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-rw-r--r--eap_example/Makefile12
-rw-r--r--hostapd/Makefile6
-rw-r--r--src/crypto/sha256-internal.c239
-rw-r--r--src/crypto/sha256.c225
-rw-r--r--src/utils/build_config.h1
-rw-r--r--wpa_supplicant/Makefile15
6 files changed, 259 insertions, 239 deletions
diff --git a/eap_example/Makefile b/eap_example/Makefile
index 493eff0..2abe171 100644
--- a/eap_example/Makefile
+++ b/eap_example/Makefile
@@ -37,13 +37,13 @@ OBJS_both += ../src/crypto/md4.o
OBJS_both += ../src/crypto/sha1.o
OBJS_both += ../src/crypto/aes_wrap.o
OBJS_both += ../src/crypto/ms_funcs.o
-OBJS_both += ../src/crypto/sha256.o
ifeq ($(CONFIG_TLS), internal)
OBJS_both += ../src/crypto/sha1-internal.o
OBJS_both += ../src/crypto/des-internal.o
OBJS_both += ../src/crypto/aes-internal.o
endif
+SHA256OBJS = ../src/crypto/sha256.o
OBJS_both += ../src/eap_common/eap_peap_common.o
@@ -103,7 +103,7 @@ CFLAGS += -DEAP_TLS_OPENSSL
OBJS_both += ../src/crypto/tls_openssl.o
OBJS_both += ../src/crypto/crypto_openssl.o
LIBS += -lssl -lcrypto
-CFLAGS += -DINTERNAL_SHA256
+CONFIG_INTERNAL_SHA256=y
endif
ifeq ($(CONFIG_TLS), internal)
@@ -124,7 +124,7 @@ CFLAGS += -DCONFIG_TLS_INTERNAL_SERVER
CFLAGS += -DCONFIG_TLS_INTERNAL
CFLAGS += -DCONFIG_CRYPTO_INTERNAL
CFLAGS += -DCONFIG_INTERNAL_X509
-CFLAGS += -DINTERNAL_SHA256
+CONFIG_INTERNAL_SHA256=y
CFLAGS += -DINTERNAL_MD5
CFLAGS += -DINTERNAL_MD4
ifdef CONFIG_INTERNAL_LIBTOMMATH
@@ -135,6 +135,12 @@ endif
endif
+ifdef CONFIG_INTERNAL_SHA256
+SHA256OBJS += ../src/crypto/sha256-internal.o
+endif
+
+OBJS_both += $(SHA256OBJS)
+
# Optional components to add EAP server support
OBJS_server += ../src/eap_server/eap_tls.o
diff --git a/hostapd/Makefile b/hostapd/Makefile
index beb18e5..00e9f60 100644
--- a/hostapd/Makefile
+++ b/hostapd/Makefile
@@ -534,9 +534,6 @@ endif
ifdef CONFIG_INTERNAL_SHA1
OBJS += ../src/crypto/sha1-internal.o
endif
-ifdef CONFIG_INTERNAL_SHA256
-CFLAGS += -DINTERNAL_SHA256
-endif
ifdef CONFIG_INTERNAL_MD5
CFLAGS += -DINTERNAL_MD5
endif
@@ -549,6 +546,9 @@ endif
ifdef NEED_SHA256
OBJS += ../src/crypto/sha256.o
+ifdef CONFIG_INTERNAL_SHA256
+OBJS += ../src/crypto/sha256-internal.o
+endif
endif
ifdef NEED_DH_GROUPS
diff --git a/src/crypto/sha256-internal.c b/src/crypto/sha256-internal.c
new file mode 100644
index 0000000..3b33ace
--- /dev/null
+++ b/src/crypto/sha256-internal.c
@@ -0,0 +1,239 @@
+/*
+ * SHA-256 hash implementation and interface functions
+ * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "sha256.h"
+#include "crypto.h"
+
+struct sha256_state {
+ u64 length;
+ u32 state[8], curlen;
+ u8 buf[64];
+};
+
+static void sha256_init(struct sha256_state *md);
+static int sha256_process(struct sha256_state *md, const unsigned char *in,
+ unsigned long inlen);
+static int sha256_done(struct sha256_state *md, unsigned char *out);
+
+
+/**
+ * sha256_vector - SHA256 hash for data vector
+ * @num_elem: Number of elements in the data vector
+ * @addr: Pointers to the data areas
+ * @len: Lengths of the data blocks
+ * @mac: Buffer for the hash
+ */
+void sha256_vector(size_t num_elem, const u8 *addr[], const size_t *len,
+ u8 *mac)
+{
