preparing to build tox from sources

4 files changed, 477 insertions, 0 deletions

diff --git a/libs/libsodium/src/crypto_secretbox/crypto_secretbox.c b/libs/libsodium/src/crypto_secretbox/crypto_secretbox.c
new file mode 100644
index 0000000000..45f678ecdf
--- /dev/null
+++ b/libs/libsodium/src/crypto_secretbox/crypto_secretbox.c
@@ -0,0 +1,67 @@
+
+#include "crypto_secretbox.h"
+#include "randombytes.h"
+
+size_t
+crypto_secretbox_keybytes(void)
+{
+    return crypto_secretbox_KEYBYTES;
+}
+
+size_t
+crypto_secretbox_noncebytes(void)
+{
+    return crypto_secretbox_NONCEBYTES;
+}
+
+size_t
+crypto_secretbox_zerobytes(void)
+{
+    return crypto_secretbox_ZEROBYTES;
+}
+
+size_t
+crypto_secretbox_boxzerobytes(void)
+{
+    return crypto_secretbox_BOXZEROBYTES;
+}
+
+size_t
+crypto_secretbox_macbytes(void)
+{
+    return crypto_secretbox_MACBYTES;
+}
+
+size_t
+crypto_secretbox_messagebytes_max(void)
+{
+    return crypto_secretbox_MESSAGEBYTES_MAX;
+}
+
+const char *
+crypto_secretbox_primitive(void)
+{
+    return crypto_secretbox_PRIMITIVE;
+}
+
+int
+crypto_secretbox(unsigned char *c, const unsigned char *m,
+                 unsigned long long mlen, const unsigned char *n,
+                 const unsigned char *k)
+{
+    return crypto_secretbox_xsalsa20poly1305(c, m, mlen, n, k);
+}
+
+int
+crypto_secretbox_open(unsigned char *m, const unsigned char *c,
+                      unsigned long long clen, const unsigned char *n,
+                      const unsigned char *k)
+{
+    return crypto_secretbox_xsalsa20poly1305_open(m, c, clen, n, k);
+}
+
+void
+crypto_secretbox_keygen(unsigned char k[crypto_secretbox_KEYBYTES])
+{
+    randombytes_buf(k, crypto_secretbox_KEYBYTES);
+}
diff --git a/libs/libsodium/src/crypto_secretbox/crypto_secretbox_easy.c b/libs/libsodium/src/crypto_secretbox/crypto_secretbox_easy.c
new file mode 100644
index 0000000000..b1203849f2
--- /dev/null
+++ b/libs/libsodium/src/crypto_secretbox/crypto_secretbox_easy.c
@@ -0,0 +1,144 @@
+
+#include <assert.h>
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "core.h"
+#include "crypto_core_hsalsa20.h"
+#include "crypto_onetimeauth_poly1305.h"
+#include "crypto_secretbox.h"
+#include "crypto_stream_salsa20.h"
+#include "private/common.h"
+#include "utils.h"
+
+int
+crypto_secretbox_detached(unsigned char *c, unsigned char *mac,
+                          const unsigned char *m,
+                          unsigned long long mlen, const unsigned char *n,
+                          const unsigned char *k)
+{
+    crypto_onetimeauth_poly1305_state state;
+    unsigned char                     block0[64U];
+    unsigned char                     subkey[crypto_stream_salsa20_KEYBYTES];
+    unsigned long long                i;
+    unsigned long long                mlen0;
+
+    crypto_core_hsalsa20(subkey, n, k, NULL);
+
+    if (((uintptr_t) c > (uintptr_t) m &&
+         (uintptr_t) c - (uintptr_t) m < mlen) ||
+        ((uintptr_t) m > (uintptr_t) c &&
+         (uintptr_t) m - (uintptr_t) c < mlen)) { /* LCOV_EXCL_LINE */
+        memmove(c, m, mlen);
+        m = c;
+    }
+    memset(block0, 0U, crypto_secretbox_ZEROBYTES);
+    COMPILER_ASSERT(64U >= crypto_secretbox_ZEROBYTES);
+    mlen0 = mlen;
+    if (mlen0 > 64U - crypto_secretbox_ZEROBYTES) {
