1 files changed, 38 insertions, 0 deletions
diff --git a/ssl/ssl_cert.c b/ssl/ssl_cert.c
index d7f6602d50..a87933d1f6 100644
--- a/ssl/ssl_cert.c
+++ b/ssl/ssl_cert.c
@@ -976,3 +976,41 @@ int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, void *other)
     return ctx->cert->sec_cb(NULL, ctx, op, bits, nid, other,
                              ctx->cert->sec_ex);
 }
+
+/*
+ * Certificate table information. NB: table entries must match SSL_PKEY indices
+ */
+static const SSL_CERT_LOOKUP ssl_cert_info [] = {
+    {EVP_PKEY_RSA, SSL_aRSA}, /* SSL_PKEY_RSA */
+    {EVP_PKEY_DSA, SSL_aDSS}, /* SSL_PKEY_DSA_SIGN */
+    {EVP_PKEY_EC, SSL_aECDSA}, /* SSL_PKEY_ECC */
+    {NID_id_GostR3410_2001, SSL_aGOST01}, /* SSL_PKEY_GOST01 */
+    {NID_id_GostR3410_2012_256, SSL_aGOST12}, /* SSL_PKEY_GOST12_256 */
+    {NID_id_GostR3410_2012_512, SSL_aGOST12}, /* SSL_PKEY_GOST12_512 */
+    {EVP_PKEY_ED25519, SSL_aECDSA} /* SSL_PKEY_ED25519 */
+};
+
+const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, size_t *pidx)
+{
+    int nid = EVP_PKEY_id(pk);
+    size_t i;
+
+    if (nid == NID_undef)
+        return NULL;
+
+    for (i = 0; i < OSSL_NELEM(ssl_cert_info); i++) {
+        if (ssl_cert_info[i].nid == nid) {
+            if (pidx != NULL)
+                *pidx = i;
+            return &ssl_cert_info[i];
+        }
+    }
+    return NULL;
+}
+
+const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx)
+{
+    if (idx >= OSSL_NELEM(ssl_cert_info))
+        return 0;
+    return &ssl_cert_info[idx];
+}