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Added comment about curl code

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This commit is contained in:
Dennis Heimbigner 2023-05-01 16:34:57 -06:00
parent 681abc3fb1
commit b1b1a3e9c0
1 changed files with 19 additions and 4 deletions
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23
libdispatch/nch5s3comms.c
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@ -36,12 +36,27 @@
* - rename H5FD_s3comms to NCH5_s3comms to avoid name conflicts
* - Remove HDF5 dependencies
* - Support zmap API
*
* Note that this code is very ugly because it is the bastard
* child of the HDF5 coding style and the NetCDF-C coding style
* and some libcurl as well.
*
* A note about the nccurl_hmac.c and nccurl_sha256.c files.
* The code in this file depends on having access to two
* cryptographic functions:
* 1. HMAC signing function
* 2. SHA256 digest function
*
* There are a number of libraries providing these functions.
* For example, OPENSSL, WOLFSSL, GNUTLS, Windows crypto package
* etc. It turns out that libcurl has identified all of these
* possible sources and set up a wrapper to handle the
* possibilities. So, this code copies the libcurl wrapper to
* inherit its multi-source capabilities.
*
* Author: Dennis Heimbigner
* Creation Date: 2/12/2023
* Last Modified: 2/12/2023
*
* Note that this code is very ugly because it is the bastard child
* of the HDF5 coding style and the NetCDF-C coding style.
* Last Modified: 5/1/2023
*/
/****************/