+        mlen0 = 64U - crypto_secretbox_ZEROBYTES;
+    }
+    for (i = 0U; i < mlen0; i++) {
+        block0[i + crypto_secretbox_ZEROBYTES] = m[i];
+    }
+    crypto_stream_salsa20_xor(block0, block0,
+                              mlen0 + crypto_secretbox_ZEROBYTES,
+                              n + 16, subkey);
+    COMPILER_ASSERT(crypto_secretbox_ZEROBYTES >=
+                    crypto_onetimeauth_poly1305_KEYBYTES);
+    crypto_onetimeauth_poly1305_init(&state, block0);
+
+    for (i = 0U; i < mlen0; i++) {
+        c[i] = block0[crypto_secretbox_ZEROBYTES + i];
+    }
+    sodium_memzero(block0, sizeof block0);
+    if (mlen > mlen0) {
+        crypto_stream_salsa20_xor_ic(c + mlen0, m + mlen0, mlen - mlen0,
+                                     n + 16, 1U, subkey);
+    }
+    sodium_memzero(subkey, sizeof subkey);
+
+    crypto_onetimeauth_poly1305_update(&state, c, mlen);
+    crypto_onetimeauth_poly1305_final(&state, mac);
+    sodium_memzero(&state, sizeof state);
+
+    return 0;
+}
+
+int
+crypto_secretbox_easy(unsigned char *c, const unsigned char *m,
+                      unsigned long long mlen, const unsigned char *n,
+                      const unsigned char *k)
+{
+    if (mlen > crypto_secretbox_MESSAGEBYTES_MAX) {
+        sodium_misuse();
+    }
+    return crypto_secretbox_detached(c + crypto_secretbox_MACBYTES,
+                                     c, m, mlen, n, k);
+}
+
+int
+crypto_secretbox_open_detached(unsigned char *m, const unsigned char *c,
+                               const unsigned char *mac,
+                               unsigned long long clen,
+                               const unsigned char *n,
+                               const unsigned char *k)
+{
+    unsigned char      block0[64U];
+    unsigned char      subkey[crypto_stream_salsa20_KEYBYTES];
+    unsigned long long i;
+    unsigned long long mlen0;
+
+    crypto_core_hsalsa20(subkey, n, k, NULL);
+    crypto_stream_salsa20(block0, crypto_stream_salsa20_KEYBYTES,
+                          n + 16, subkey);
+    if (crypto_onetimeauth_poly1305_verify(mac, c, clen, block0) != 0) {
+        sodium_memzero(subkey, sizeof subkey);
+        return -1;
+    }
+    if (m == NULL) {
+        return 0;
+    }
+    if (((uintptr_t) c >= (uintptr_t) m &&
+         (uintptr_t) c - (uintptr_t) m < clen) ||
+        ((uintptr_t) m >= (uintptr_t) c &&
+         (uintptr_t) m - (uintptr_t) c < clen)) { /* LCOV_EXCL_LINE */
+        memmove(m, c, clen);
+        c = m;
+    }
+    mlen0 = clen;
+    if (mlen0 > 64U - crypto_secretbox_ZEROBYTES) {
+        mlen0 = 64U - crypto_secretbox_ZEROBYTES;
+    }
+    for (i = 0U; i < mlen0; i++) {
+        block0[crypto_secretbox_ZEROBYTES + i] = c[i];
+    }
+    crypto_stream_salsa20_xor(block0, block0,
+                              crypto_secretbox_ZEROBYTES + mlen0,
+                              n + 16, subkey);
+    for (i = 0U; i < mlen0; i++) {
+        m[i] = block0[i + crypto_secretbox_ZEROBYTES];
+    }
+    if (clen > mlen0) {
+        crypto_stream_salsa20_xor_ic(m + mlen0, c + mlen0, clen - mlen0,
+                                     n + 16, 1U, subkey);
+    }
+    sodium_memzero(subkey, sizeof subkey);
+
+    return 0;
+}
+
+int
+crypto_secretbox_open_easy(unsigned char *m, const unsigned char *c,
