1 files changed, 97 insertions, 0 deletions
diff --git a/test/default/aead_chacha20poly1305.c b/test/default/aead_chacha20poly1305.c
new file mode 100644
index 0000000..036d001
--- /dev/null
+++ b/test/default/aead_chacha20poly1305.c
@@ -0,0 +1,97 @@
+#include <stdio.h>
+#include <string.h>
+
+#define TEST_NAME "aead_chacha20poly1305"
+#include "cmptest.h"
+
+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,
+    0x1b, 0x5d, 0xbd, 0xd1, 0x10, 0x0a, 0x10, 0x07
+};
+
+static unsigned char m[10U] = {
+    0x86, 0xd0, 0x99, 0x74, 0x84, 0x0b, 0xde, 0xd2, 0xa5, 0xca
+};
+
+static unsigned char nonce[crypto_aead_chacha20poly1305_NPUBBYTES] = {
+    0xcd, 0x7c, 0xf6, 0x7b, 0xe3, 0x9c, 0x79, 0x4a
+};
+
+static unsigned char ad[10U] = {
+    0x87, 0xe2, 0x29, 0xd4, 0x50, 0x08, 0x45, 0xa0, 0x79, 0xc0
+};
+
+static unsigned char c[10U + crypto_aead_chacha20poly1305_ABYTES];
+
+int main(void)
+{
+    unsigned char      m2[10U];
+    unsigned long long clen;
+    unsigned long long m2len;
+    size_t             i;
+
+    crypto_aead_chacha20poly1305_encrypt(c, &clen, m, sizeof m, ad, sizeof ad,
+                                         NULL, nonce, firstkey);
+    if (clen != sizeof m + crypto_aead_chacha20poly1305_abytes()) {
+        printf("clen is not properly set\n");
+    }
+    for (i = 0U; i < sizeof c; ++i) {
+        printf(",0x%02x", (unsigned int) c[i]);
+        if (i % 8 == 7) {
+            printf("\n");
+        }
+    }
+    printf("\n");
+
+    if (crypto_aead_chacha20poly1305_decrypt(m2, &m2len, NULL, c, sizeof c,
+                                             ad, sizeof ad,
+                                             nonce, firstkey) != 0) {
+        printf("crypto_aead_chacha20poly1305_decrypt() failed\n");
+    }
+    if (m2len != sizeof c - crypto_aead_chacha20poly1305_abytes()) {
+        printf("m2len is not properly set\n");
+    }
+    if (memcmp(m, m2, sizeof m) != 0) {
+        printf("m != m2\n");
+    }
+
+    for (i = 0U; i < sizeof c; i++) {
+        c[i] ^= (i + 1U);
+        if (crypto_aead_chacha20poly1305_decrypt(m2, NULL, NULL, c, sizeof c,
+                                                 ad, sizeof ad,
+                                                 nonce, firstkey) == 0 ||
+            memcmp(m, m2, sizeof m) == 0) {
+            printf("message can be forged\n");
+        }
+        c[i] ^= (i + 1U);
+    }
+
+    crypto_aead_chacha20poly1305_encrypt(c, &clen, m, sizeof m, NULL, 0U,
+                                         NULL, nonce, firstkey);
+    if (clen != sizeof m + crypto_aead_chacha20poly1305_abytes()) {
+        printf("clen is not properly set (adlen=0)\n");
+    }
+    for (i = 0U; i < sizeof c; ++i) {
+        printf(",0x%02x", (unsigned int) c[i]);
+        if (i % 8 == 7) {
+            printf("\n");
+        }
+    }
+    printf("\n");
+
+    if (crypto_aead_chacha20poly1305_decrypt(m2, &m2len, NULL, c, sizeof c,
+                                             NULL, 0U,
+                                             nonce, firstkey) != 0) {
+        printf("crypto_aead_chacha20poly1305_decrypt() failed (adlen=0)\n");
+    }
+    if (m2len != sizeof c - crypto_aead_chacha20poly1305_abytes()) {
+        printf("m2len is not properly set (adlen=0)\n");
+    }
+    if (memcmp(m, m2, sizeof m) != 0) {
+        printf("m != m2 (adlen=0)\n");
+    }
+
+    return 0;
+}