Rename secretbox_chacha20poly1305() -> aead_chacha20poly1305()

The tag is still at the end. This will be changed right after.

.gitignore

@@ -53,6 +53,7 @@ src/libsodium/include/sodium/version.h
 stamp-*
 test/default/*.res
 test/default/*.trs
+test/default/aead_chacha20poly1305
 test/default/auth
 test/default/auth2
 test/default/auth3
@@ -89,7 +90,6 @@ test/default/scalarmult2
 test/default/scalarmult5
 test/default/scalarmult6
 test/default/secretbox
-test/default/secretbox_chacha20poly1305
 test/default/secretbox2
 test/default/secretbox7
 test/default/secretbox8

src/libsodium/Makefile.am

@@ -2,6 +2,7 @@ lib_LTLIBRARIES = \
 	libsodium.la
 
 libsodium_la_SOURCES = \
+	crypto_aead/chacha20poly1305/aead_chacha20poly1305.c \
 	crypto_auth/crypto_auth.c \
 	crypto_auth/hmacsha256/auth_hmacsha256_api.c \
 	crypto_auth/hmacsha256/cp/api.h \
@@ -71,7 +72,6 @@ libsodium_la_SOURCES = \
 	crypto_scalarmult/curve25519/scalarmult_curve25519_api.c \
 	crypto_secretbox/crypto_secretbox.c \
 	crypto_secretbox/crypto_secretbox_easy.c \
-	crypto_secretbox/chacha20poly1305/secretbox_chacha20poly1305.c \
 	crypto_secretbox/xsalsa20poly1305/secretbox_xsalsa20poly1305_api.c \
 	crypto_secretbox/xsalsa20poly1305/ref/api.h \
 	crypto_secretbox/xsalsa20poly1305/ref/box_xsalsa20poly1305.c \

