Make OBJ_NAME case insensitive.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7089)

1 files changed, 23 insertions, 0 deletions

diff --git a/crypto/lhash/lhash.c b/crypto/lhash/lhash.c
index f7ac9d02f5..8d9f933df3 100644
--- a/crypto/lhash/lhash.c
+++ b/crypto/lhash/lhash.c
@@ -13,6 +13,8 @@
 #include <openssl/crypto.h>
 #include <openssl/lhash.h>
 #include <openssl/err.h>
+#include "internal/ctype.h"
+#include "internal/lhash.h"
 #include "lhash_lcl.h"
 
 /*
@@ -349,6 +351,27 @@ unsigned long OPENSSL_LH_strhash(const char *c)
     return (ret >> 16) ^ ret;
 }
 
+unsigned long openssl_lh_strcasehash(const char *c)
+{
+    unsigned long ret = 0;
+    long n;
+    unsigned long v;
+    int r;
+
+    if (c == NULL || *c == '\0')
+        return ret;
+
+    for (n = 0x100; *c != '\0'; n += 0x100) {
+        v = n | ossl_tolower(*c);
+        r = (int)((v >> 2) ^ v) & 0x0f;
+        ret = (ret << r) | (ret >> (32 - r));
+        ret &= 0xFFFFFFFFL;
+        ret ^= v * v;
+        c++;
+    }
+    return (ret >> 16) ^ ret;
+}
+
 unsigned long OPENSSL_LH_num_items(const OPENSSL_LHASH *lh)
 {
     return lh ? lh->num_items : 0;