crypto: hash - add zero length message hash for shax and md5

[linux-drm-fsl-dcu.git] / crypto / sha256_generic.c

diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c
index 78431163ed3c77eebb89db84852959cf45aee369..8f9c47e1a96e4792a52454a79312ab6696ede007 100644 (file)
--- a/crypto/sha256_generic.c
+++ b/crypto/sha256_generic.c
@@ -27,6 +27,22 @@
 #include <asm/byteorder.h>
 #include <asm/unaligned.h>
 
+const u8 sha224_zero_message_hash[SHA224_DIGEST_SIZE] = {
+       0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9, 0x47,
+       0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4, 0x15, 0xa2,
+       0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a, 0xc5, 0xb3, 0xe4,
+       0x2f
+};
+EXPORT_SYMBOL_GPL(sha224_zero_message_hash);
+
+const u8 sha256_zero_message_hash[SHA256_DIGEST_SIZE] = {
+       0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14,
+       0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24,
+       0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
+       0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55
+};
+EXPORT_SYMBOL_GPL(sha256_zero_message_hash);
+
 static inline u32 Ch(u32 x, u32 y, u32 z)
 {
        return z ^ (x & (y ^ z));