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Add missing tag_len in ccm api.

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Function ccm_set_lengths requires tag_len argument for
the B[0] calculation.

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
This commit is contained in:
Mateusz Starzyk 2021-06-23 10:45:14 +02:00
parent 36ff66c4b4
commit 98d45b90b0
1 changed files with 5 additions and 1 deletions
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6
include/mbedtls/ccm.h
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@ -345,6 +345,9 @@ int mbedtls_ccm_starts( mbedtls_ccm_context *ctx,
* \param plaintext_len The length in bytes of the plaintext to encrypt or
* result of the decryption (thus not encompassing the
* additional data that are not encrypted).
* \param tag_len The length of the tag to generate in Bytes:
* 4, 6, 8, 10, 12, 14 or 16.
* For CCM*, zero is also valid.
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_CCM_BAD_INPUT on failure:
@ -353,7 +356,8 @@ int mbedtls_ccm_starts( mbedtls_ccm_context *ctx,
*/
int mbedtls_ccm_set_lengths( mbedtls_ccm_context *ctx,
size_t total_ad_len,
size_t plaintext_len );
size_t plaintext_len,
size_t tag_len );
/**
* \brief This function feeds an input buffer as associated data