From 6e2069661efe1a9dbd746838dd40643ceb25fa09 Mon Sep 17 00:00:00 2001
From: Gilles Peskine <Gilles.Peskine@arm.com>
Date: Wed, 3 Jan 2024 20:59:03 +0100
Subject: [PATCH] Note unusual curve size

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
---
 include/psa/crypto_values.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/psa/crypto_values.h b/include/psa/crypto_values.h
index a5e885ff5a..e69f0c4d69 100644
--- a/include/psa/crypto_values.h
+++ b/include/psa/crypto_values.h
@@ -594,6 +594,8 @@
  * They are defined in _Standards for Efficient Cryptography_,
  * _SEC 2: Recommended Elliptic Curve Domain Parameters_.
  * https://www.secg.org/sec2-v2.pdf
+ *
+ * \note For secp224k1, the bit-size is 225 (size of a private value).
  */
 #define PSA_ECC_FAMILY_SECP_K1           ((psa_ecc_family_t) 0x17)