From f91d0a2925145e7754eb398ce47514f47b7e5be4 Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Thu, 4 Jul 2024 14:49:20 -0700
Subject: [PATCH] Remove hash type check not required for ECDSA deterministic
 k. Fix `_HMAC_K` devId.

---
 wolfcrypt/src/ecc.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/wolfcrypt/src/ecc.c b/wolfcrypt/src/ecc.c
index b4e8913349..4bf97bd095 100644
--- a/wolfcrypt/src/ecc.c
+++ b/wolfcrypt/src/ecc.c
@@ -7482,7 +7482,7 @@ static int _HMAC_K(byte* K, word32 KSz, byte* V, word32 VSz,
     Hmac hmac;
     int  ret, init;
 
-    ret = init = wc_HmacInit(&hmac, heap, 0);
+    ret = init = wc_HmacInit(&hmac, heap, INVALID_DEVID);
     if (ret == 0)
         ret = wc_HmacSetKey(&hmac, hashType, K, KSz);
 
@@ -7561,14 +7561,6 @@ int wc_ecc_gen_deterministic_k(const byte* hash, word32 hashSz,
         }
     }
 
-    /* For deterministic k only SHA2-256, SHA2-384 and SHA2-512 are supported */
-    if ( hashType != WC_HASH_TYPE_SHA256 &&
-         hashType != WC_HASH_TYPE_SHA384 &&
-         hashType != WC_HASH_TYPE_SHA512) {
-        WOLFSSL_MSG("Invalid deterministic hash type");
-        return BAD_FUNC_ARG;
-    }
-
     if (mp_unsigned_bin_size(priv) > MAX_ECC_BYTES) {
         WOLFSSL_MSG("private key larger than max expected!");
         return BAD_FUNC_ARG;