Add libsodium to the tree and build what's needed from source.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3859 ed5197a5-7fde-0310-b194-c3ffbd925b24

deps/libsodium/test/default/auth.c

@@ -0,0 +1,141 @@
+
+#define TEST_NAME "auth"
+#include "cmptest.h"
+
+/* "Test Case 2" from RFC 4231 */
+static unsigned char key[32] = "Jefe";
+static unsigned char c[]     = "what do ya want for nothing?";
+
+/* Hacker manifesto */
+static unsigned char key2[] =
+    "Another one got caught today, it's all over the papers. \"Teenager "
+    "Arrested in Computer Crime Scandal\", \"Hacker Arrested after Bank "
+    "Tampering\"... Damn kids. They're all alike.";
+
+static unsigned char a[crypto_auth_BYTES];
+static unsigned char a2[crypto_auth_hmacsha512_BYTES];
+static unsigned char a3[crypto_auth_hmacsha512_BYTES];
+
+int
+main(void)
+{
+    crypto_auth_hmacsha512_state st;
+    crypto_auth_hmacsha256_state st256;
+    crypto_auth_hmacsha512256_state st512_256;
+    size_t                       i;
+
+    assert(crypto_auth_hmacsha512_statebytes() ==
+           sizeof(crypto_auth_hmacsha512_state));
+    crypto_auth(a, c, sizeof c - 1U, key);
+    for (i = 0; i < sizeof a; ++i) {
+        printf(",0x%02x", (unsigned int) a[i]);
+        if (i % 8 == 7)
+            printf("\n");
+    }
+    printf("\n");
+
+    crypto_auth_hmacsha512_init(&st, key, sizeof key);
+    crypto_auth_hmacsha512_update(&st, c, 1U);
+    crypto_auth_hmacsha512_update(&st, c, sizeof c - 2U);
+    crypto_auth_hmacsha512_final(&st, a2);
+    for (i = 0; i < sizeof a2; ++i) {
+        printf(",0x%02x", (unsigned int) a2[i]);
+        if (i % 8 == 7)
+            printf("\n");
+    }
+    printf("\n");
+
+    crypto_auth_hmacsha512_init(&st, key2, sizeof key2);
+    crypto_auth_hmacsha512_update(&st, c, 1U);
+    crypto_auth_hmacsha512_update(&st, c, sizeof c - 2U);
+    crypto_auth_hmacsha512_final(&st, a2);
+    for (i = 0; i < sizeof a2; ++i) {
+        printf(",0x%02x", (unsigned int) a2[i]);
+        if (i % 8 == 7)
+            printf("\n");
+    }
+
+    memset(a2, 0, sizeof a2);
+    crypto_auth_hmacsha256_init(&st256, key2, sizeof key2);
+    crypto_auth_hmacsha256_update(&st256, guard_page, 0U);
+    crypto_auth_hmacsha256_update(&st256, c, 1U);
+    crypto_auth_hmacsha256_update(&st256, c, sizeof c - 2U);
+    crypto_auth_hmacsha256_final(&st256, a2);
+    for (i = 0; i < sizeof a2; ++i) {
+        printf(",0x%02x", (unsigned int) a2[i]);
+        if (i % 8 == 7)
+            printf("\n");
+    }
+
+    /* Empty message tests: HMAC-SHA512 */
+    memset(a2, 0, sizeof a2);
+    crypto_auth_hmacsha512_init(&st, key, sizeof key);
+    crypto_auth_hmacsha512_final(&st, a2);
+
+    memset(a3, 0, sizeof a3);
+    crypto_auth_hmacsha512_init(&st, key, sizeof key);
+    crypto_auth_hmacsha512_update(&st, a2, 0U);
+    crypto_auth_hmacsha512_final(&st, a3);
+    assert(sodium_memcmp(a2, a3, sizeof a2) == 0);
+
+    memset(a3, 0, sizeof a3);
+    crypto_auth_hmacsha512_init(&st, key, sizeof key);
+    crypto_auth_hmacsha512_update(&st, guard_page, 0U);
+    crypto_auth_hmacsha512_final(&st, a3);
+    assert(sodium_memcmp(a2, a3, sizeof a2) == 0);
+
+    /* Empty message tests: HMAC-SHA512-256 */
+    memset(a2, 0, sizeof a2);
+    crypto_auth_hmacsha512256_init(&st512_256, key, sizeof key);
+    crypto_auth_hmacsha512256_final(&st512_256, a2);
+
+    memset(a3, 0, sizeof a3);
+    crypto_auth_hmacsha512256_init(&st512_256, key, sizeof key);
+    crypto_auth_hmacsha512256_update(&st512_256, a2, 0U);
+    crypto_auth_hmacsha512256_final(&st512_256, a3);
+    assert(sodium_memcmp(a2, a3, sizeof a2) == 0);
+
+    memset(a3, 0, sizeof a3);
+    crypto_auth_hmacsha512256_init(&st512_256, key, sizeof key);
+    crypto_auth_hmacsha512256_update(&st512_256, guard_page, 0U);
+    crypto_auth_hmacsha512256_final(&st512_256, a3);
+    assert(sodium_memcmp(a2, a3, sizeof a2) == 0);
+
+    /* Empty message tests: HMAC-SHA256 */
+
+    memset(a2, 0, sizeof a2);
+    crypto_auth_hmacsha256_init(&st256, key, sizeof key);
+    crypto_auth_hmacsha256_final(&st256, a2);
+
+    memset(a3, 0, sizeof a3);
+    crypto_auth_hmacsha256_init(&st256, key, sizeof key);
+    crypto_auth_hmacsha256_update(&st256, a2, 0U);
+    crypto_auth_hmacsha256_final(&st256, a3);
+    assert(sodium_memcmp(a2, a3, sizeof a2) == 0);
+
+    memset(a3, 0, sizeof a3);
+    crypto_auth_hmacsha256_init(&st256, key, sizeof key);
+    crypto_auth_hmacsha256_update(&st256, guard_page, 0U);
+    crypto_auth_hmacsha256_final(&st256, a3);
+    assert(sodium_memcmp(a2, a3, sizeof a2) == 0);
+
+    /* --- */
+
+    assert(crypto_auth_bytes() > 0U);
+    assert(crypto_auth_keybytes() > 0U);
+    assert(strcmp(crypto_auth_primitive(), "hmacsha512256") == 0);
+    assert(crypto_auth_hmacsha256_bytes() > 0U);
+    assert(crypto_auth_hmacsha256_keybytes() > 0U);
+    assert(crypto_auth_hmacsha512_bytes() > 0U);
+    assert(crypto_auth_hmacsha512_keybytes() > 0U);
+    assert(crypto_auth_hmacsha512256_bytes() == crypto_auth_bytes());
+    assert(crypto_auth_hmacsha512256_keybytes() == crypto_auth_keybytes());
+    assert(crypto_auth_hmacsha512256_statebytes() >=
+           crypto_auth_hmacsha512256_keybytes());
+    assert(crypto_auth_hmacsha256_statebytes() ==
+           sizeof(crypto_auth_hmacsha256_state));
+    assert(crypto_auth_hmacsha512_statebytes() ==
+           sizeof(crypto_auth_hmacsha512_state));
+
+    return 0;
+}