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sys/psa_crypto: Implement PSA_HASH_BLOCK_LENGTH()

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The initial implementation was inspired by MbedTLS, with the
addition of the MD2 and MD4 algorithms.

Signed-off-by: Armin Wolf <W_Armin@gmx.de>
This commit is contained in:
Armin Wolf 2024-05-25 00:49:53 +02:00
parent cf66f712a6
commit 98d268040a
1 changed files with 18 additions and 1 deletions
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19
sys/include/psa_crypto/psa/crypto_sizes.h
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@ -367,7 +367,24 @@ extern "C" {
* 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) /* implementation-defined value */
#define PSA_HASH_BLOCK_LENGTH(alg) \
( \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_MD2 ? 16 : \
PSA_ALG_HMAC_GET_HASH(alg) == PSA_ALG_MD4 ? 64 : \
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)
/**
* @brief The size of the output of @ref psa_hash_compute() and @ref psa_hash_finish(), in bytes.