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add comments for SHA1 function

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Jacob Barthelmeh
2017-05-09 15:45:28 -06:00
parent 479b7e5ca8
commit a18c1abc13
1 changed files with 11 additions and 0 deletions
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src/ssl.c
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@ -28708,6 +28708,17 @@ void* wolfSSL_GetDhAgreeCtx(WOLFSSL* ssl)
defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || defined(HAVE_POCO_LIB) \ defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || defined(HAVE_POCO_LIB) \
|| defined(WOLFSSL_HAPROXY) || defined(OPENSSL_EXTRA) || defined(WOLFSSL_HAPROXY) || defined(OPENSSL_EXTRA)
/* One shot SHA1 hash of message.
*
* d message to hash
* n size of d buffer
* md buffer to hold digest. Should be SHA_DIGEST_SIZE.
*
* Note: if md is null then a static buffer of SHA_DIGEST_SIZE is used.
* When the static buffer is used this function is not thread safe.
*
* Returns a pointer to the message digest on success and NULL on failure.
*/
unsigned char *wolfSSL_SHA1(const unsigned char *d, size_t n, unsigned char *md) unsigned char *wolfSSL_SHA1(const unsigned char *d, size_t n, unsigned char *md)
{ {
static byte dig[SHA_DIGEST_SIZE]; static byte dig[SHA_DIGEST_SIZE];