preparing to build tox from sources

6 files changed, 736 insertions, 0 deletions

diff --git a/libs/libsodium/src/crypto_box/crypto_box.c b/libs/libsodium/src/crypto_box/crypto_box.c
new file mode 100644
index 0000000000..7e4f00bd15
--- /dev/null
+++ b/libs/libsodium/src/crypto_box/crypto_box.c
@@ -0,0 +1,114 @@
+
+#include "crypto_box.h"
+
+size_t
+crypto_box_seedbytes(void)
+{
+    return crypto_box_SEEDBYTES;
+}
+
+size_t
+crypto_box_publickeybytes(void)
+{
+    return crypto_box_PUBLICKEYBYTES;
+}
+
+size_t
+crypto_box_secretkeybytes(void)
+{
+    return crypto_box_SECRETKEYBYTES;
+}
+
+size_t
+crypto_box_beforenmbytes(void)
+{
+    return crypto_box_BEFORENMBYTES;
+}
+
+size_t
+crypto_box_noncebytes(void)
+{
+    return crypto_box_NONCEBYTES;
+}
+
+size_t
+crypto_box_zerobytes(void)
+{
+    return crypto_box_ZEROBYTES;
+}
+
+size_t
+crypto_box_boxzerobytes(void)
+{
+    return crypto_box_BOXZEROBYTES;
+}
+
+size_t
+crypto_box_macbytes(void)
+{
+    return crypto_box_MACBYTES;
+}
+
+size_t
+crypto_box_messagebytes_max(void)
+{
+    return crypto_box_MESSAGEBYTES_MAX;
+}
+
+const char *
+crypto_box_primitive(void)
+{
+    return crypto_box_PRIMITIVE;
+}
+
+int
+crypto_box_seed_keypair(unsigned char *pk, unsigned char *sk,
+                        const unsigned char *seed)
+{
+    return crypto_box_curve25519xsalsa20poly1305_seed_keypair(pk, sk, seed);
+}
+
+int
+crypto_box_keypair(unsigned char *pk, unsigned char *sk)
+{
+    return crypto_box_curve25519xsalsa20poly1305_keypair(pk, sk);
+}
+
+int
+crypto_box_beforenm(unsigned char *k, const unsigned char *pk,
+                    const unsigned char *sk)
+{
+    return crypto_box_curve25519xsalsa20poly1305_beforenm(k, pk, sk);
+}
+
+int
+crypto_box_afternm(unsigned char *c, const unsigned char *m,
+                   unsigned long long mlen, const unsigned char *n,
+                   const unsigned char *k)
+{
+    return crypto_box_curve25519xsalsa20poly1305_afternm(c, m, mlen, n, k);
+}
+
+int
+crypto_box_open_afternm(unsigned char *m, const unsigned char *c,
+                        unsigned long long clen, const unsigned char *n,
+                        const unsigned char *k)
+{
+    return crypto_box_curve25519xsalsa20poly1305_open_afternm(m, c, clen, n, k);
+}
+
+int
+crypto_box(unsigned char *c, const unsigned char *m,
+           unsigned long long mlen, const unsigned char *n,
+           const unsigned char *pk, const unsigned char *sk)
+{
+    return crypto_box_curve25519xsalsa20poly1305(c, m, mlen, n, pk, sk);
+}
+
+int
+crypto_box_open(unsigned char *m, const unsigned char *c,
+                unsigned long long clen, const unsigned char *n,
+                const unsigned char *pk, const unsigned char *sk)
+{
+    return crypto_box_curve25519xsalsa20poly1305_open(m, c, clen, n, pk, sk);
+}
diff --git a/libs/libsodium/src/crypto_box/crypto_box_easy.c b/libs/libsodium/src/crypto_box/crypto_box_easy.c
new file mode 100644
index 0000000000..deb40b4083
--- /dev/null
+++ b/libs/libsodium/src/crypto_box/crypto_box_easy.c
@@ -0,0 +1,115 @@
+
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+#include "core.h"
+#include "crypto_box.h"
+#include "crypto_secretbox.h"
+#include "private/common.h"
+#include "utils.h"
+
+int
+crypto_box_detached_afternm(unsigned char *c, unsigned char *mac,
+                            const unsigned char *m, unsigned long long mlen,
+                            const unsigned char *n, const unsigned char *k)
