Add the RFC 7539 ChaCha20-Poly1305 AEAD.
Change-Id: I07dfde7cc304d903c2253600905cc3e6257716c5
Reviewed-on: https://boringssl-review.googlesource.com/6101
Reviewed-by: Adam Langley <alangley@gmail.com>
diff --git a/include/openssl/aead.h b/include/openssl/aead.h
index 659f05fd..7415355 100644
--- a/include/openssl/aead.h
+++ b/include/openssl/aead.h
@@ -98,9 +98,15 @@
/* EVP_aead_aes_256_gcm is AES-256 in Galois Counter Mode. */
OPENSSL_EXPORT const EVP_AEAD *EVP_aead_aes_256_gcm(void);
-/* EVP_aead_chacha20_poly1305 is an AEAD built from ChaCha20 and Poly1305. */
+/* EVP_aead_chacha20_poly1305 is the AEAD built from ChaCha20 and
+ * Poly1305 as described in RFC 7539. */
OPENSSL_EXPORT const EVP_AEAD *EVP_aead_chacha20_poly1305(void);
+/* EVP_aead_chacha20_poly1305_old is an AEAD built from ChaCha20 and
+ * Poly1305 that is used in the experimental ChaCha20-Poly1305 TLS cipher
+ * suites. Use |EVP_aead_chacha20_poly1305| for everything else. */
+OPENSSL_EXPORT const EVP_AEAD *EVP_aead_chacha20_poly1305_old(void);
+
/* EVP_aead_aes_128_key_wrap is AES-128 Key Wrap mode. This should never be
* used except to interoperate with existing systems that use this mode.
*
