Sanity check EVP_CTRL_AEAD_TLS_AAD

[openssl.git] / include / openssl / evp.h

diff --git a/include/openssl/evp.h b/include/openssl/evp.h
index 0d26fd3..4df3ce7 100644 (file)
--- a/include/openssl/evp.h
+++ b/include/openssl/evp.h
@@ -426,6 +426,9 @@ struct evp_cipher_st {
 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT      0x1b
 # define         EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE  0x1c
 
+/* RFC 5246 defines additional data to be 13 bytes in length */
+# define         EVP_AEAD_TLS1_AAD_LEN           13
+
 typedef struct {
     unsigned char *out;
     const unsigned char *inp;