+{
+    return crypto_secretbox_detached(c, mac, m, mlen, n, k);
+}
+
+int
+crypto_box_detached(unsigned char *c, unsigned char *mac,
+                    const unsigned char *m, unsigned long long mlen,
+                    const unsigned char *n, const unsigned char *pk,
+                    const unsigned char *sk)
+{
+    unsigned char k[crypto_box_BEFORENMBYTES];
+    int           ret;
+
+    COMPILER_ASSERT(crypto_box_BEFORENMBYTES >= crypto_secretbox_KEYBYTES);
+    if (crypto_box_beforenm(k, pk, sk) != 0) {
+        return -1;
+    }
+    ret = crypto_box_detached_afternm(c, mac, m, mlen, n, k);
+    sodium_memzero(k, sizeof k);
+
+    return ret;
+}
+
+int
+crypto_box_easy_afternm(unsigned char *c, const unsigned char *m,
+                        unsigned long long mlen, const unsigned char *n,
+                        const unsigned char *k)
+{
+    if (mlen > crypto_box_MESSAGEBYTES_MAX) {
+        sodium_misuse();
+    }
+    return crypto_box_detached_afternm(c + crypto_box_MACBYTES, c, m, mlen, n,
+                                       k);
+}
+
+int
+crypto_box_easy(unsigned char *c, const unsigned char *m,
+                unsigned long long mlen, const unsigned char *n,
+                const unsigned char *pk, const unsigned char *sk)
+{
+    if (mlen > crypto_box_MESSAGEBYTES_MAX) {
+        sodium_misuse();
+    }
+    return crypto_box_detached(c + crypto_box_MACBYTES, c, m, mlen, n,
+                               pk, sk);
+}
+
+int
+crypto_box_open_detached_afternm(unsigned char *m, const unsigned char *c,
+                                 const unsigned char *mac,
+                                 unsigned long long clen,
+                                 const unsigned char *n,
+                                 const unsigned char *k)
+{
+    return crypto_secretbox_open_detached(m, c, mac, clen, n, k);
+}
+
+int
+crypto_box_open_detached(unsigned char *m, const unsigned char *c,
+                         const unsigned char *mac,
+                         unsigned long long clen, const unsigned char *n,
+                         const unsigned char *pk, const unsigned char *sk)
+{
+    unsigned char k[crypto_box_BEFORENMBYTES];
+    int           ret;
+
+    if (crypto_box_beforenm(k, pk, sk) != 0) {
+        return -1;
+    }
+    ret = crypto_box_open_detached_afternm(m, c, mac, clen, n, k);
+    sodium_memzero(k, sizeof k);
+
+    return ret;
+}
+
+int
+crypto_box_open_easy_afternm(unsigned char *m, const unsigned char *c,
+                             unsigned long long clen, const unsigned char *n,
+                             const unsigned char *k)
+{
+    if (clen < crypto_box_MACBYTES) {
+        return -1;
+    }
+    return crypto_box_open_detached_afternm(m, c + crypto_box_MACBYTES, c,
+                                            clen - crypto_box_MACBYTES,
+                                            n, k);
+}
+
+int
+crypto_box_open_easy(unsigned char *m, const unsigned char *c,
+                     unsigned long long clen, const unsigned char *n,
+                     const unsigned char *pk, const unsigned char *sk)
+{
+    if (clen < crypto_box_MACBYTES) {
+        return -1;
+    }
+    return crypto_box_open_detached(m, c + crypto_box_MACBYTES, c,
+                                    clen - crypto_box_MACBYTES,
+                                    n, pk, sk);
+}
diff --git a/libs/libsodium/src/crypto_box/crypto_box_seal.c b/libs/libsodium/src/crypto_box/crypto_box_seal.c
