+ crypto_box_seal()

test/default/Makefile.am

@@ -16,6 +16,7 @@ EXTRA_DIST = \
 	box8.exp \
 	box_easy.exp \
 	box_easy2.exp \
+	box_seal.exp \
 	box_seed.exp \
 	chacha20.exp \
 	core1.exp \
@@ -75,6 +76,7 @@ DISTCLEANFILES = \
 	box8.res \
 	box_easy.res \
 	box_easy2.res \
+	box_seal.res \
 	box_seed.res \
 	chacha20.res \
 	core1.res \
@@ -144,6 +146,7 @@ TESTS_TARGETS = \
 	box8 \
 	box_easy \
 	box_easy2 \
+	box_seal \
 	box_seed \
 	chacha20 \
 	core1 \
@@ -238,6 +241,9 @@ box_easy_LDADD            = $(TESTS_LDADD)
 box_easy2_SOURCE          = cmptest.h box_easy2.c
 box_easy2_LDADD           = $(TESTS_LDADD)
 
+box_seal_SOURCE           = cmptest.h box_seal.c
+box_seal_LDADD            = $(TESTS_LDADD)
+
 box_seed_SOURCE           = cmptest.h box_seed.c
 box_seed_LDADD            = $(TESTS_LDADD)
 

test/default/box_seal.c

@@ -0,0 +1,43 @@
+
+#define TEST_NAME "box_seal"
+#include "cmptest.h"
+
+int main(void)
+{
+    unsigned char pk[crypto_box_PUBLICKEYBYTES];
+    unsigned char sk[crypto_box_SECRETKEYBYTES];
+    unsigned char *c;
+    unsigned char *m;
+    unsigned char *m2;
+    size_t         m_len;
+    size_t         c_len;
+
+    crypto_box_keypair(pk, sk);
+    m_len = (size_t) randombytes_uniform(1000);
+    c_len = crypto_box_SEALBYTES + m_len;
+    m = (unsigned char *) sodium_malloc(m_len);
+    m2 = (unsigned char *) sodium_malloc(m_len);
+    c = (unsigned char *) sodium_malloc(c_len);
+    randombytes_buf(m, m_len);
+    if (crypto_box_seal(c, m, m_len, pk) != 0) {
+        printf("crypto_box_seal() failure\n");
+        return 1;
+    }
+    if (crypto_box_seal_open(m2, c, c_len, pk, sk) != 0) {
+        printf("crypto_box_seal_open() failure\n");
+        return 1;
+    }
+    printf("%d\n", memcmp(m, m2, m_len));
+
+    printf("%d\n", crypto_box_seal_open(m, c, 0U, pk, sk));
+    printf("%d\n", crypto_box_seal_open(m, c, c_len - 1U, pk, sk));
+    printf("%d\n", crypto_box_seal_open(m, c, c_len, sk, pk));
+
+    sodium_free(c);
+    sodium_free(m);
+    sodium_free(m2);
+
+    assert(crypto_box_sealbytes() == crypto_box_SEALBYTES);
+
+    return 0;
+}

test/default/box_seal.exp

@@ -0,0 +1,4 @@
+0
+-1
+-1
+-1