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Add missing PSA_HASH_BLOCK_LENGTH macro.

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Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
This commit is contained in:
Mateusz Starzyk 2021-08-26 13:28:46 +02:00 committed by Gilles Peskine
parent 359b5ab6ea
commit 7d262dd1ee
1 changed files with 32 additions and 0 deletions
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32
include/psa/crypto_sizes.h
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@ -79,6 +79,38 @@
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA3_512 ? 64 : \
0)
/** The input block size of a hash algorithm, in bytes.
*
* Hash algorithms process their input data in blocks. Hash operations will
* retain any partial blocks until they have enough input to fill the block or
* until the operation is finished.
* This affects the output from psa_hash_suspend().
*
* \param alg A hash algorithm (\c PSA_ALG_XXX value such that
* PSA_ALG_IS_HASH(\p alg) is true).
*
* \return The block size in bytes for the specified hash algorithm.
* If the hash algorithm is not recognized, return 0.
* An implementation can return either 0 or the correct size for a
* hash algorithm that it recognizes, but does not support.
*/
#define PSA_HASH_BLOCK_LENGTH(alg) \
( \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_MD5 ? 64 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_RIPEMD160 ? 64 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA_1 ? 64 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA_224 ? 64 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA_256 ? 64 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA_384 ? 128 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA_512 ? 128 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA_512_224 ? 128 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA_512_256 ? 128 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA3_224 ? 144 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA3_256 ? 136 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA3_384 ? 104 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_SHA3_512 ? 72 : \
0)
/** \def PSA_HASH_MAX_SIZE
*
* Maximum size of a hash.