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Ignore plaintext length for CCM*-no-tag.

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Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
This commit is contained in:
Mateusz Starzyk
2021-10-13 13:37:30 +02:00
parent e23bba04ee
commit bb2ced33dd
2 changed files with 22 additions and 4 deletions
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4
include/mbedtls/ccm.h
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@ -198,6 +198,7 @@ int mbedtls_ccm_encrypt_and_tag( mbedtls_ccm_context *ctx, size_t length,
* \param ctx The CCM context to use for encryption. This must be
* initialized and bound to a key.
* \param length The length of the input data in Bytes.
* For tag length = 0, input length is ignored.
* \param iv The initialization vector (nonce). This must be a readable
* buffer of at least \p iv_len Bytes.
* \param iv_len The length of the nonce in Bytes: 7, 8, 9, 10, 11, 12,
@ -207,6 +208,7 @@ int mbedtls_ccm_encrypt_and_tag( mbedtls_ccm_context *ctx, size_t length,
* at least \p ad_len Bytes.
* \param ad_len The length of additional data in Bytes.
* This must be less than 2^16 - 2^8.
* For tag length = 0, AD length can be 0.
* \param input The buffer holding the input data. If \p length is greater
* than zero, \p input must be a readable buffer of at least
* that length.
@ -279,6 +281,7 @@ int mbedtls_ccm_auth_decrypt( mbedtls_ccm_context *ctx, size_t length,
* \param ctx The CCM context to use for decryption. This must be
* initialized and bound to a key.
* \param length The length of the input data in Bytes.
* For tag length = 0, input length is ignored.
* \param iv The initialization vector (nonce). This must be a readable
* buffer of at least \p iv_len Bytes.
* \param iv_len The length of the nonce in Bytes: 7, 8, 9, 10, 11, 12,
@ -288,6 +291,7 @@ int mbedtls_ccm_auth_decrypt( mbedtls_ccm_context *ctx, size_t length,
* at least that \p ad_len Bytes.
* \param ad_len The length of additional data in Bytes.
* This must be less than 2^16 - 2^8.
* For tag length = 0, AD length can be 0.
* \param input The buffer holding the input data. If \p length is greater
* than zero, \p input must be a readable buffer of at least
* that length.