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authorMicah Anderson <micah@riseup.net>2014-08-11 13:49:21 -0400
committerMicah Anderson <micah@riseup.net>2014-08-11 13:49:21 -0400
commit2e59f9740a29439df7c7a56cf0ae83dec3081d31 (patch)
treed5e7c4e74c9a0f1ea999327d2e68b1dd27be00e0 /src/libsodium/crypto_auth/hmacsha256
initial import of debian version from mentors0.6.1
Diffstat (limited to 'src/libsodium/crypto_auth/hmacsha256')
-rw-r--r--src/libsodium/crypto_auth/hmacsha256/auth_hmacsha256_api.c11
-rw-r--r--src/libsodium/crypto_auth/hmacsha256/checksum1
-rw-r--r--src/libsodium/crypto_auth/hmacsha256/cp/api.h9
-rw-r--r--src/libsodium/crypto_auth/hmacsha256/cp/hmac_hmacsha256.c110
-rw-r--r--src/libsodium/crypto_auth/hmacsha256/cp/verify_hmacsha256.c9
5 files changed, 140 insertions, 0 deletions
diff --git a/src/libsodium/crypto_auth/hmacsha256/auth_hmacsha256_api.c b/src/libsodium/crypto_auth/hmacsha256/auth_hmacsha256_api.c
new file mode 100644
index 0000000..5af3388
--- /dev/null
+++ b/src/libsodium/crypto_auth/hmacsha256/auth_hmacsha256_api.c
@@ -0,0 +1,11 @@
+#include "crypto_auth_hmacsha256.h"
+
+size_t
+crypto_auth_hmacsha256_bytes(void) {
+ return crypto_auth_hmacsha256_BYTES;
+}
+
+size_t
+crypto_auth_hmacsha256_keybytes(void) {
+ return crypto_auth_hmacsha256_KEYBYTES;
+}
diff --git a/src/libsodium/crypto_auth/hmacsha256/checksum b/src/libsodium/crypto_auth/hmacsha256/checksum
new file mode 100644
index 0000000..2fa9604
--- /dev/null
+++ b/src/libsodium/crypto_auth/hmacsha256/checksum
@@ -0,0 +1 @@
+3bd7abd4f4dce04396f2ac7cb1cff70607f692411c49a1563b037d31e1662632
diff --git a/src/libsodium/crypto_auth/hmacsha256/cp/api.h b/src/libsodium/crypto_auth/hmacsha256/cp/api.h
new file mode 100644
index 0000000..cd4d38e
--- /dev/null
+++ b/src/libsodium/crypto_auth/hmacsha256/cp/api.h
@@ -0,0 +1,9 @@
+
+#include "crypto_auth_hmacsha256.h"
+
+#define crypto_auth crypto_auth_hmacsha256
+#define crypto_auth_verify crypto_auth_hmacsha256_verify
+#define crypto_auth_BYTES crypto_auth_hmacsha256_BYTES
+#define crypto_auth_KEYBYTES crypto_auth_hmacsha256_KEYBYTES
+#define crypto_auth_IMPLEMENTATION crypto_auth_hmacsha256_IMPLEMENTATION
+#define crypto_auth_VERSION crypto_auth_hmacsha256_VERSION
diff --git a/src/libsodium/crypto_auth/hmacsha256/cp/hmac_hmacsha256.c b/src/libsodium/crypto_auth/hmacsha256/cp/hmac_hmacsha256.c
new file mode 100644
index 0000000..9cd69ac
--- /dev/null
+++ b/src/libsodium/crypto_auth/hmacsha256/cp/hmac_hmacsha256.c
@@ -0,0 +1,110 @@
+
+/*-
+ * Copyright 2005,2007,2009 Colin Percival
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include "api.h"
+#include "crypto_auth_hmacsha256.h"
+#include "crypto_hash_sha256.h"
+#include "utils.h"
+
+#include <sys/types.h>
+
+#include <stdint.h>
+#include <string.h>
+
+int
+crypto_auth_hmacsha256_init(crypto_auth_hmacsha256_state *state,
+ const unsigned char *key,
+ size_t keylen)
+{
+ unsigned char pad[64];
+ unsigned char khash[32];
+ size_t i;
+
+ if (keylen > 64) {
+ crypto_hash_sha256_init(&state->ictx);
+ crypto_hash_sha256_update(&state->ictx, key, keylen);
+ crypto_hash_sha256_final(&state->ictx, khash);
+ key = khash;
+ keylen = 32;
+ }
+ crypto_hash_sha256_init(&state->ictx);
+ memset(pad, 0x36, 64);
+ for (i = 0; i < keylen; i++) {
+ pad[i] ^= key[i];
+ }
+ crypto_hash_sha256_update(&state->ictx, pad, 64);
+
+ crypto_hash_sha256_init(&state->octx);
+ memset(pad, 0x5c, 64);
+ for (i = 0; i < keylen; i++) {
+ pad[i] ^= key[i];
+ }
+ crypto_hash_sha256_update(&state->octx, pad, 64);
+
+ sodium_memzero((void *) khash, sizeof khash);
+
+ return 0;
+}
+
+int
+crypto_auth_hmacsha256_update(crypto_auth_hmacsha256_state *state,
+ const unsigned char *in,
+ unsigned long long inlen)
+{
+ crypto_hash_sha256_update(&state->ictx, in, inlen);
+
+ return 0;
+}
+
+int
+crypto_auth_hmacsha256_final(crypto_auth_hmacsha256_state *state,
+ unsigned char *out)
+{
+ unsigned char ihash[32];
+
+ crypto_hash_sha256_final(&state->ictx, ihash);
+ crypto_hash_sha256_update(&state->octx, ihash, 32);
+ crypto_hash_sha256_final(&state->octx, out);
+
+ sodium_memzero((void *) ihash, sizeof ihash);
+
+ return 0;
+}
+
+int
+crypto_auth(unsigned char *out, const unsigned char *in,
+ unsigned long long inlen, const unsigned char *k)
+{
+ crypto_auth_hmacsha256_state state;
+
+ crypto_auth_hmacsha256_init(&state, k, crypto_auth_KEYBYTES);
+ crypto_auth_hmacsha256_update(&state, in, inlen);
+ crypto_auth_hmacsha256_final(&state, out);
+
+ return 0;
+}
diff --git a/src/libsodium/crypto_auth/hmacsha256/cp/verify_hmacsha256.c b/src/libsodium/crypto_auth/hmacsha256/cp/verify_hmacsha256.c
new file mode 100644
index 0000000..b6cf489
--- /dev/null
+++ b/src/libsodium/crypto_auth/hmacsha256/cp/verify_hmacsha256.c
@@ -0,0 +1,9 @@
+#include "api.h"
+#include "crypto_verify_32.h"
+
+int crypto_auth_verify(const unsigned char *h,const unsigned char *in,unsigned long long inlen,const unsigned char *k)
+{
+ unsigned char correct[32];
+ crypto_auth(correct,in,inlen,k);
+ return crypto_verify_32(h,correct);
+}