+ struct sha256_state ctx;
+ size_t i;
+
+ sha256_init(&ctx);
+ for (i = 0; i < num_elem; i++)
+ sha256_process(&ctx, addr[i], len[i]);
+ sha256_done(&ctx, mac);
+}
+
+
+/* ===== start - public domain SHA256 implementation ===== */
+
+/* This is based on SHA256 implementation in LibTomCrypt that was released into
+ * public domain by Tom St Denis. */
+
+/* the K array */
+static const unsigned long 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
+};
+
+
+/* Various logical functions */
+#define RORc(x, y) \
+( ((((unsigned long) (x) & 0xFFFFFFFFUL) >> (unsigned long) ((y) & 31)) | \
+ ((unsigned long) (x) << (unsigned long) (32 - ((y) & 31)))) & 0xFFFFFFFFUL)
+#define Ch(x,y,z) (z ^ (x & (y ^ z)))
+#define Maj(x,y,z) (((x | y) & z) | (x & y))
+#define S(x, n) RORc((x), (n))
+#define R(x, n) (((x)&0xFFFFFFFFUL)>>(n))
+#define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22))
+#define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))
+#define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))
+#define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))
+#ifndef MIN
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
+#endif
+
+/* compress 512-bits */
+static int sha256_compress(struct sha256_state *md, unsigned char *buf)
+{
+ u32 S[8], W[64], t0, t1;
+ u32 t;
+ int i;
+
+ /* copy state into S */
+ for (i = 0; i < 8; i++) {
+ S[i] = md->state[i];
+ }
+
+ /* copy the state into 512-bits into W[0..15] */
+ for (i = 0; i < 16; i++)
+ W[i] = WPA_GET_BE32(buf + (4 * i));
+
+ /* fill W[16..63] */
+ for (i = 16; i < 64; i++) {
+ W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) +
+ W[i - 16];
+ }
+
+ /* Compress */
+#define RND(a,b,c,d,e,f,g,h,i) \
+ t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
+ t1 = Sigma0(a) + Maj(a, b, c); \
+ d += t0; \
+ h = t0 + t1;
+
+ for (i = 0; i < 64; ++i) {
+ RND(S[0], S[1], S[2], S[3], S[4], S[5], S[6], S[7], i);
+ t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4];
+ S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
+ }
+
+ /* feedback */
+ for (i = 0; i < 8; i++) {
+ md->state[i] = md->state[i] + S[i];
+ }
+ return 0;
+}
+
+
+/* Initialize the hash state */
+static void sha256_init(struct sha256_state *md)
+{
+ md->curlen = 0;
+ md->length = 0;
+ md->state[0] = 0x6A09E667UL;
+ md->state[1] = 0xBB67AE85UL;
+ md->state[2] = 0x3C6EF372UL;
+ md->state[3] = 0xA54FF53AUL;
+ md->state[4] = 0x510E527FUL;
+ md->state[5] = 0x9B05688CUL;
+ md->state[6] = 0x1F83D9ABUL;
+ md->state[7] = 0x5BE0CD19UL;
+}
+
+/**
+ Process a block of memory though the hash
+ @param md The hash state
+ @param in The data to hash
+ @param inlen The length of the data (octets)
+ @return CRYPT_OK if successful
+*/
+static int sha256_process(struct sha256_state *md, const unsigned char *in,
+ unsigned long inlen)
+{
+ unsigned long n;
+#define block_size 64
+
+ if (md->curlen > sizeof(md->buf))
+ return -1;
+
+ while (inlen > 0) {
+ if (md->curlen == 0 && inlen >= block_size) {
+ if (sha256_compress(md, (unsigned char *) in) < 0)
+ return -1;
+ md->length += block_size * 8;
+ in += block_size;
+ inlen -= block_size;
+ } else {
+ n = MIN(inlen, (block_size - md->curlen));
