[lng-odp] [PATCH API-NEXT v4 2/15] api: crypto: add ChaCha20-Poly1305 support

[Github ODP bot]

From: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org>

ChaCha20-Poly1305 is a promising AEAD algorithm. Add decarations to
support it.

Signed-off-by: Dmitry Eremin-Solenikov <dmitry.ereminsoleni...@linaro.org>
---
/** Email created from pull request 434 (lumag:crypto-upd)
 ** https://github.com/Linaro/odp/pull/434
 ** Patch: https://github.com/Linaro/odp/pull/434.patch
 ** Base sha: 5718327018debbb02aacb464493504c95fbe57a3
 ** Merge commit sha: c5d9389a8d3b1a532e290aff4508756a920173ee
 **/
 include/odp/api/spec/crypto.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/include/odp/api/spec/crypto.h b/include/odp/api/spec/crypto.h
index 421080c2b..b7ab53620 100644
--- a/include/odp/api/spec/crypto.h
+++ b/include/odp/api/spec/crypto.h
@@ -101,6 +101,15 @@ typedef enum {
         */
        ODP_CIPHER_ALG_AES_CCM,
 
+       /** ChaCha20-Poly1305
+        *
+        *  ChaCha20 with Poly1305 provide both authentication and ciphering of
+        *  data (authenticated encryption) in the same operation. Hence this
+        *  algorithm must be paired always with ODP_AUTH_ALG_CHACHA20_POLY1305
+        *  authentication.
+        */
+       ODP_CIPHER_ALG_CHACHA20_POLY1305,
+
        /** @deprecated  Use ODP_CIPHER_ALG_AES_CBC instead */
        ODP_DEPRECATE(ODP_CIPHER_ALG_AES128_CBC),
 
@@ -183,6 +192,15 @@ typedef enum {
         */
        ODP_AUTH_ALG_AES_CMAC,
 
+       /** ChaCha20-Poly1305 AEAD
+        *
+        *  ChaCha20 with Poly1305 provide both authentication and ciphering of
+        *  data (authenticated encryption) in the same operation. Hence this
+        *  algorithm must be paired always with
+        *  ODP_CIPHER_ALG_CHACHA20_POLY1305 cipher.
+        */
+       ODP_AUTH_ALG_CHACHA20_POLY1305,
+
        /** @deprecated  Use ODP_AUTH_ALG_MD5_HMAC instead */
        ODP_DEPRECATE(ODP_AUTH_ALG_MD5_96),
 
@@ -221,6 +239,9 @@ typedef union odp_crypto_cipher_algos_t {
                /** ODP_CIPHER_ALG_AES_CCM */
                uint32_t aes_ccm     : 1;
 
+               /** ODP_CIPHER_ALG_CHACHA20_POLY1305 */
+               uint32_t chacha20_poly1305 : 1;
+
                /** @deprecated  Use aes_cbc instead */
                uint32_t ODP_DEPRECATE(aes128_cbc) : 1;
 
@@ -269,6 +290,9 @@ typedef union odp_crypto_auth_algos_t {
                /** ODP_AUTH_ALG_AES_CMAC*/
                uint32_t aes_cmac    : 1;
 
+               /** ODP_AUTH_ALG_CHACHA20_POLY1305 */
+               uint32_t chacha20_poly1305 : 1;
+
                /** @deprecated  Use md5_hmac instead */
                uint32_t ODP_DEPRECATE(md5_96)     : 1;