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docs(auth): add auth_decrypt in CM chapter

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The call to REGISTER_CRYPTO_LIB requires auth_decrypt function to be
provided. Add its prototype and update REGISTER_CRYPTO_LIB call.

Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Change-Id: Id1f2a54867ffe5dec36e0bf22490d01858891585
This commit is contained in:
Yann Gautier 2023-01-24 09:23:10 +01:00 • committed by Manish V Badarkhe
parent f1e693a775
commit 0ca7b32623
1 changed files with 7 additions and 1 deletions
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8
docs/design/auth-framework.rst
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@ -241,6 +241,11 @@ functions must be provided by the CL:
unsigned char output[CRYPTO_MD_MAX_SIZE])
int (*verify_hash)(void *data_ptr, unsigned int data_len,
void *digest_info_ptr, unsigned int digest_info_len);
int (*auth_decrypt)(enum crypto_dec_algo dec_algo, void *data_ptr,
size_t len, const void *key, unsigned int key_len,
unsigned int key_flags, const void *iv,
unsigned int iv_len, const void *tag,
unsigned int tag_len);
These functions are registered in the CM using the macro:
@ -250,7 +255,8 @@ These functions are registered in the CM using the macro:
_init,
_verify_signature,
_calc_hash,
_verify_hash);
_verify_hash,
_auth_decrypt);
``_name`` must be a string containing the name of the CL. This name is used for
debugging purposes.