+ os_memcpy(md->buf + md->curlen, in, n);
+ md->curlen += n;
+ in += n;
+ inlen -= n;
+ if (md->curlen == block_size) {
+ if (sha256_compress(md, md->buf) < 0)
+ return -1;
+ md->length += 8 * block_size;
+ md->curlen = 0;
+ }
+ }
+ }
+
+ return 0;
+}
+
+
+/**
+ Terminate the hash to get the digest
+ @param md The hash state
+ @param out [out] The destination of the hash (32 bytes)
+ @return CRYPT_OK if successful
+*/
+static int sha256_done(struct sha256_state *md, unsigned char *out)
+{
+ int i;
+
+ if (md->curlen >= sizeof(md->buf))
+ return -1;
+
+ /* increase the length of the message */
+ md->length += md->curlen * 8;
+
+ /* append the '1' bit */
+ md->buf[md->curlen++] = (unsigned char) 0x80;
+
+ /* if the length is currently above 56 bytes we append zeros
+ * then compress. Then we can fall back to padding zeros and length
+ * encoding like normal.
+ */
+ if (md->curlen > 56) {
+ while (md->curlen < 64) {
+ md->buf[md->curlen++] = (unsigned char) 0;
+ }
+ sha256_compress(md, md->buf);
+ md->curlen = 0;
+ }
+
+ /* pad upto 56 bytes of zeroes */
+ while (md->curlen < 56) {
+ md->buf[md->curlen++] = (unsigned char) 0;
+ }
+
+ /* store length */
+ WPA_PUT_BE64(md->buf + 56, md->length);
+ sha256_compress(md, md->buf);
+
+ /* copy output */
+ for (i = 0; i < 8; i++)
+ WPA_PUT_BE32(out + (4 * i), md->state[i]);
+
+ return 0;
+}
+
+/* ===== end - public domain SHA256 implementation ===== */
diff --git a/src/crypto/sha256.c b/src/crypto/sha256.c
index 96dac0e..7f320f9 100644
--- a/src/crypto/sha256.c
+++ b/src/crypto/sha256.c
@@ -155,228 +155,3 @@ void sha256_prf(const u8 *key, size_t key_len, const char *label,
counter++;
}
}
-
-
-#ifdef INTERNAL_SHA256
-
-struct sha256_state {
- u64 length;
- u32 state[8], curlen;
- u8 buf[64];
-};
-
-static void sha256_init(struct sha256_state *md);
-static int sha256_process(struct sha256_state *md, const unsigned char *in,
- unsigned long inlen);
-static int sha256_done(struct sha256_state *md, unsigned char *out);
-
-
-/**
- * sha256_vector - SHA256 hash for data vector
- * @num_elem: Number of elements in the data vector
- * @addr: Pointers to the data areas
- * @len: Lengths of the data blocks
- * @mac: Buffer for the hash
- */
-void sha256_vector(size_t num_elem, const u8 *addr[], const size_t *len,
- u8 *mac)
-{
- struct sha256_state ctx;
- size_t i;
-
- sha256_init(&ctx);
- for (i = 0; i < num_elem; i++)
- sha256_process(&ctx, addr[i], len[i]);
- sha256_done(&ctx, mac);
-}
-
-
-/* ===== start - public domain SHA256 implementation ===== */
-
-/* This is based on SHA256 implementation in LibTomCrypt that was released into
- * public domain by Tom St Denis. */
-
-/* the K array */
-static const unsigned long 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
-};
-
-
-/* Various logical functions */
-#define RORc(x, y) \
-( ((((unsigned long) (x) & 0xFFFFFFFFUL) >> (unsigned long) ((y) & 31)) | \
- ((unsigned long) (x) << (unsigned long) (32 - ((y) & 31)))) & 0xFFFFFFFFUL)
-#define Ch(x,y,z) (z ^ (x & (y ^ z)))
-#define Maj(x,y,z) (((x | y) & z) | (x & y))
-#define S(x, n) RORc((x), (n))
-#define R(x, n) (((x)&0xFFFFFFFFUL)>>(n))
