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-rw-r--r--ext/digest/sha1/sha1init.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/ext/digest/sha1/sha1init.c b/ext/digest/sha1/sha1init.c
index e56f18bf632..60fb457bf90 100644
--- a/ext/digest/sha1/sha1init.c
+++ b/ext/digest/sha1/sha1init.c
@@ -16,6 +16,11 @@ static algo_t sha1 = {
(hash_finish_func_t)SHA1_Finish,
};
+/*
+ * A class for calculating message digests using the SHA-1 Secure Hash
+ * Algorithm by NIST (the US' National Institute of Standards and
+ * Technology), described in FIPS PUB 180-1.
+ */
void
Init_sha1()
{