src/libsodium/crypto_aead/chacha20poly1305/aead_chacha20poly1305.c

@@ -0,0 +1,150 @@
+
+#include <limits.h>
+#include <string.h>
+
+#include "crypto_aead_chacha20poly1305.h"
+#include "crypto_onetimeauth_poly1305.h"
+#include "crypto_stream_chacha20.h"
+#include "crypto_verify_16.h"
+#include "utils.h"
+
+static inline void
+_u64_le_from_ull(unsigned char out[8U], unsigned long long x)
+{
+    out[0] = (unsigned char) (x & 0xff); x >>= 8;
+    out[1] = (unsigned char) (x & 0xff); x >>= 8;
+    out[2] = (unsigned char) (x & 0xff); x >>= 8;
+    out[3] = (unsigned char) (x & 0xff); x >>= 8;
+    out[4] = (unsigned char) (x & 0xff); x >>= 8;
+    out[5] = (unsigned char) (x & 0xff); x >>= 8;
+    out[6] = (unsigned char) (x & 0xff); x >>= 8;
+    out[7] = (unsigned char) (x & 0xff);
+}
+
+int
+crypto_aead_chacha20poly1305_encrypt(unsigned char *c,
+                                     unsigned long long *clen,
+                                     const unsigned char *m,
+                                     unsigned long long mlen,
+                                     const unsigned char *ad,
+                                     unsigned long long adlen,
+                                     const unsigned char *nsec,
+                                     const unsigned char *npub,
+                                     const unsigned char *k)
+{
+    crypto_onetimeauth_poly1305_state state;
+    unsigned char                     block0[64U];
+    unsigned char                     slen[8U];
+    
+#ifdef ULONG_LONG_MAX
+    if (mlen > ULONG_LONG_MAX - crypto_aead_chacha20poly1305_ZEROBYTES) {
+        if (clen != NULL) {
+            *clen = 0ULL;
+        }
+        return -1;
+    }
+#endif    
+    crypto_stream_chacha20_xor_ic
+        (c + crypto_aead_chacha20poly1305_ZEROBYTES, m, mlen, npub, 1U, k);
+
+    crypto_stream_chacha20(block0, sizeof block0, npub, k);
+    crypto_onetimeauth_poly1305_init(&state, block0);
+    sodium_memzero(block0, sizeof block0);
+
+    crypto_onetimeauth_poly1305_update(&state, ad, adlen);
+    _u64_le_from_ull(slen, adlen);
+    crypto_onetimeauth_poly1305_update(&state, slen, sizeof slen);
+
+    crypto_onetimeauth_poly1305_update
+        (&state, c + crypto_aead_chacha20poly1305_ZEROBYTES, mlen);
+    _u64_le_from_ull(slen, mlen);
+    crypto_onetimeauth_poly1305_update(&state, slen, sizeof slen);
+
+    crypto_onetimeauth_poly1305_final(&state, c);
+    sodium_memzero(&state, sizeof state);
+
+    if (clen != NULL) {
+        *clen = mlen + crypto_aead_chacha20poly1305_ZEROBYTES;
+    }
+    return 0;
+}
+
+int
+crypto_aead_chacha20poly1305_decrypt(unsigned char *m,
+                                     unsigned long long *mlen,
+                                     unsigned char *nsec,
+                                     const unsigned char *c,
+                                     unsigned long long clen,
+                                     const unsigned char *ad,
+                                     unsigned long long adlen,
+                                     const unsigned char *npub,
+                                     const unsigned char *k)
+{
+    crypto_onetimeauth_poly1305_state state;
+    unsigned char                     block0[64U];
+    unsigned char                     slen[8U];
+    unsigned char                     mac[crypto_aead_chacha20poly1305_MACBYTES];
+    int                               ret;
+
+    if (mlen != NULL) {
+        *mlen = 0ULL;
+    }
+    if (clen < crypto_aead_chacha20poly1305_ZEROBYTES) {
+        return -1;
+    }
+    crypto_stream_chacha20(block0, sizeof block0, npub, k);
+    crypto_onetimeauth_poly1305_init(&state, block0);
+    sodium_memzero(block0, sizeof block0);
+
+    crypto_onetimeauth_poly1305_update(&state, ad, adlen);
+    _u64_le_from_ull(slen, adlen);
+    crypto_onetimeauth_poly1305_update(&state, slen, sizeof slen);
+
+    crypto_onetimeauth_poly1305_update
+        (&state, c + crypto_aead_chacha20poly1305_ZEROBYTES,
+         clen - crypto_aead_chacha20poly1305_ZEROBYTES);
+    _u64_le_from_ull(slen, clen - crypto_aead_chacha20poly1305_ZEROBYTES);
+    crypto_onetimeauth_poly1305_update(&state, slen, sizeof slen);
+
+    crypto_onetimeauth_poly1305_final(&state, mac);
+    sodium_memzero(&state, sizeof state);
+
+    ret = crypto_verify_16(mac, c);
+    sodium_memzero(mac, sizeof mac);
+    if (ret != 0) {
+        memset(m, 0, clen - crypto_aead_chacha20poly1305_ZEROBYTES);
+        return -1;
+    }
+    crypto_stream_chacha20_xor_ic
+        (m, c + crypto_aead_chacha20poly1305_ZEROBYTES,
+         clen - crypto_aead_chacha20poly1305_ZEROBYTES, npub, 1U, k);
+    if (mlen != NULL) {
+        *mlen = clen - crypto_aead_chacha20poly1305_ZEROBYTES;
+    }
+    return 0;
+}
+
+size_t
+crypto_aead_chacha20poly1305_keybytes(void) {
+    return crypto_aead_chacha20poly1305_KEYBYTES;
+}
+
+size_t
+crypto_aead_chacha20poly1305_npubbytes(void) {
+    return crypto_aead_chacha20poly1305_NPUBBYTES;
+}
+
+size_t
+crypto_aead_chacha20poly1305_nsecbytes(void) {
+    return crypto_aead_chacha20poly1305_NSECBYTES;
+}
+
+size_t
+crypto_aead_chacha20poly1305_abytes(void) {
+    return crypto_aead_chacha20poly1305_ABYTES;
+}
+
+size_t
+crypto_aead_chacha20poly1305_macbytes(void) {
+    return crypto_aead_chacha20poly1305_MACBYTES;
+}