new file mode 100644
index 0000000000..7181334578
--- /dev/null
+++ b/libs/libsodium/src/crypto_box/crypto_box_seal.c
@@ -0,0 +1,68 @@
+
+#include <string.h>
+
+#include "crypto_box.h"
+#include "crypto_generichash.h"
+#include "private/common.h"
+#include "utils.h"
+
+static int
+_crypto_box_seal_nonce(unsigned char *nonce,
+                       const unsigned char *pk1, const unsigned char *pk2)
+{
+    crypto_generichash_state st;
+
+    crypto_generichash_init(&st, NULL, 0U, crypto_box_NONCEBYTES);
+    crypto_generichash_update(&st, pk1, crypto_box_PUBLICKEYBYTES);
+    crypto_generichash_update(&st, pk2, crypto_box_PUBLICKEYBYTES);
+    crypto_generichash_final(&st, nonce, crypto_box_NONCEBYTES);
+
+    return 0;
+}
+
+int
+crypto_box_seal(unsigned char *c, const unsigned char *m,
+                unsigned long long mlen, const unsigned char *pk)
+{
+    unsigned char nonce[crypto_box_NONCEBYTES];
+    unsigned char epk[crypto_box_PUBLICKEYBYTES];
+    unsigned char esk[crypto_box_SECRETKEYBYTES];
+    int           ret;
+
+    if (crypto_box_keypair(epk, esk) != 0) {
+        return -1; /* LCOV_EXCL_LINE */
+    }
+    memcpy(c, epk, crypto_box_PUBLICKEYBYTES);
+    _crypto_box_seal_nonce(nonce, epk, pk);
+    ret = crypto_box_easy(c + crypto_box_PUBLICKEYBYTES, m, mlen,
+                          nonce, pk, esk);
+    sodium_memzero(esk, sizeof esk);
+    sodium_memzero(epk, sizeof epk);
+    sodium_memzero(nonce, sizeof nonce);
+
+    return ret;
+}
+
+int
+crypto_box_seal_open(unsigned char *m, const unsigned char *c,
+                     unsigned long long clen,
+                     const unsigned char *pk, const unsigned char *sk)
+{
+    unsigned char nonce[crypto_box_NONCEBYTES];
+
+    if (clen < crypto_box_SEALBYTES) {
+        return -1;
+    }
+    _crypto_box_seal_nonce(nonce, c, pk);
+
+    COMPILER_ASSERT(crypto_box_PUBLICKEYBYTES < crypto_box_SEALBYTES);
+    return crypto_box_open_easy(m, c + crypto_box_PUBLICKEYBYTES,
+                                clen - crypto_box_PUBLICKEYBYTES,
+                                nonce, c, sk);
+}
+
+size_t
+crypto_box_sealbytes(void)
+{
+    return crypto_box_SEALBYTES;
+}
diff --git a/libs/libsodium/src/crypto_box/curve25519xchacha20poly1305/box_curve25519xchacha20poly1305.c b/libs/libsodium/src/crypto_box/curve25519xchacha20poly1305/box_curve25519xchacha20poly1305.c
new file mode 100644
index 0000000000..5e2532eab7
--- /dev/null
+++ b/libs/libsodium/src/crypto_box/curve25519xchacha20poly1305/box_curve25519xchacha20poly1305.c
@@ -0,0 +1,204 @@
+
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "core.h"
+#include "crypto_box_curve25519xchacha20poly1305.h"
+#include "crypto_core_hchacha20.h"
+#include "crypto_hash_sha512.h"
+#include "crypto_scalarmult_curve25519.h"
+#include "crypto_secretbox_xchacha20poly1305.h"
+#include "private/common.h"
+#include "randombytes.h"
+#include "utils.h"
+
+int
+crypto_box_curve25519xchacha20poly1305_seed_keypair(unsigned char *pk,
+                                                    unsigned char *sk,
+                                                    const unsigned char *seed)
+{
+    unsigned char hash[64];
+
+    crypto_hash_sha512(hash, seed, 32);
+    memcpy(sk, hash, 32);
+    sodium_memzero(hash, sizeof hash);
+
+    return crypto_scalarmult_curve25519_base(pk, sk);
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_keypair(unsigned char *pk,
