_starts( sha256_hmac_context *hctx, const guint8 *key, guint32 keylen )
+{
+ guint32 i;
+ guint8 k_ipad[SHA256_BLOCK_SIZE];
+ guint8 key_compress[SHA256_DIGEST_LEN];
+
+ memset( k_ipad, 0x36, SHA256_BLOCK_SIZE );
+ memset( hctx->k_opad, 0x5C, SHA256_BLOCK_SIZE );
+
+ if (keylen > SHA256_BLOCK_SIZE)
+ {
+ sha256_starts( &hctx->ctx );
+ sha256_update( &hctx->ctx, key, keylen );
+ sha256_finish( &hctx->ctx, key_compress );
+ key = key_compress;
+ keylen = SHA256_DIGEST_LEN;
+ }
+
+ for( i = 0; i < keylen; i++ )
+ {
+ k_ipad[i] ^= key[i];
+ hctx->k_opad[i] ^= key[i];
+ }
+
+ sha256_starts( &hctx->ctx );
+ sha256_update( &hctx->ctx, k_ipad, SHA256_BLOCK_SIZE );
+}
+
+void sha256_hmac_update( sha256_hmac_context *hctx, const guint8 *buf, guint32 buflen )
+{
+ sha256_update( &hctx->ctx, buf, buflen );
+}
+
+void sha256_hmac_finish( sha256_hmac_context *hctx, guint8 digest[SHA256_DIGEST_LEN] )
+{
+ guint8 tmpbuf[SHA256_DIGEST_LEN];
+
+ sha256_finish( &hctx->ctx, tmpbuf );
+
+ sha256_starts( &hctx->ctx );
+ sha256_update( &hctx->ctx, hctx->k_opad, SHA256_BLOCK_SIZE );
+ sha256_update( &hctx->ctx, tmpbuf, SHA256_DIGEST_LEN );
+ sha256_finish( &hctx->ctx, digest );
+}
+
+void sha256_hmac( const guint8 *key, guint32 keylen, const guint8 *buf, guint32 buflen,
+ guint8 digest[SHA256_DIGEST_LEN] )
+{
+ sha256_hmac_context hctx;
+
+ sha256_hmac_starts( &hctx, key, keylen );
+ sha256_hmac_update( &hctx, buf, buflen );
+ sha256_hmac_finish( &hctx, digest );
+}
+
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
diff --git a/wsutil/sha2.h b/wsutil/sha2.h
new file mode 100644
index 0000000000..baca2233c1
--- /dev/null
+++ b/wsutil/sha2.h
@@ -0,0 +1,75 @@
+/*
+ * FIPS-180-2 compliant SHA-2 implementation (only sha256 so far)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+ */
+
+#ifndef _SHA2_H
+#define _SHA2_H
+
+#include "ws_symbol_export.h"
+
+#define SHA256_DIGEST_LEN 32
+#define SHA256_BLOCK_SIZE 64
+
+typedef struct
+{
+ guint64 total;
+ guint32 state[8];
+ guint8 buffer[SHA256_BLOCK_SIZE];
+}
+ sha256_context;
+
+WS_DLL_PUBLIC
+void sha256_starts( sha256_context *ctx );
+WS_DLL_PUBLIC
+void sha256_update( sha256_context *ctx, const guint8 *input, guint32 length );
+WS_DLL_PUBLIC
+void sha256_finish( sha256_context *ctx, guint8 digest[SHA256_DIGEST_LEN] );
+
+
+typedef struct {
+ sha256_context ctx;
+ guint8 k_opad[SHA256_BLOCK_SIZE];
+}
+ sha256_hmac_context;
+
+WS_DLL_PUBLIC
+void sha256_hmac_starts( sha256_hmac_context *hctx, const guint8 *key, guint32 keylen );
+WS_DLL_PUBLIC
+void sha256_hmac_update( sha256_hmac_context *hctx, const guint8 *buf, guint32 buflen );
+WS_DLL_PUBLIC
+void sha256_hmac_finish( sha256_hmac_context *hctx, guint8 digest[SHA256_DIGEST_LEN] );
+WS_DLL_PUBLIC
+void sha256_hmac( const guint8 *key, guint32 keylen, const guint8 *buf, guint32 buflen,
+ guint8 digest[SHA256_DIGEST_LEN] );
+
+
+
+#endif /* _SHA2_H */
+
+/*
+ * Editor modelines - http://www.wireshark.org/tools/modelines.html
+ *
+ * Local variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * vi: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-13 13:57:40 +0000