src/libsodium/crypto_secretbox/chacha20poly1305/secretbox_chacha20poly1305.c

@@ -1,150 +0,0 @@
-
-#include <string.h>
-
-#include "crypto_onetimeauth_poly1305.h"
-#include "crypto_secretbox_chacha20poly1305.h"
-#include "crypto_stream_chacha20.h"
-#include "crypto_verify_16.h"
-#include "utils.h"
-
-static inline void
-_u64_le_from_ull(unsigned char out[8U], unsigned long long x)
-{
-    out[0] = (unsigned char) (x & 0xff); x >>= 8;
-    out[1] = (unsigned char) (x & 0xff); x >>= 8;
-    out[2] = (unsigned char) (x & 0xff); x >>= 8;
-    out[3] = (unsigned char) (x & 0xff); x >>= 8;
-    out[4] = (unsigned char) (x & 0xff); x >>= 8;
-    out[5] = (unsigned char) (x & 0xff); x >>= 8;
-    out[6] = (unsigned char) (x & 0xff); x >>= 8;
-    out[7] = (unsigned char) (x & 0xff);
-}
-
-int
-crypto_secretbox_chacha20poly1305_ad(unsigned char *c,
-                                     const unsigned char *m,
-                                     unsigned long long mlen,
-                                     const unsigned char *ad,
-                                     unsigned long long adlen,
-                                     const unsigned char *n,
-                                     const unsigned char *k)
-{
-    crypto_onetimeauth_poly1305_state state;
-    unsigned char                     block0[64U];
-    unsigned char                     slen[8U];
-
-    crypto_stream_chacha20_xor_ic
-        (c + crypto_secretbox_chacha20poly1305_ZEROBYTES, m, mlen, n, 1U, k);
-
-    crypto_stream_chacha20(block0, sizeof block0, n, k);
-    crypto_onetimeauth_poly1305_init(&state, block0);
-    sodium_memzero(block0, sizeof block0);
-
-    crypto_onetimeauth_poly1305_update(&state, ad, adlen);
-    _u64_le_from_ull(slen, adlen);
-    crypto_onetimeauth_poly1305_update(&state, slen, sizeof slen);
-
-    crypto_onetimeauth_poly1305_update
-        (&state, c + crypto_secretbox_chacha20poly1305_ZEROBYTES, mlen);
-    _u64_le_from_ull(slen, mlen);
-    crypto_onetimeauth_poly1305_update(&state, slen, sizeof slen);
-
-    crypto_onetimeauth_poly1305_final(&state, c);
-    sodium_memzero(&state, sizeof state);
-
-    return 0;
-}
-
-int
-crypto_secretbox_chacha20poly1305(unsigned char *c,
-                                  const unsigned char *m,
-                                  unsigned long long mlen,
-                                  const unsigned char *n,
-                                  const unsigned char *k)
-{
-    return crypto_secretbox_chacha20poly1305_ad(c, m, mlen, NULL, 0ULL, n, k);
-}
-
-int
-crypto_secretbox_chacha20poly1305_ad_open(unsigned char *m,
-                                          const unsigned char *c,
-                                          unsigned long long clen,
-                                          const unsigned char *ad,
-                                          unsigned long long adlen,
-                                          const unsigned char *n,
-                                          const unsigned char *k)
-{
-    crypto_onetimeauth_poly1305_state state;
-    unsigned char                     block0[64U];
-    unsigned char                     slen[8U];
-    unsigned char                     mac[crypto_secretbox_chacha20poly1305_MACBYTES];
-    int                               ret;
-
-    if (clen < crypto_secretbox_chacha20poly1305_ZEROBYTES) {
-        return -1;
-    }
-    crypto_stream_chacha20(block0, sizeof block0, n, k);
-    crypto_onetimeauth_poly1305_init(&state, block0);
-    sodium_memzero(block0, sizeof block0);
-
-    crypto_onetimeauth_poly1305_update(&state, ad, adlen);
-    _u64_le_from_ull(slen, adlen);
-    crypto_onetimeauth_poly1305_update(&state, slen, sizeof slen);
-
-    crypto_onetimeauth_poly1305_update
-        (&state, c + crypto_secretbox_chacha20poly1305_ZEROBYTES,
-         clen - crypto_secretbox_chacha20poly1305_ZEROBYTES);
-    _u64_le_from_ull(slen, clen - crypto_secretbox_chacha20poly1305_ZEROBYTES);
-    crypto_onetimeauth_poly1305_update(&state, slen, sizeof slen);
-
-    crypto_onetimeauth_poly1305_final(&state, mac);
-    sodium_memzero(&state, sizeof state);
-
-    ret = crypto_verify_16(mac, c);
-    sodium_memzero(mac, sizeof mac);
-    if (ret != 0) {
-        memset(m, 0, clen - crypto_secretbox_chacha20poly1305_ZEROBYTES);
-        return -1;
-    }
-    crypto_stream_chacha20_xor_ic
-        (m, c + crypto_secretbox_chacha20poly1305_ZEROBYTES,
-         clen - crypto_secretbox_chacha20poly1305_ZEROBYTES, n, 1U, k);
-
-    return 0;
-}
-
-int
-crypto_secretbox_chacha20poly1305_open(unsigned char *m,
-                                       const unsigned char *c,
-                                       unsigned long long clen,
-                                       const unsigned char *n,
-                                       const unsigned char *k)
-{
-    return crypto_secretbox_chacha20poly1305_ad_open(m, c, clen,
-                                                     NULL, 0ULL, n, k);
-}
-
-size_t
-crypto_secretbox_chacha20poly1305_keybytes(void) {
-    return crypto_secretbox_chacha20poly1305_KEYBYTES;
-}
-
-size_t
-crypto_secretbox_chacha20poly1305_noncebytes(void) {
-    return crypto_secretbox_chacha20poly1305_NONCEBYTES;
-}
-
-size_t
-crypto_secretbox_chacha20poly1305_zerobytes(void) {
-    return crypto_secretbox_chacha20poly1305_ZEROBYTES;
-}
-
-size_t
-crypto_secretbox_chacha20poly1305_boxzerobytes(void) {
-    return crypto_secretbox_chacha20poly1305_BOXZEROBYTES;
-}
-
-size_t
-crypto_secretbox_chacha20poly1305_macbytes(void) {
-    return crypto_secretbox_chacha20poly1305_MACBYTES;
-}

