X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=crypto%2Fgf128mul.c;h=ecbeaa1f17e1eae7f17b04c05e922283b0472dd1;hb=d1cda4e39638e906f022c8ce56f566b617e1f77e;hp=0a2aadfa1d850378cc2e2ec6884f8b89c2676318;hpb=7e23772f414cdbfb2a08aed237d6e926bb1cb728;p=cascardo%2Flinux.git

diff --git a/crypto/gf128mul.c b/crypto/gf128mul.c
index 0a2aadfa1d85..ecbeaa1f17e1 100644
--- a/crypto/gf128mul.c
+++ b/crypto/gf128mul.c
@@ -142,6 +142,17 @@ static void gf128mul_x_bbe(be128 *r, const be128 *x)
 	r->b = cpu_to_be64((b << 1) ^ _tt);
 }
 
+void gf128mul_x_ble(be128 *r, const be128 *x)
+{
+	u64 a = le64_to_cpu(x->a);
+	u64 b = le64_to_cpu(x->b);
+	u64 _tt = gf128mul_table_bbe[b >> 63];
+
+	r->a = cpu_to_le64((a << 1) ^ _tt);
+	r->b = cpu_to_le64((b << 1) | (a >> 63));
+}
+EXPORT_SYMBOL(gf128mul_x_ble);
+
 static void gf128mul_x8_lle(be128 *x)
 {
 	u64 a = be64_to_cpu(x->a);