+                                               unsigned char *sk)
+{
+    randombytes_buf(sk, 32);
+
+    return crypto_scalarmult_curve25519_base(pk, sk);
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_beforenm(unsigned char *k,
+                                                const unsigned char *pk,
+                                                const unsigned char *sk)
+{
+    static const unsigned char zero[16] = { 0 };
+    unsigned char s[32];
+
+    if (crypto_scalarmult_curve25519(s, sk, pk) != 0) {
+        return -1;
+    }
+    return crypto_core_hchacha20(k, zero, s, NULL);
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_detached_afternm(
+    unsigned char *c, unsigned char *mac, const unsigned char *m,
+    unsigned long long mlen, const unsigned char *n, const unsigned char *k)
+{
+    return crypto_secretbox_xchacha20poly1305_detached(c, mac, m, mlen, n, k);
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_detached(
+    unsigned char *c, unsigned char *mac, const unsigned char *m,
+    unsigned long long mlen, const unsigned char *n, const unsigned char *pk,
+    const unsigned char *sk)
+{
+    unsigned char k[crypto_box_curve25519xchacha20poly1305_BEFORENMBYTES];
+    int           ret;
+
+    COMPILER_ASSERT(crypto_box_curve25519xchacha20poly1305_BEFORENMBYTES >=
+                    crypto_secretbox_xchacha20poly1305_KEYBYTES);
+    if (crypto_box_curve25519xchacha20poly1305_beforenm(k, pk, sk) != 0) {
+        return -1;
+    }
+    ret = crypto_box_curve25519xchacha20poly1305_detached_afternm(c, mac, m,
+                                                                  mlen, n, k);
+    sodium_memzero(k, sizeof k);
+
+    return ret;
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_easy_afternm(unsigned char *c,
+                                                    const unsigned char *m,
+                                                    unsigned long long mlen,
+                                                    const unsigned char *n,
+                                                    const unsigned char *k)
+{
+    if (mlen > crypto_box_curve25519xchacha20poly1305_MESSAGEBYTES_MAX) {
+        sodium_misuse();
+    }
+    return crypto_box_curve25519xchacha20poly1305_detached_afternm(
+        c + crypto_box_curve25519xchacha20poly1305_MACBYTES, c, m, mlen, n, k);
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_easy(
+    unsigned char *c, const unsigned char *m, unsigned long long mlen,
+    const unsigned char *n, const unsigned char *pk, const unsigned char *sk)
+{
+    if (mlen > crypto_box_curve25519xchacha20poly1305_MESSAGEBYTES_MAX) {
+        sodium_misuse();
+    }
+    return crypto_box_curve25519xchacha20poly1305_detached(
+        c + crypto_box_curve25519xchacha20poly1305_MACBYTES, c, m, mlen, n, pk,
+        sk);
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_open_detached_afternm(
+    unsigned char *m, const unsigned char *c, const unsigned char *mac,
+    unsigned long long clen, const unsigned char *n, const unsigned char *k)
+{
+    return crypto_secretbox_xchacha20poly1305_open_detached(m, c, mac, clen, n,
+                                                            k);
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_open_detached(
+    unsigned char *m, const unsigned char *c, const unsigned char *mac,
+    unsigned long long clen, const unsigned char *n, const unsigned char *pk,
+    const unsigned char *sk)
+{