src/libsodium/include/Makefile.am

@@ -2,6 +2,7 @@
 SODIUM_EXPORT = \
 	sodium.h \
 	sodium/core.h \
+	sodium/crypto_aead_chacha20poly1305.h \
 	sodium/crypto_auth.h \
 	sodium/crypto_auth_hmacsha256.h \
 	sodium/crypto_auth_hmacsha512.h \
@@ -23,7 +24,6 @@ SODIUM_EXPORT = \
 	sodium/crypto_scalarmult.h \
 	sodium/crypto_scalarmult_curve25519.h \
 	sodium/crypto_secretbox.h \
-	sodium/crypto_secretbox_chacha20poly1305.h \
 	sodium/crypto_secretbox_xsalsa20poly1305.h \
 	sodium/crypto_shorthash.h \
 	sodium/crypto_shorthash_siphash24.h \

src/libsodium/include/sodium.h

@@ -3,6 +3,7 @@
 #define __SODIUM_H__
 
 #include <sodium/core.h>
+#include <sodium/crypto_aead_chacha20poly1305.h>
 #include <sodium/crypto_auth.h>
 #include <sodium/crypto_auth_hmacsha256.h>
 #include <sodium/crypto_auth_hmacsha512.h>
@@ -24,7 +25,6 @@
 #include <sodium/crypto_scalarmult.h>
 #include <sodium/crypto_scalarmult_curve25519.h>
 #include <sodium/crypto_secretbox.h>
-#include <sodium/crypto_secretbox_chacha20poly1305.h>
 #include <sodium/crypto_secretbox_xsalsa20poly1305.h>
 #include <sodium/crypto_shorthash.h>
 #include <sodium/crypto_shorthash_siphash24.h>