-#define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22))
-#define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))
-#define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))
-#define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))
-#ifndef MIN
-#define MIN(x, y) (((x) < (y)) ? (x) : (y))
-#endif
-
-/* compress 512-bits */
-static int sha256_compress(struct sha256_state *md, unsigned char *buf)
-{
- u32 S[8], W[64], t0, t1;
- u32 t;
- int i;
-
- /* copy state into S */
- for (i = 0; i < 8; i++) {
- S[i] = md->state[i];
- }
-
- /* copy the state into 512-bits into W[0..15] */
- for (i = 0; i < 16; i++)
- W[i] = WPA_GET_BE32(buf + (4 * i));
-
- /* fill W[16..63] */
- for (i = 16; i < 64; i++) {
- W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) +
- W[i - 16];
- }
-
- /* Compress */
-#define RND(a,b,c,d,e,f,g,h,i) \
- t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
- t1 = Sigma0(a) + Maj(a, b, c); \
- d += t0; \
- h = t0 + t1;
-
- for (i = 0; i < 64; ++i) {
- RND(S[0], S[1], S[2], S[3], S[4], S[5], S[6], S[7], i);
- t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4];
- S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
- }
-
- /* feedback */
- for (i = 0; i < 8; i++) {
- md->state[i] = md->state[i] + S[i];
- }
- return 0;
-}
-
-
-/* Initialize the hash state */
-static void sha256_init(struct sha256_state *md)
-{
- md->curlen = 0;
- md->length = 0;
- md->state[0] = 0x6A09E667UL;
- md->state[1] = 0xBB67AE85UL;
- md->state[2] = 0x3C6EF372UL;
- md->state[3] = 0xA54FF53AUL;
- md->state[4] = 0x510E527FUL;
- md->state[5] = 0x9B05688CUL;
- md->state[6] = 0x1F83D9ABUL;
- md->state[7] = 0x5BE0CD19UL;
-}
-
-/**
- Process a block of memory though the hash
- @param md The hash state
- @param in The data to hash
- @param inlen The length of the data (octets)
- @return CRYPT_OK if successful
-*/
-static int sha256_process(struct sha256_state *md, const unsigned char *in,
- unsigned long inlen)
-{
- unsigned long n;
-#define block_size 64
-
- if (md->curlen > sizeof(md->buf))
- return -1;
-
- while (inlen > 0) {
- if (md->curlen == 0 && inlen >= block_size) {
- if (sha256_compress(md, (unsigned char *) in) < 0)
- return -1;
- md->length += block_size * 8;
- in += block_size;
- inlen -= block_size;
- } else {
- n = MIN(inlen, (block_size - md->curlen));
- os_memcpy(md->buf + md->curlen, in, n);
- md->curlen += n;
- in += n;
- inlen -= n;
- if (md->curlen == block_size) {
- if (sha256_compress(md, md->buf) < 0)
- return -1;
- md->length += 8 * block_size;
- md->curlen = 0;
- }
- }
- }
-
- return 0;
-}
-
-
-/**
- Terminate the hash to get the digest
- @param md The hash state
- @param out [out] The destination of the hash (32 bytes)
- @return CRYPT_OK if successful
-*/
-static int sha256_done(struct sha256_state *md, unsigned char *out)
-{
- int i;
-
- if (md->curlen >= sizeof(md->buf))
- return -1;
-
- /* increase the length of the message */
- md->length += md->curlen * 8;
-
- /* append the '1' bit */
- md->buf[md->curlen++] = (unsigned char) 0x80;
-
- /* if the length is currently above 56 bytes we append zeros
- * then compress. Then we can fall back to padding zeros and length
- * encoding like normal.