+    unsigned char k[crypto_box_curve25519xchacha20poly1305_BEFORENMBYTES];
+    int           ret;
+
+    if (crypto_box_curve25519xchacha20poly1305_beforenm(k, pk, sk) != 0) {
+        return -1;
+    }
+    ret = crypto_box_curve25519xchacha20poly1305_open_detached_afternm(
+        m, c, mac, clen, n, k);
+    sodium_memzero(k, sizeof k);
+
+    return ret;
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_open_easy_afternm(
+    unsigned char *m, const unsigned char *c, unsigned long long clen,
+    const unsigned char *n, const unsigned char *k)
+{
+    if (clen < crypto_box_curve25519xchacha20poly1305_MACBYTES) {
+        return -1;
+    }
+    return crypto_box_curve25519xchacha20poly1305_open_detached_afternm(
+        m, c + crypto_box_curve25519xchacha20poly1305_MACBYTES, c,
+        clen - crypto_box_curve25519xchacha20poly1305_MACBYTES, n, k);
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_open_easy(
+    unsigned char *m, const unsigned char *c, unsigned long long clen,
+    const unsigned char *n, const unsigned char *pk, const unsigned char *sk)
+{
+    if (clen < crypto_box_curve25519xchacha20poly1305_MACBYTES) {
+        return -1;
+    }
+    return crypto_box_curve25519xchacha20poly1305_open_detached(
+        m, c + crypto_box_curve25519xchacha20poly1305_MACBYTES, c,
+        clen - crypto_box_curve25519xchacha20poly1305_MACBYTES, n, pk, sk);
+}
+
+size_t
+crypto_box_curve25519xchacha20poly1305_seedbytes(void)
+{
+    return crypto_box_curve25519xchacha20poly1305_SEEDBYTES;
+}
+
+size_t
+crypto_box_curve25519xchacha20poly1305_publickeybytes(void)
+{
+    return crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES;
+}
+
+size_t
+crypto_box_curve25519xchacha20poly1305_secretkeybytes(void)
+{
+    return crypto_box_curve25519xchacha20poly1305_SECRETKEYBYTES;
+}
+
+size_t
+crypto_box_curve25519xchacha20poly1305_beforenmbytes(void)
+{
+    return crypto_box_curve25519xchacha20poly1305_BEFORENMBYTES;
+}
+
+size_t
+crypto_box_curve25519xchacha20poly1305_noncebytes(void)
+{
+    return crypto_box_curve25519xchacha20poly1305_NONCEBYTES;
+}
+
+size_t
+crypto_box_curve25519xchacha20poly1305_macbytes(void)
+{
+    return crypto_box_curve25519xchacha20poly1305_MACBYTES;
+}
+
+size_t
+crypto_box_curve25519xchacha20poly1305_messagebytes_max(void)
+{
+    return crypto_box_curve25519xchacha20poly1305_MESSAGEBYTES_MAX;
+}
diff --git a/libs/libsodium/src/crypto_box/curve25519xchacha20poly1305/box_seal_curve25519xchacha20poly1305.c b/libs/libsodium/src/crypto_box/curve25519xchacha20poly1305/box_seal_curve25519xchacha20poly1305.c
new file mode 100644
index 0000000000..9e73a265aa
--- /dev/null
+++ b/libs/libsodium/src/crypto_box/curve25519xchacha20poly1305/box_seal_curve25519xchacha20poly1305.c
@@ -0,0 +1,79 @@
+
+#include <string.h>
+
+#include "crypto_box_curve25519xchacha20poly1305.h"
+#include "crypto_generichash.h"
+#include "private/common.h"
+#include "utils.h"
+
+static int
+_crypto_box_curve25519xchacha20poly1305_seal_nonce(unsigned char *nonce,
+                                                   const unsigned char *pk1,
+                                                   const unsigned char *pk2)
+{
+    crypto_generichash_state st;
+
+    crypto_generichash_init(&st, NULL, 0U,
+                            crypto_box_curve25519xchacha20poly1305_NONCEBYTES);
+    crypto_generichash_update(&st, pk1,
+                              crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES);
