[U-Boot] [RFC PATCH 1/3] u-boot/sha256.h: add SHA256_INIT macro
Rasmus Villemoes
rasmus.villemoes at prevas.dk
Wed Sep 18 22:01:52 UTC 2019
To be used for statically initializing a sha256 context.
Signed-off-by: Rasmus Villemoes <rasmus.villemoes at prevas.dk>
---
include/u-boot/sha256.h | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/include/u-boot/sha256.h b/include/u-boot/sha256.h
index 9aa1251789..10f42091ee 100644
--- a/include/u-boot/sha256.h
+++ b/include/u-boot/sha256.h
@@ -22,4 +22,15 @@ void sha256_finish(sha256_context * ctx, uint8_t digest[SHA256_SUM_LEN]);
void sha256_csum_wd(const unsigned char *input, unsigned int ilen,
unsigned char *output, unsigned int chunk_sz);
+#define SHA256_INIT { \
+ .state[0] = 0x6A09E667, \
+ .state[1] = 0xBB67AE85, \
+ .state[2] = 0x3C6EF372, \
+ .state[3] = 0xA54FF53A, \
+ .state[4] = 0x510E527F, \
+ .state[5] = 0x9B05688C, \
+ .state[6] = 0x1F83D9AB, \
+ .state[7] = 0x5BE0CD19, \
+ }
+
#endif /* _SHA256_H */
--
2.20.1
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