- */
- if (md->curlen > 56) {
- while (md->curlen < 64) {
- md->buf[md->curlen++] = (unsigned char) 0;
- }
- sha256_compress(md, md->buf);
- md->curlen = 0;
- }
-
- /* pad upto 56 bytes of zeroes */
- while (md->curlen < 56) {
- md->buf[md->curlen++] = (unsigned char) 0;
- }
-
- /* store length */
- WPA_PUT_BE64(md->buf + 56, md->length);
- sha256_compress(md, md->buf);
-
- /* copy output */
- for (i = 0; i < 8; i++)
- WPA_PUT_BE32(out + (4 * i), md->state[i]);
-
- return 0;
-}
-
-/* ===== end - public domain SHA256 implementation ===== */
-
-#endif /* INTERNAL_SHA256 */
diff --git a/src/utils/build_config.h b/src/utils/build_config.h
index 32a628e..9289073 100644
--- a/src/utils/build_config.h
+++ b/src/utils/build_config.h
@@ -51,7 +51,6 @@
#define CONFIG_TLS_INTERNAL
#define CONFIG_TLS_INTERNAL_CLIENT
#define CONFIG_INTERNAL_LIBTOMMATH
-#define INTERNAL_SHA256
#define INTERNAL_MD5
#define INTERNAL_MD4
#define CONFIG_INTERNAL_X509
diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
index cfc180d..bd42025 100644
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -44,6 +44,7 @@ install: all
SHA1OBJS = ../src/crypto/sha1.o
DESOBJS = # none needed when not internal
AESOBJS = ../src/crypto/aes_wrap.o
+SHA256OBJS = # none by default
OBJS = config.o
@@ -909,9 +910,6 @@ endif
ifdef CONFIG_INTERNAL_SHA1
SHA1OBJS += ../src/crypto/sha1-internal.o
endif
-ifdef CONFIG_INTERNAL_SHA256
-CFLAGS += -DINTERNAL_SHA256
-endif
ifdef CONFIG_INTERNAL_MD5
CFLAGS += -DINTERNAL_MD5
endif
@@ -932,9 +930,13 @@ NEED_SHA256=y
endif
ifdef NEED_SHA256
-OBJS += ../src/crypto/sha256.o
+SHA256OBJS += ../src/crypto/sha256.o
CFLAGS += -DNEED_SHA256
+ifdef CONFIG_INTERNAL_SHA256
+SHA256OBJS += ../src/crypto/sha256-internal.o
+endif
endif
+OBJS += $(SHA256OBJS)
ifdef CONFIG_WIRELESS_EXTENSION
OBJS_d += ../src/drivers/driver_wext.o
@@ -1221,8 +1223,7 @@ OBJSx=tests/test_x509v3.o ../src/tls/asn1.o ../src/tls/x509v3.o \
../src/utils/common.o ../src/utils/wpa_debug.o ../src/utils/os_unix.o \
../src/crypto/crypto_$(CONFIG_CRYPTO).o \
../src/crypto/md5.o $(SHA1OBJS) $(AESOBJS) \
- ../src/crypto/rc4.o $(DESOBJS) \
- ../src/crypto/sha256.o \
+ ../src/crypto/rc4.o $(DESOBJS) $(SHA256OBJS) \
../src/tls/bignum.o ../src/tls/rsa.o
test_x509v3: $(OBJSx)
$(LDO) $(LDFLAGS) -o test_x509v3 $(OBJSx)
@@ -1306,7 +1307,7 @@ test-sha1: $(TEST_SHA1_OBJS)
./test-sha1
rm test-sha1
-TEST_SHA256_OBJS = ../src/crypto/sha256.o ../src/crypto/md5.o tests/test_sha256.o ../src/utils/os_unix.o ../src/crypto/crypto_openssl.o
+TEST_SHA256_OBJS = $(SHA256OBJS) ../src/crypto/md5.o tests/test_sha256.o ../src/utils/os_unix.o ../src/crypto/crypto_openssl.o
test-sha256: $(TEST_SHA256_OBJS)
$(LDO) $(LDFLAGS) -o $@ $(TEST_SHA256_OBJS) $(LIBS)
./test-sha256