+    crypto_generichash_update(&st, pk2,
+                              crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES);
+    crypto_generichash_final(&st, nonce,
+                             crypto_box_curve25519xchacha20poly1305_NONCEBYTES);
+
+    return 0;
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_seal(unsigned char *c, const unsigned char *m,
+                                            unsigned long long mlen,
+                                            const unsigned char *pk)
+{
+    unsigned char nonce[crypto_box_curve25519xchacha20poly1305_NONCEBYTES];
+    unsigned char epk[crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES];
+    unsigned char esk[crypto_box_curve25519xchacha20poly1305_SECRETKEYBYTES];
+    int           ret;
+
+    if (crypto_box_curve25519xchacha20poly1305_keypair(epk, esk) != 0) {
+        return -1; /* LCOV_EXCL_LINE */
+    }
+    memcpy(c, epk, crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES);
+    _crypto_box_curve25519xchacha20poly1305_seal_nonce(nonce, epk, pk);
+    ret = crypto_box_curve25519xchacha20poly1305_easy(
+         c + crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES, m, mlen,
+         nonce, pk, esk);
+    sodium_memzero(esk, sizeof esk);
+    sodium_memzero(epk, sizeof epk);
+    sodium_memzero(nonce, sizeof nonce);
+
+    return ret;
+}
+
+int
+crypto_box_curve25519xchacha20poly1305_seal_open(unsigned char *m, const unsigned char *c,
+                                                 unsigned long long clen,
+                                                 const unsigned char *pk,
+                                                 const unsigned char *sk)
+{
+    unsigned char nonce[crypto_box_curve25519xchacha20poly1305_NONCEBYTES];
+
+    if (clen < crypto_box_curve25519xchacha20poly1305_SEALBYTES) {
+        return -1;
+    }
+    _crypto_box_curve25519xchacha20poly1305_seal_nonce(nonce, c, pk);
+
+    COMPILER_ASSERT(crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES <
+                    crypto_box_curve25519xchacha20poly1305_SEALBYTES);
+
+    return crypto_box_curve25519xchacha20poly1305_open_easy(
+         m, c + crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES,
+         clen - crypto_box_curve25519xchacha20poly1305_PUBLICKEYBYTES,
+         nonce, c, sk);
+}
+
+size_t
+crypto_box_curve25519xchacha20poly1305_sealbytes(void)
+{
+    return crypto_box_curve25519xchacha20poly1305_SEALBYTES;
+}
diff --git a/libs/libsodium/src/crypto_box/curve25519xsalsa20poly1305/box_curve25519xsalsa20poly1305.c b/libs/libsodium/src/crypto_box/curve25519xsalsa20poly1305/box_curve25519xsalsa20poly1305.c
new file mode 100644
index 0000000000..4c1d62ed43
--- /dev/null
+++ b/libs/libsodium/src/crypto_box/curve25519xsalsa20poly1305/box_curve25519xsalsa20poly1305.c
@@ -0,0 +1,156 @@
+#include <string.h>
+
+#include "crypto_box_curve25519xsalsa20poly1305.h"
+#include "crypto_core_hsalsa20.h"
+#include "crypto_hash_sha512.h"
+#include "crypto_scalarmult_curve25519.h"
+#include "crypto_secretbox_xsalsa20poly1305.h"
+#include "randombytes.h"
+#include "utils.h"
+
+int
+crypto_box_curve25519xsalsa20poly1305_seed_keypair(unsigned char *pk,
+                                                   unsigned char *sk,
+                                                   const unsigned char *seed)
+{
+    unsigned char hash[64];
+
+    crypto_hash_sha512(hash, seed, 32);
+    memcpy(sk, hash, 32);
