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Document reasons for MBEDTLS_ERR_GCM_BAD_INPUT in update and finish

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2021-05-18 21:02:52 +02:00
parent 8e8cdd150a
commit d9380b5270
1 changed files with 7 additions and 2 deletions
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9
include/mbedtls/gcm.h
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@ -312,7 +312,10 @@ int mbedtls_gcm_update_ad( mbedtls_gcm_context *ctx,
* unspecified.
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_GCM_BAD_INPUT on failure.
* \return #MBEDTLS_ERR_GCM_BAD_INPUT on failure:
* total input length too long,
* unsupported input/output buffer overlap detected,
* or \p output_size too small.
*/
int mbedtls_gcm_update( mbedtls_gcm_context *ctx,
const unsigned char *input, size_t input_length,
@ -343,7 +346,9 @@ int mbedtls_gcm_update( mbedtls_gcm_context *ctx,
* Alternative implementations may require a 15-byte buffer.
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_GCM_BAD_INPUT on failure.
* \return #MBEDTLS_ERR_GCM_BAD_INPUT on failure:
* invalid value of \p tag_len,
* or \p output_len too small.
*/
int mbedtls_gcm_finish( mbedtls_gcm_context *ctx,
unsigned char *output, size_t output_len,