Rename aead_chacha20_poly1305 to chachapoly
While the old name is explicit and aligned with the RFC, it's also very long,
so with the mbedtls_ prefix prepended we get a 31-char prefix to each
identifier, which quickly conflicts with our 80-column policy.
The new name is shorter, it's what a lot of people use when speaking about
that construction anyway, and hopefully should not introduce confusion at
it seems unlikely that variants other than 20/1305 be standardised in the
foreseeable future.
diff --git a/tests/suites/test_suite_chachapoly.function b/tests/suites/test_suite_chachapoly.function
new file mode 100644
index 0000000..fb1a738
--- /dev/null
+++ b/tests/suites/test_suite_chachapoly.function
@@ -0,0 +1,109 @@
+/* BEGIN_HEADER */
+#include "mbedtls/chachapoly.h"
+/* END_HEADER */
+
+/* BEGIN_DEPENDENCIES
+ * depends_on:MBEDTLS_CHACHAPOLY_C
+ * END_DEPENDENCIES
+ */
+
+/* BEGIN_CASE */
+void mbedtls_chachapoly_enc( char *hex_key_string, char *hex_nonce_string, char *hex_aad_string, char *hex_input_string, char *hex_output_string, char *hex_mac_string )
+{
+ unsigned char key_str[32];
+ unsigned char nonce_str[12];
+ unsigned char aad_str[10000];
+ unsigned char input_str[10000];
+ unsigned char output_str[10000];
+ unsigned char mac_str[16];
+ unsigned char output[10000];
+ unsigned char mac[16];
+ size_t input_len;
+ size_t output_len;
+ size_t aad_len;
+ size_t key_len;
+ size_t nonce_len;
+ size_t mac_len;
+
+ memset( key_str, 0x00, 32 );
+ memset( nonce_str, 0x00, 12 );
+ memset( aad_str, 0x00, 10000 );
+ memset( input_str, 0x00, 10000 );
+ memset( output_str, 0x00, 10000 );
+ memset( mac_str, 0x00, 16 );
+
+ aad_len = unhexify( aad_str, hex_aad_string );
+ input_len = unhexify( input_str, hex_input_string );
+ output_len = unhexify( output_str, hex_output_string );
+ key_len = unhexify( key_str, hex_key_string );
+ nonce_len = unhexify( nonce_str, hex_nonce_string );
+ mac_len = unhexify( mac_str, hex_mac_string );
+
+ TEST_ASSERT( key_len == 32 );
+ TEST_ASSERT( nonce_len == 12 );
+ TEST_ASSERT( mac_len == 16 );
+
+ mbedtls_chachapoly_crypt_and_mac( key_str, nonce_str,
+ MBEDTLS_CHACHAPOLY_ENCRYPT,
+ aad_len, aad_str,
+ input_len, input_str, output,
+ mac );
+
+ TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 );
+ TEST_ASSERT( memcmp( mac_str, mac, 16U ) == 0 );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mbedtls_chachapoly_dec( char *hex_key_string, char *hex_nonce_string, char *hex_aad_string, char *hex_input_string, char *hex_output_string, char *hex_mac_string )
+{
+ unsigned char key_str[32];
+ unsigned char nonce_str[12];
+ unsigned char aad_str[10000];
+ unsigned char input_str[10000];
+ unsigned char output_str[10000];
+ unsigned char mac_str[16];
+ unsigned char output[10000];
+ unsigned char mac[16];
+ size_t input_len;
+ size_t output_len;
+ size_t aad_len;
+ size_t key_len;
+ size_t nonce_len;
+ size_t mac_len;
+
+ memset( key_str, 0x00, 32 );
+ memset( nonce_str, 0x00, 12 );
+ memset( aad_str, 0x00, 10000 );
+ memset( input_str, 0x00, 10000 );
+ memset( output_str, 0x00, 10000 );
+ memset( mac_str, 0x00, 16 );
+
+ aad_len = unhexify( aad_str, hex_aad_string );
+ input_len = unhexify( input_str, hex_input_string );
+ output_len = unhexify( output_str, hex_output_string );
+ key_len = unhexify( key_str, hex_key_string );
+ nonce_len = unhexify( nonce_str, hex_nonce_string );
+ mac_len = unhexify( mac_str, hex_mac_string );
+
+ TEST_ASSERT( key_len == 32 );
+ TEST_ASSERT( nonce_len == 12 );
+ TEST_ASSERT( mac_len == 16 );
+
+ mbedtls_chachapoly_crypt_and_mac( key_str, nonce_str,
+ MBEDTLS_CHACHAPOLY_DECRYPT,
+ aad_len, aad_str,
+ input_len, input_str, output,
+ mac );
+
+ TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 );
+ TEST_ASSERT( memcmp( mac_str, mac, 16U ) == 0 );
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
+void chachapoly_selftest()
+{
+ TEST_ASSERT( mbedtls_chachapoly_self_test( 1 ) == 0 );
+}
+/* END_CASE */