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-rw-r--r--block-sha1/sha1.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/block-sha1/sha1.h b/block-sha1/sha1.h
index 4df6747..9fb0441 100644
--- a/block-sha1/sha1.h
+++ b/block-sha1/sha1.h
@@ -13,7 +13,7 @@ typedef struct {
} blk_SHA_CTX;
void blk_SHA1_Init(blk_SHA_CTX *ctx);
-void blk_SHA1_Update(blk_SHA_CTX *ctx, const void *dataIn, unsigned long len);
+void blk_SHA1_Update(blk_SHA_CTX *ctx, const void *dataIn, size_t len);
void blk_SHA1_Final(unsigned char hashout[20], blk_SHA_CTX *ctx);
#define platform_SHA_CTX blk_SHA_CTX