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-rw-r--r--crypto/gf128mul.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/crypto/gf128mul.c b/crypto/gf128mul.c
index 0a2aadfa1d8..ecbeaa1f17e 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);