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-rw-r--r--include/u-boot/sha1.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/u-boot/sha1.h b/include/u-boot/sha1.h
index b0d9ce9..2634a29 100644
--- a/include/u-boot/sha1.h
+++ b/include/u-boot/sha1.h
@@ -21,6 +21,9 @@ extern "C" {
#define SHA1_SUM_POS -0x20
#define SHA1_SUM_LEN 20
+#define SHA1_DER_LEN 15
+
+extern const uint8_t sha1_der_prefix[];
/**
* \brief SHA-1 context structure