commit ac4fa07fa3d00480855d593d10ca251a29f89a7c
author David Brown <david.brown@linaro.org> Mon Feb 08 16:47:35 2021 -0700
committer David Brown <david.brown@linaro.org> Tue Feb 16 13:25:34 2021 -0700
tree 9bb11407c4deee7550642f9487115d4ea99969c1
parent b16727a603d09a7a6722e63d589d9a2addfa3ca0

Add PSA config support for ChaCha20+Poly1305

Add checks for PSA_WANT_ALG_CHACHA20_POLY1305.

Signed-off-by: David Brown <david.brown@linaro.org>

include/mbedtls/config_psa.h

diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index 76db6c7..0ef1c95 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -360,6 +360,14 @@
 #endif
 #endif /* PSA_WANT_ALG_CBC_PKCS7 */
 
+#if defined(PSA_WANT_ALG_CHACHA20_POLY1305)
+#if defined(PSA_WANT_KEY_TYPE_CHACHA20)
+#define MBEDTLS_CHACHAPOLY_C
+#else /* not PSA_WANT_KEY_TYPE_CHACHA20 */
+#error "PSA_WANT_ALG_CHACHA20_POLY1305 requires PSA_WANT_KEY_TYPE_CHACHA20"
+#endif /* PSA_WANT_KEY_TYPE_CHACHA20 */
+#endif /* PSA_WANT_ALG_CHACHA20_POLY1305 */
+
 #else /* MBEDTLS_PSA_CRYPTO_CONFIG */
 
 /*
@@ -495,6 +503,9 @@
 #define PSA_WANT_ALG_STREAM_CIPHER 1
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_CHACHA20 1
 #define MBEDTLS_PSA_BUILTIN_ALG_STREAM_CIPHER 1
+#if defined(MBEDTLS_CHACHAPOLY_C)
+#define PSA_WANT_ALG_CHACHA20_POLY1305 1
+#endif
 #endif
 
 #if defined(MBEDTLS_CIPHER_MODE_CBC)