From 9c4ef7cd30a4a2ce47045df2680f93f958875eb4 Mon Sep 17 00:00:00 2001
From: Eric Blankenhorn <eric@wolfssl.com>
Date: Mon, 20 Jan 2025 08:40:36 -0600
Subject: [PATCH] Use BUFFER_E instead of ASN_PARSE_E when buffer is too small

---
 tests/api.c         | 4 ++--
 wolfcrypt/src/asn.c | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/tests/api.c b/tests/api.c
index 05ad9486fa..f29417c39e 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -26522,9 +26522,9 @@ static int test_wc_ecc_rs_to_sig(void)
         WC_NO_ERR_TRACE(ECC_BAD_ARG_E));
 #if !defined(HAVE_SELFTEST) && !defined(HAVE_FIPS)
     ExpectIntEQ(wc_ecc_sig_to_rs(sig, siglen, r, &zeroLen, s, &slen),
-        WC_NO_ERR_TRACE(ASN_PARSE_E));
+        WC_NO_ERR_TRACE(BUFFER_E));
     ExpectIntEQ(wc_ecc_sig_to_rs(sig, siglen, r, &rlen, s, &zeroLen),
-        WC_NO_ERR_TRACE(ASN_PARSE_E));
+        WC_NO_ERR_TRACE(BUFFER_E));
 #endif
 #endif
     return EXPECT_RESULT();
diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
index 2f8b6b9116..63fb174ffc 100644
--- a/wolfcrypt/src/asn.c
+++ b/wolfcrypt/src/asn.c
@@ -1300,7 +1300,7 @@ static int GetASN_StoreData(const ASNItem* asn, ASNGetData* data,
                 WOLFSSL_MSG_VSNPRINTF("Buffer too small for data: %d %d", len,
                         *data->data.buffer.length);
             #endif
-                return ASN_PARSE_E;
+                return BUFFER_E;
             }
             /* Copy in data and record actual length seen. */
             XMEMCPY(data->data.buffer.data, input + idx, (size_t)len);
@@ -33784,7 +33784,7 @@ int DecodeECC_DSA_Sig_Bin(const byte* sig, word32 sigLen, byte* r, word32* rLen,
             *rLen = (word32)len;
         else {
             /* Buffer too small to hold r value */
-            return ASN_PARSE_E;
+            return BUFFER_E;
         }
     }
     if (r)
@@ -33798,8 +33798,8 @@ int DecodeECC_DSA_Sig_Bin(const byte* sig, word32 sigLen, byte* r, word32* rLen,
         if (*sLen >= (word32)len)
             *sLen = (word32)len;
         else {
-            /* Buffer too small to hold r value */
-            return ASN_PARSE_E;
+            /* Buffer too small to hold s value */
+            return BUFFER_E;
         }
     }
     if (s)