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PSA_MAC_FINAL_SIZE: we don't use key_bits at the moment

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None of the currently defined MAC algorithms have a MAC size that
depends on the key size, so the key_bits parameter is unused. The
key_type parameter may be unused on an implementation where there is
no block cipher MAC. Declare the key_type and key_bits parameters as
used so that callers who define a variable just for this don't risk
getting "unused variable" warnings.
This commit is contained in:
Gilles Peskine 2018-08-22 18:26:02 +02:00
parent 00709fafb8
commit 35fe2034c1
1 changed files with 1 additions and 1 deletions
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2
include/psa/crypto_sizes.h
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@ -162,7 +162,7 @@
#define PSA_MAC_FINAL_SIZE(key_type, key_bits, alg) \
(PSA_ALG_IS_HMAC(alg) ? PSA_HASH_SIZE(PSA_ALG_HMAC_GET_HASH(alg)) : \
PSA_ALG_IS_BLOCK_CIPHER_MAC(alg) ? PSA_BLOCK_CIPHER_BLOCK_SIZE(key_type) : \
0)
((void)(key_type), (void)(key_bits), 0))
/** The maximum size of the output of psa_aead_encrypt(), in bytes.
*