src/libsodium/include/sodium/crypto_aead_chacha20poly1305.h

@@ -0,0 +1,69 @@
+#ifndef crypto_aead_chacha20poly1305_H
+#define crypto_aead_chacha20poly1305_H
+
+#include <stddef.h>
+#include "export.h"
+
+#ifdef __cplusplus
+# if __GNUC__
+#  pragma GCC diagnostic ignored "-Wlong-long"
+# endif
+extern "C" {
+#endif
+
+#define crypto_aead_chacha20poly1305_KEYBYTES 32U
+SODIUM_EXPORT
+size_t crypto_aead_chacha20poly1305_keybytes(void);
+
+#define crypto_aead_chacha20poly1305_NSECBYTES 0U
+SODIUM_EXPORT
+size_t crypto_aead_chacha20poly1305_nsecbytes(void);
+
+#define crypto_aead_chacha20poly1305_NPUBBYTES 8U
+SODIUM_EXPORT
+size_t crypto_aead_chacha20poly1305_npubbytes(void);
+
+#define crypto_aead_chacha20poly1305_ZEROBYTES 16U
+SODIUM_EXPORT
+size_t crypto_aead_chacha20poly1305_zerobytes(void);
+
+#define crypto_aead_chacha20poly1305_BOXZEROBYTES 0U
+SODIUM_EXPORT
+size_t crypto_aead_chacha20poly1305_boxzerobytes(void);
+
+#define crypto_aead_chacha20poly1305_MACBYTES \
+    (crypto_aead_chacha20poly1305_ZEROBYTES - \
+     crypto_aead_chacha20poly1305_BOXZEROBYTES)
+SODIUM_EXPORT
+size_t crypto_aead_chacha20poly1305_macbytes(void);
+
+#define crypto_aead_chacha20poly1305_ABYTES 0U
+SODIUM_EXPORT
+size_t crypto_aead_chacha20poly1305_abytes(void);
+
+SODIUM_EXPORT
+int crypto_aead_chacha20poly1305_encrypt(unsigned char *c,
+                                         unsigned long long *clen,
+                                         const unsigned char *m,
+                                         unsigned long long mlen,
+                                         const unsigned char *ad,
+                                         unsigned long long adlen,
+                                         const unsigned char *nsec,
+                                         const unsigned char *npub,
+                                         const unsigned char *k);
+
+SODIUM_EXPORT
+int crypto_aead_chacha20poly1305_decrypt(unsigned char *m,
+                                         unsigned long long *mlen,
+                                         unsigned char *nsec,
+                                         const unsigned char *c,
+                                         unsigned long long clen,
+                                         const unsigned char *ad,
+                                         unsigned long long adlen,
+                                         const unsigned char *npub,
+                                         const unsigned char *k);
+#ifdef __cplusplus
+}
+#endif
+
+#endif