+                           unsigned long long clen, const unsigned char *n,
+                           const unsigned char *k)
+{
+    if (clen < crypto_secretbox_MACBYTES) {
+        return -1;
+    }
+    return crypto_secretbox_open_detached(m, c + crypto_secretbox_MACBYTES, c,
+                                          clen - crypto_secretbox_MACBYTES,
+                                          n, k);
+}
diff --git a/libs/libsodium/src/crypto_secretbox/xchacha20poly1305/secretbox_xchacha20poly1305.c b/libs/libsodium/src/crypto_secretbox/xchacha20poly1305/secretbox_xchacha20poly1305.c
new file mode 100644
index 0000000000..e76167d2ee
--- /dev/null
+++ b/libs/libsodium/src/crypto_secretbox/xchacha20poly1305/secretbox_xchacha20poly1305.c
@@ -0,0 +1,177 @@
+
+#include <assert.h>
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "core.h"
+#include "crypto_core_hchacha20.h"
+#include "crypto_onetimeauth_poly1305.h"
+#include "crypto_secretbox_xchacha20poly1305.h"
+#include "crypto_stream_chacha20.h"
+#include "private/common.h"
+#include "utils.h"
+
+#define crypto_secretbox_xchacha20poly1305_ZEROBYTES 32U
+
+int
+crypto_secretbox_xchacha20poly1305_detached(unsigned char *c,
+                                            unsigned char *mac,
+                                            const unsigned char *m,
+                                            unsigned long long mlen,
+                                            const unsigned char *n,
+                                            const unsigned char *k)
+{
+    crypto_onetimeauth_poly1305_state state;
+    unsigned char                     block0[64U];
+    unsigned char                     subkey[crypto_stream_chacha20_KEYBYTES];
+    unsigned long long                i;
+    unsigned long long                mlen0;
+
+    crypto_core_hchacha20(subkey, n, k, NULL);
+
+    if (((uintptr_t) c > (uintptr_t) m &&
+         (uintptr_t) c - (uintptr_t) m < mlen) ||
+        ((uintptr_t) m > (uintptr_t) c &&
+         (uintptr_t) m - (uintptr_t) c < mlen)) { /* LCOV_EXCL_LINE */
+        memmove(c, m, mlen);
+        m = c;
+    }
+    memset(block0, 0U, crypto_secretbox_xchacha20poly1305_ZEROBYTES);
+    COMPILER_ASSERT(64U >= crypto_secretbox_xchacha20poly1305_ZEROBYTES);
+    mlen0 = mlen;
+    if (mlen0 > 64U - crypto_secretbox_xchacha20poly1305_ZEROBYTES) {
+        mlen0 = 64U - crypto_secretbox_xchacha20poly1305_ZEROBYTES;
+    }
+    for (i = 0U; i < mlen0; i++) {
+        block0[i + crypto_secretbox_xchacha20poly1305_ZEROBYTES] = m[i];
+    }
+    crypto_stream_chacha20_xor(block0, block0,
+                               mlen0 + crypto_secretbox_xchacha20poly1305_ZEROBYTES,
+                               n + 16, subkey);
+    COMPILER_ASSERT(crypto_secretbox_xchacha20poly1305_ZEROBYTES >=
+                    crypto_onetimeauth_poly1305_KEYBYTES);
+    crypto_onetimeauth_poly1305_init(&state, block0);
+
+    for (i = 0U; i < mlen0; i++) {
+        c[i] = block0[crypto_secretbox_xchacha20poly1305_ZEROBYTES + i];
+    }
+    sodium_memzero(block0, sizeof block0);
+    if (mlen > mlen0) {
+        crypto_stream_chacha20_xor_ic(c + mlen0, m + mlen0, mlen - mlen0,
+                                      n + 16, 1U, subkey);
+    }
+    sodium_memzero(subkey, sizeof subkey);
+
