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Reorder macros for clarity

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Group PSA_AEAD_DECRYPT_OUTPUT_SIZE with PSA_AEAD_ENCRYPT_OUTPUT_SIZE.
This commit is contained in:
Gilles Peskine 2019-05-06 15:45:16 +02:00
parent 679693ee49
commit bdc27860c2
1 changed files with 21 additions and 21 deletions
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42
include/psa/crypto_sizes.h
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@ -268,27 +268,6 @@
(plaintext_length) + PSA_AEAD_TAG_LENGTH(alg) : \
0)
/** The maximum size of the output of psa_aead_finish(), in bytes.
*
* If the size of the ciphertext buffer is at least this large, it is
* guaranteed that psa_aead_finish() will not fail due to an
* insufficient buffer size. Depending on the algorithm, the actual size of
* the ciphertext may be smaller.
*
* \param alg An AEAD algorithm
* (\c PSA_ALG_XXX value such that
* #PSA_ALG_IS_AEAD(\p alg) is true).
*
* \return The maximum trailing ciphertext size for the
* specified algorithm.
* If the AEAD algorithm is not recognized, return 0.
* An implementation may return either 0 or a
* correct size for an AEAD algorithm that it
* recognizes, but does not support.
*/
#define PSA_AEAD_FINISH_OUTPUT_SIZE(alg) \
((size_t)0)
/** The maximum size of the output of psa_aead_decrypt(), in bytes.
*
* If the size of the plaintext buffer is at least this large, it is
@ -313,6 +292,27 @@
(plaintext_length) - PSA_AEAD_TAG_LENGTH(alg) : \
0)
/** The maximum size of the output of psa_aead_finish(), in bytes.
*
* If the size of the ciphertext buffer is at least this large, it is
* guaranteed that psa_aead_finish() will not fail due to an
* insufficient buffer size. Depending on the algorithm, the actual size of
* the ciphertext may be smaller.
*
* \param alg An AEAD algorithm
* (\c PSA_ALG_XXX value such that
* #PSA_ALG_IS_AEAD(\p alg) is true).
*
* \return The maximum trailing ciphertext size for the
* specified algorithm.
* If the AEAD algorithm is not recognized, return 0.
* An implementation may return either 0 or a
* correct size for an AEAD algorithm that it
* recognizes, but does not support.
*/
#define PSA_AEAD_FINISH_OUTPUT_SIZE(alg) \
((size_t)0)
#define PSA_RSA_MINIMUM_PADDING_SIZE(alg) \
(PSA_ALG_IS_RSA_OAEP(alg) ? \
2 * PSA_HASH_SIZE(PSA_ALG_RSA_OAEP_GET_HASH(alg)) + 1 : \