src/libsodium/include/sodium/crypto_secretbox_chacha20poly1305.h

@@ -1,72 +0,0 @@
-#ifndef crypto_secretbox_chacha20poly1305_H
-#define crypto_secretbox_chacha20poly1305_H
-
-#include <stddef.h>
-#include "export.h"
-
-#ifdef __cplusplus
-# if __GNUC__
-#  pragma GCC diagnostic ignored "-Wlong-long"
-# endif
-extern "C" {
-#endif
-
-#define crypto_secretbox_chacha20poly1305_KEYBYTES 32U
-SODIUM_EXPORT
-size_t crypto_secretbox_chacha20poly1305_keybytes(void);
-
-#define crypto_secretbox_chacha20poly1305_NONCEBYTES 8U
-SODIUM_EXPORT
-size_t crypto_secretbox_chacha20poly1305_noncebytes(void);
-
-#define crypto_secretbox_chacha20poly1305_ZEROBYTES 16U
-SODIUM_EXPORT
-size_t crypto_secretbox_chacha20poly1305_zerobytes(void);
-
-#define crypto_secretbox_chacha20poly1305_BOXZEROBYTES 0U
-SODIUM_EXPORT
-size_t crypto_secretbox_chacha20poly1305_boxzerobytes(void);
-
-#define crypto_secretbox_chacha20poly1305_MACBYTES \
-    (crypto_secretbox_chacha20poly1305_ZEROBYTES - \
-     crypto_secretbox_chacha20poly1305_BOXZEROBYTES)
-SODIUM_EXPORT
-size_t crypto_secretbox_chacha20poly1305_macbytes(void);
-
-SODIUM_EXPORT
-int crypto_secretbox_chacha20poly1305(unsigned char *c,
-                                      const unsigned char *m,
-                                      unsigned long long mlen,
-                                      const unsigned char *n,
-                                      const unsigned char *k);
-
-SODIUM_EXPORT
-int crypto_secretbox_chacha20poly1305_open(unsigned char *m,
-                                           const unsigned char *c,
-                                           unsigned long long clen,
-                                           const unsigned char *n,
-                                           const unsigned char *k);
-
-
-SODIUM_EXPORT
-int crypto_secretbox_chacha20poly1305_ad(unsigned char *c,
-                                         const unsigned char *m,
-                                         unsigned long long mlen,
-                                         const unsigned char *ad,
-                                         unsigned long long adlen,
-                                         const unsigned char *n,
-                                         const unsigned char *k);
-
-SODIUM_EXPORT
-int crypto_secretbox_chacha20poly1305_ad_open(unsigned char *m,
-                                              const unsigned char *c,
-                                              unsigned long long clen,
-                                              const unsigned char *ad,
-                                              unsigned long long adlen,
-                                              const unsigned char *n,
-                                              const unsigned char *k);
-#ifdef __cplusplus
-}
-#endif
-
-#endif

test/default/Makefile.am

@@ -2,6 +2,7 @@
 EXTRA_DIST = \
 	cmptest.h \
 	wintest.bat \
+	aead_chacha20poly1305.exp \
 	auth.exp \
 	auth2.exp \
 	auth3.exp \
@@ -38,7 +39,6 @@ EXTRA_DIST = \
 	scalarmult5.exp \
 	scalarmult6.exp \
 	secretbox.exp \
-	secretbox_chacha20poly1305.exp \
 	secretbox2.exp \
 	secretbox7.exp \
 	secretbox8.exp \
@@ -58,6 +58,7 @@ EXTRA_DIST = \
 	verify1.exp
 
 DISTCLEANFILES = \
+	aead_chacha20poly1305.res \
 	auth.res \
 	auth2.res \
 	auth3.res \
@@ -94,7 +95,6 @@ DISTCLEANFILES = \
 	scalarmult5.res \
 	scalarmult6.res \
 	secretbox.res \
-	secretbox_chacha20poly1305.res \
 	secretbox2.res \
 	secretbox7.res \
 	secretbox8.res \
@@ -122,6 +122,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/test/quirks
 
 TESTS_TARGETS = \
+	aead_chacha20poly1305 \
 	auth \
 	auth2 \
 	auth3 \
@@ -158,7 +159,6 @@ TESTS_TARGETS = \
 	scalarmult5 \
 	scalarmult6 \
 	secretbox \
-	secretbox_chacha20poly1305 \
 	secretbox2 \
 	secretbox7 \
 	secretbox8 \
@@ -184,6 +184,9 @@ TESTS = $(TESTS_TARGETS)
 TESTS_LDADD = \
 	${top_builddir}/src/libsodium/libsodium.la
 
+aead_chacha20poly1305_SOURCE          = cmptest.h aead_chacha20poly1305.c
+aead_chacha20poly1305_LDADD           = $(TESTS_LDADD)
+
 auth_SOURCE               = cmptest.h auth.c
 auth_LDADD                = $(TESTS_LDADD)
 
@@ -292,9 +295,6 @@ scalarmult6_LDADD         = $(TESTS_LDADD)
 secretbox_SOURCE          = cmptest.h secretbox.c
 secretbox_LDADD           = $(TESTS_LDADD)
 
