1 files changed, 12 insertions, 0 deletions
diff --git a/lib/vtls/openssl.c b/lib/vtls/openssl.c
index 37d50cb60..e41499f90 100644
--- a/lib/vtls/openssl.c
+++ b/lib/vtls/openssl.c
@@ -3183,6 +3183,18 @@ void Curl_ossl_md5sum(unsigned char *tmp, /* input */
   MD5_Final(md5sum, &MD5pw);
 }
 
+void Curl_ossl_sha256sum(const unsigned char *tmp, /* input */
+                      size_t tmplen,
+                      unsigned char *sha256sum /* output */,
+                      size_t unused)
+{
+  SHA256_CTX SHA256pw;
+  (void)unused;
+  SHA256_Init(&SHA256pw);
+  SHA256_Update(&SHA256pw, tmp, tmplen);
+  SHA256_Final(sha256sum, &SHA256pw);
+}
+
 bool Curl_ossl_cert_status_request(void)
 {
 #if (OPENSSL_VERSION_NUMBER >= 0x0090808fL) && !defined(OPENSSL_NO_TLSEXT) && \