+    crypto_onetimeauth_poly1305_update(&state, c, mlen);
+    crypto_onetimeauth_poly1305_final(&state, mac);
+    sodium_memzero(&state, sizeof state);
+
+    return 0;
+}
+
+int
+crypto_secretbox_xchacha20poly1305_easy(unsigned char *c,
+                                        const unsigned char *m,
+                                        unsigned long long mlen,
+                                        const unsigned char *n,
+                                        const unsigned char *k)
+{
+    if (mlen > crypto_secretbox_xchacha20poly1305_MESSAGEBYTES_MAX) {
+        sodium_misuse();
+    }
+    return crypto_secretbox_xchacha20poly1305_detached
+        (c + crypto_secretbox_xchacha20poly1305_MACBYTES, c, m, mlen, n, k);
+}
+
+int
+crypto_secretbox_xchacha20poly1305_open_detached(unsigned char *m,
+                                                 const unsigned char *c,
+                                                 const unsigned char *mac,
+                                                 unsigned long long clen,
+                                                 const unsigned char *n,
+                                                 const unsigned char *k)
+{
+    unsigned char      block0[64U];
+    unsigned char      subkey[crypto_stream_chacha20_KEYBYTES];
+    unsigned long long i;
+    unsigned long long mlen0;
+
+    crypto_core_hchacha20(subkey, n, k, NULL);
+    crypto_stream_chacha20(block0, crypto_stream_chacha20_KEYBYTES,
+                           n + 16, subkey);
+    if (crypto_onetimeauth_poly1305_verify(mac, c, clen, block0) != 0) {
+        sodium_memzero(subkey, sizeof subkey);
+        return -1;
+    }
+    if (m == NULL) {
+        return 0;
+    }
+    if (((uintptr_t) c >= (uintptr_t) m &&
+         (uintptr_t) c - (uintptr_t) m < clen) ||
+        ((uintptr_t) m >= (uintptr_t) c &&
+         (uintptr_t) m - (uintptr_t) c < clen)) { /* LCOV_EXCL_LINE */
+        memmove(m, c, clen);
+        c = m;
+    }
+    mlen0 = clen;
+    if (mlen0 > 64U - crypto_secretbox_xchacha20poly1305_ZEROBYTES) {
+        mlen0 = 64U - crypto_secretbox_xchacha20poly1305_ZEROBYTES;
+    }
+    for (i = 0U; i < mlen0; i++) {
+        block0[crypto_secretbox_xchacha20poly1305_ZEROBYTES + i] = c[i];
+    }
+    crypto_stream_chacha20_xor(block0, block0,
+                              crypto_secretbox_xchacha20poly1305_ZEROBYTES + mlen0,
+                              n + 16, subkey);
+    for (i = 0U; i < mlen0; i++) {
+        m[i] = block0[i + crypto_secretbox_xchacha20poly1305_ZEROBYTES];
+    }
+    if (clen > mlen0) {
+        crypto_stream_chacha20_xor_ic(m + mlen0, c + mlen0, clen - mlen0,
+                                      n + 16, 1U, subkey);
+    }
+    sodium_memzero(subkey, sizeof subkey);
+
+    return 0;
+}
+
+int
+crypto_secretbox_xchacha20poly1305_open_easy(unsigned char *m,
+                                             const unsigned char *c,
+                                             unsigned long long clen,
+                                             const unsigned char *n,
+                                             const unsigned char *k)
+{
+    if (clen < crypto_secretbox_xchacha20poly1305_MACBYTES) {
+        return -1;
+    }
+    return crypto_secretbox_xchacha20poly1305_open_detached
+        (m, c + crypto_secretbox_xchacha20poly1305_MACBYTES, c,