+    sodium_memzero(hash, sizeof hash);
+
+    return crypto_scalarmult_curve25519_base(pk, sk);
+}
+
+int
+crypto_box_curve25519xsalsa20poly1305_keypair(unsigned char *pk,
+                                              unsigned char *sk)
+{
+    randombytes_buf(sk, 32);
+
+    return crypto_scalarmult_curve25519_base(pk, sk);
+}
+
+int
+crypto_box_curve25519xsalsa20poly1305_beforenm(unsigned char *k,
+                                               const unsigned char *pk,
+                                               const unsigned char *sk)
+{
+    static const unsigned char zero[16] = { 0 };
+    unsigned char s[32];
+
+    if (crypto_scalarmult_curve25519(s, sk, pk) != 0) {
+        return -1;
+    }
+    return crypto_core_hsalsa20(k, zero, s, NULL);
+}
+
+int
+crypto_box_curve25519xsalsa20poly1305_afternm(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_box_curve25519xsalsa20poly1305_open_afternm(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);
+}
+
+int
+crypto_box_curve25519xsalsa20poly1305(unsigned char *c, const unsigned char *m,
+                                      unsigned long long   mlen,
+                                      const unsigned char *n,
+                                      const unsigned char *pk,
+                                      const unsigned char *sk)
+{
+    unsigned char k[crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES];
+    int           ret;
+
+    if (crypto_box_curve25519xsalsa20poly1305_beforenm(k, pk, sk) != 0) {
+        return -1;
+    }
+    ret = crypto_box_curve25519xsalsa20poly1305_afternm(c, m, mlen, n, k);
+    sodium_memzero(k, sizeof k);
+
+    return ret;
+}
+
+int
+crypto_box_curve25519xsalsa20poly1305_open(
+    unsigned char *m, const unsigned char *c, unsigned long long clen,
+    const unsigned char *n, const unsigned char *pk, const unsigned char *sk)
+{
+    unsigned char k[crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES];
+    int           ret;
+
+    if (crypto_box_curve25519xsalsa20poly1305_beforenm(k, pk, sk) != 0) {
+        return -1;
+    }
+    ret = crypto_box_curve25519xsalsa20poly1305_open_afternm(m, c, clen, n, k);
+    sodium_memzero(k, sizeof k);
+
+    return ret;
+}
+
+size_t
+crypto_box_curve25519xsalsa20poly1305_seedbytes(void)
+{
+    return crypto_box_curve25519xsalsa20poly1305_SEEDBYTES;
+}
+
+size_t
+crypto_box_curve25519xsalsa20poly1305_publickeybytes(void)
+{
+    return crypto_box_curve25519xsalsa20poly1305_PUBLICKEYBYTES;
+}
+
+size_t
+crypto_box_curve25519xsalsa20poly1305_secretkeybytes(void)
+{
+    return crypto_box_curve25519xsalsa20poly1305_SECRETKEYBYTES;
+}
+
+size_t
+crypto_box_curve25519xsalsa20poly1305_beforenmbytes(void)
+{
+    return crypto_box_curve25519xsalsa20poly1305_BEFORENMBYTES;
+}
+
+size_t
+crypto_box_curve25519xsalsa20poly1305_noncebytes(void)
+{
+    return crypto_box_curve25519xsalsa20poly1305_NONCEBYTES;
+}
+
+size_t
+crypto_box_curve25519xsalsa20poly1305_zerobytes(void)
+{
+    return crypto_box_curve25519xsalsa20poly1305_ZEROBYTES;
+}
+
+size_t
+crypto_box_curve25519xsalsa20poly1305_boxzerobytes(void)
+{
+    return crypto_box_curve25519xsalsa20poly1305_BOXZEROBYTES;
+}
+
+size_t
+crypto_box_curve25519xsalsa20poly1305_macbytes(void)
+{
+    return crypto_box_curve25519xsalsa20poly1305_MACBYTES;
+}
+
+size_t
+crypto_box_curve25519xsalsa20poly1305_messagebytes_max(void)
+{
+    return crypto_box_curve25519xsalsa20poly1305_MESSAGEBYTES_MAX;
+}