-secretbox_chacha20poly1305_SOURCE          = cmptest.h secretbox_chacha20poly1305.c
-secretbox_chacha20poly1305_LDADD           = $(TESTS_LDADD)
-
 secretbox2_SOURCE         = cmptest.h secretbox2.c
 secretbox2_LDADD          = $(TESTS_LDADD)
 

test/default/aead_chacha20poly1305.c

@@ -1,10 +1,10 @@
 #include <stdio.h>
 #include <string.h>
 
-#define TEST_NAME "secretbox_chacha20poly1305"
+#define TEST_NAME "aead_chacha20poly1305"
 #include "cmptest.h"
 
-static unsigned char firstkey[crypto_secretbox_chacha20poly1305_KEYBYTES] = {
+static unsigned char firstkey[crypto_aead_chacha20poly1305_KEYBYTES] = {
     0x42, 0x90, 0xbc, 0xb1, 0x54, 0x17, 0x35, 0x31,
     0xf3, 0x14, 0xaf, 0x57, 0xf3, 0xbe, 0x3b, 0x50,
     0x06, 0xda, 0x37, 0x1e, 0xce, 0x27, 0x2a, 0xfa,
@@ -15,7 +15,7 @@ static unsigned char m[10U] = {
     0x86, 0xd0, 0x99, 0x74, 0x84, 0x0b, 0xde, 0xd2, 0xa5, 0xca
 };
 
-static unsigned char nonce[crypto_secretbox_chacha20poly1305_NONCEBYTES] = {
+static unsigned char nonce[crypto_aead_chacha20poly1305_NPUBBYTES] = {
     0xcd, 0x7c, 0xf6, 0x7b, 0xe3, 0x9c, 0x79, 0x4a
 };
 
@@ -23,15 +23,15 @@ static unsigned char ad[10U] = {
     0x87, 0xe2, 0x29, 0xd4, 0x50, 0x08, 0x45, 0xa0, 0x79, 0xc0
 };
 
-static unsigned char c[10U + crypto_secretbox_chacha20poly1305_ZEROBYTES];
+static unsigned char c[10U + crypto_aead_chacha20poly1305_ZEROBYTES];
 
 int main(void)
 {
     unsigned char m2[10U];
     size_t         i;
 
-    crypto_secretbox_chacha20poly1305_ad(c, m, sizeof m, ad, sizeof ad,
+    crypto_aead_chacha20poly1305_encrypt(c, NULL, m, sizeof m, ad, sizeof ad,
-                                         nonce, firstkey);
+                                         NULL, nonce, firstkey);
     for (i = 0U; i < sizeof c; ++i) {
         printf(",0x%02x", (unsigned int) c[i]);
         if (i % 8 == 7) {
@@ -40,10 +40,10 @@ int main(void)
     }
     printf("\n");
 
-    if (crypto_secretbox_chacha20poly1305_ad_open(m2, c, sizeof c,
+    if (crypto_aead_chacha20poly1305_decrypt(m2, NULL, NULL, c, sizeof c,
-                                                  ad, sizeof ad,
+                                             ad, sizeof ad,
-                                                  nonce, firstkey) != 0) {
+                                             nonce, firstkey) != 0) {
-        printf("crypto_secretbox_chacha20poly1305_ad_open() failed\n");
+        printf("crypto_aead_chacha20poly1305_ad_open() failed\n");
     }
     if (memcmp(m, m2, sizeof m) != 0) {
         printf("m != m2\n");
@@ -51,9 +51,9 @@ int main(void)
 
     for (i = 0U; i < sizeof c; i++) {
         c[i] ^= (i + 1U);
-        if (crypto_secretbox_chacha20poly1305_ad_open(m2, c, sizeof c,
+        if (crypto_aead_chacha20poly1305_decrypt(m2, NULL, NULL, c, sizeof c,
-                                                      ad, sizeof ad,
+                                                 ad, sizeof ad,
-                                                      nonce, firstkey) == 0 ||
+                                                 nonce, firstkey) == 0 ||
             memcmp(m, m2, sizeof m) == 0) {
             printf("message can be forged\n");
         }