+         clen - crypto_secretbox_xchacha20poly1305_MACBYTES, n, k);
+}
+
+size_t
+crypto_secretbox_xchacha20poly1305_keybytes(void)
+{
+    return crypto_secretbox_xchacha20poly1305_KEYBYTES;
+}
+
+size_t
+crypto_secretbox_xchacha20poly1305_noncebytes(void)
+{
+    return crypto_secretbox_xchacha20poly1305_NONCEBYTES;
+}
+
+size_t
+crypto_secretbox_xchacha20poly1305_macbytes(void)
+{
+    return crypto_secretbox_xchacha20poly1305_MACBYTES;
+}
+
+size_t
+crypto_secretbox_xchacha20poly1305_messagebytes_max(void)
+{
+    return crypto_secretbox_xchacha20poly1305_MESSAGEBYTES_MAX;
+}
diff --git a/libs/libsodium/src/crypto_secretbox/xsalsa20poly1305/secretbox_xsalsa20poly1305.c b/libs/libsodium/src/crypto_secretbox/xsalsa20poly1305/secretbox_xsalsa20poly1305.c
new file mode 100644
index 0000000000..7240050dfd
--- /dev/null
+++ b/libs/libsodium/src/crypto_secretbox/xsalsa20poly1305/secretbox_xsalsa20poly1305.c
@@ -0,0 +1,89 @@
+#include "crypto_onetimeauth_poly1305.h"
+#include "crypto_secretbox_xsalsa20poly1305.h"
+#include "crypto_stream_xsalsa20.h"
+#include "randombytes.h"
+
+int
+crypto_secretbox_xsalsa20poly1305(unsigned char *c, const unsigned char *m,
+                                  unsigned long long mlen,
+                                  const unsigned char *n,
+                                  const unsigned char *k)
+{
+    int i;
+
+    if (mlen < 32) {
+        return -1;
+    }
+    crypto_stream_xsalsa20_xor(c, m, mlen, n, k);
+    crypto_onetimeauth_poly1305(c + 16, c + 32, mlen - 32, c);
+    for (i = 0; i < 16; ++i) {
+        c[i] = 0;
+    }
+    return 0;
+}
+
+int
+crypto_secretbox_xsalsa20poly1305_open(unsigned char *m, const unsigned char *c,
+                                       unsigned long long clen,
+                                       const unsigned char *n,
+                                       const unsigned char *k)
+{
+    unsigned char subkey[32];
+    int           i;
+
+    if (clen < 32) {
+        return -1;
+    }
+    crypto_stream_xsalsa20(subkey, 32, n, k);
+    if (crypto_onetimeauth_poly1305_verify(c + 16, c + 32,
+                                           clen - 32, subkey) != 0) {
+        return -1;
+    }
+    crypto_stream_xsalsa20_xor(m, c, clen, n, k);
+    for (i = 0; i < 32; ++i) {
+        m[i] = 0;
+    }
+    return 0;
+}
+
+size_t
+crypto_secretbox_xsalsa20poly1305_keybytes(void)
+{
+    return crypto_secretbox_xsalsa20poly1305_KEYBYTES;
+}
+
+size_t
+crypto_secretbox_xsalsa20poly1305_noncebytes(void)
+{
+    return crypto_secretbox_xsalsa20poly1305_NONCEBYTES;
+}
+
+size_t
+crypto_secretbox_xsalsa20poly1305_zerobytes(void)
+{
+    return crypto_secretbox_xsalsa20poly1305_ZEROBYTES;
+}
+
+size_t
+crypto_secretbox_xsalsa20poly1305_boxzerobytes(void)
+{
+    return crypto_secretbox_xsalsa20poly1305_BOXZEROBYTES;
+}
+
+size_t
+crypto_secretbox_xsalsa20poly1305_macbytes(void)
+{
+    return crypto_secretbox_xsalsa20poly1305_MACBYTES;
+}
+
+size_t
+crypto_secretbox_xsalsa20poly1305_messagebytes_max(void)
+{
+    return crypto_secretbox_xsalsa20poly1305_MESSAGEBYTES_MAX;
+}
+
+void
+crypto_secretbox_xsalsa20poly1305_keygen(unsigned char k[crypto_secretbox_xsalsa20poly1305_KEYBYTES])
+{
+    randombytes_buf(k, crypto_secretbox_xsalsa20poly1305_KEYBYTES);
+}