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common: Add new function b64decode.

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* common/b64dec.c (b64decode): New.
* common/t-b64.c: Change license to LGPL.
(oops): New macro.
(hex2buffer): New.
(test_b64decode): New.
(main): Default to run the new test.
* common/Makefile.am (module_maint_tests): Move t-b64 to ...
(module_tests): here.
--

Sometimes we have a short base64 encoded string we need todecode.
This function makes it simpler.

License change of the test module justified because I am the single
author of the code.
This commit is contained in:
Werner Koch 2023-09-29 11:34:06 +02:00
parent a5e33618f4
commit 52b7a60cf9
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5 changed files with 168 additions and 18 deletions
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common/util.h
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@ -171,6 +171,8 @@ gpg_error_t b64dec_start (struct b64state *state, const char *title);
gpg_error_t b64dec_proc (struct b64state *state, void *buffer, size_t length,
size_t *r_nbytes);
gpg_error_t b64dec_finish (struct b64state *state);
gpg_error_t b64decode (const char *string, const char *title,
void **r_buffer, size_t *r_buflen);
/*-- sexputil.c */
char *canon_sexp_to_string (const unsigned char *canon, size_t canonlen);