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Rename _MINIMUM_LENGTH flags to _AT_LEAST_THIS_LENGTH

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Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman
2021-02-22 19:59:35 +01:00
parent 4400c3a44a
commit d927ed7901
4 changed files with 40 additions and 40 deletions
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52
include/psa/crypto_values.h
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@ -866,6 +866,13 @@
#define PSA_ALG_MAC_TRUNCATION_MASK ((psa_algorithm_t)0x003f0000)
#define PSA_MAC_TRUNCATION_OFFSET 16
/* In the encoding of a MAC algorithm, the bit corresponding to
* #PSA_ALG_MAC_AT_LEAST_THIS_LENGTH_FLAG encodes the fact that the algorithm
* is a wildcard algorithm, which allows any algorithm corresponding to the
* same base class and having a (potentially truncated) MAC length greater or
* equal than the one encoded in #PSA_ALG_MAC_TRUNCATION_MASK. */
#define PSA_ALG_MAC_AT_LEAST_THIS_LENGTH_FLAG ((psa_algorithm_t)0x00008000)
/** Macro to build a truncated MAC algorithm.
*
* A truncated MAC algorithm is identical to the corresponding MAC
@ -900,7 +907,7 @@
* too large for the specified MAC algorithm.
*/
#define PSA_ALG_TRUNCATED_MAC(mac_alg, mac_length) \
(((mac_alg) & ~(PSA_ALG_MAC_TRUNCATION_MASK | PSA_ALG_MAC_MINIMUM_LENGTH_FLAG)) | \
(((mac_alg) & ~(PSA_ALG_MAC_TRUNCATION_MASK | PSA_ALG_MAC_AT_LEAST_THIS_LENGTH_FLAG)) | \
((mac_length) << PSA_MAC_TRUNCATION_OFFSET & PSA_ALG_MAC_TRUNCATION_MASK))
/** Macro to build the base MAC algorithm corresponding to a truncated
@ -916,7 +923,7 @@
* MAC algorithm.
*/
#define PSA_ALG_FULL_LENGTH_MAC(mac_alg) \
((mac_alg) & ~(PSA_ALG_MAC_TRUNCATION_MASK | PSA_ALG_MAC_MINIMUM_LENGTH_FLAG))
((mac_alg) & ~(PSA_ALG_MAC_TRUNCATION_MASK | PSA_ALG_MAC_AT_LEAST_THIS_LENGTH_FLAG))
/** Length to which a MAC algorithm is truncated.
*
@ -932,13 +939,6 @@
#define PSA_MAC_TRUNCATED_LENGTH(mac_alg) \
(((mac_alg) & PSA_ALG_MAC_TRUNCATION_MASK) >> PSA_MAC_TRUNCATION_OFFSET)
/* In the encoding of a MAC algorithm, the bit corresponding to
* #PSA_ALG_MAC_MINIMUM_LENGTH_FLAG encodes the fact that the algorithm is
* a wildcard algorithm, which allows any algorithm corresponding to the same
* base class and having a (potentially truncated) MAC length greater or equal
* than the one encoded in #PSA_ALG_MAC_TRUNCATION_MASK. */
#define PSA_ALG_MAC_MINIMUM_LENGTH_FLAG ((psa_algorithm_t)0x00008000)
/** Macro to build a MAC minimum-MAC-length wildcard algorithm.
*
* A mininimum-MAC-length MAC wildcard algorithm permits all MAC algorithms
@ -964,7 +964,7 @@
* too large for the specified MAC algorithm.
*/
#define PSA_ALG_AT_LEAST_THIS_LENGTH_MAC(mac_alg, min_mac_length) \
( PSA_ALG_TRUNCATED_MAC(mac_alg, min_mac_length) | PSA_ALG_MAC_MINIMUM_LENGTH_FLAG )
( PSA_ALG_TRUNCATED_MAC(mac_alg, min_mac_length) | PSA_ALG_MAC_AT_LEAST_THIS_LENGTH_FLAG )
#define PSA_ALG_CIPHER_MAC_BASE ((psa_algorithm_t)0x03c00000)
/** The CBC-MAC construction over a block cipher
@ -1126,6 +1126,13 @@
#define PSA_ALG_AEAD_TAG_LENGTH_MASK ((psa_algorithm_t)0x003f0000)
#define PSA_AEAD_TAG_LENGTH_OFFSET 16
/* In the encoding of an AEAD algorithm, the bit corresponding to
* #PSA_ALG_AEAD_AT_LEAST_THIS_LENGTH_FLAG encodes the fact that the algorithm
* is a wildcard algorithm, which allows any algorithm corresponding to the
* same base class and having a tag length greater than or equal to the one
* encoded in #PSA_ALG_AEAD_TAG_LENGTH_MASK. */
#define PSA_ALG_AEAD_AT_LEAST_THIS_LENGTH_FLAG ((psa_algorithm_t)0x00008000)
/** Macro to build a shortened AEAD algorithm.
*
* A shortened AEAD algorithm is similar to the corresponding AEAD
@ -1145,7 +1152,7 @@
* for the specified AEAD algorithm.
*/
#define PSA_ALG_AEAD_WITH_SHORTENED_TAG(aead_alg, tag_length) \
(((aead_alg) & ~(PSA_ALG_AEAD_TAG_LENGTH_MASK | PSA_ALG_AEAD_MINIMUM_LENGTH_FLAG)) | \
(((aead_alg) & ~(PSA_ALG_AEAD_TAG_LENGTH_MASK | PSA_ALG_AEAD_AT_LEAST_THIS_LENGTH_FLAG)) | \
((tag_length) << PSA_AEAD_TAG_LENGTH_OFFSET & \
PSA_ALG_AEAD_TAG_LENGTH_MASK))
@ -1183,13 +1190,6 @@
PSA_ALG_AEAD_WITH_SHORTENED_TAG(ref, 0) ? \
ref :
/* In the encoding of an AEAD algorithm, the bit corresponding to
* #PSA_ALG_AEAD_MINIMUM_LENGTH_FLAG encodes the fact that the algorithm is
* a wildcard algorithm, which allows any algorithm corresponding to the same
* base class and having a tag length greater than or equal to the one encoded
* in #PSA_ALG_AEAD_TAG_LENGTH_MASK. */
#define PSA_ALG_AEAD_MINIMUM_LENGTH_FLAG ((psa_algorithm_t)0x00008000)
/** Macro to build an AEAD minimum-tag-length wildcard algorithm.
*
* A mininimum-tag-length AEAD wildcard algorithm permits all AEAD algorithms
@ -1215,7 +1215,7 @@
* or too large for the specified AEAD algorithm.
*/
#define PSA_ALG_AEAD_WITH_AT_LEAST_THIS_LENGTH_TAG(aead_alg, min_tag_length) \
( PSA_ALG_AEAD_WITH_SHORTENED_TAG(aead_alg, min_tag_length) | PSA_ALG_AEAD_MINIMUM_LENGTH_FLAG )
( PSA_ALG_AEAD_WITH_SHORTENED_TAG(aead_alg, min_tag_length) | PSA_ALG_AEAD_AT_LEAST_THIS_LENGTH_FLAG )
#define PSA_ALG_RSA_PKCS1V15_SIGN_BASE ((psa_algorithm_t)0x06000200)
/** RSA PKCS#1 v1.5 signature with hashing.
@ -1663,13 +1663,13 @@
* \return This macro may return either 0 or 1 if \c alg is not a supported
* algorithm identifier.
*/
#define PSA_ALG_IS_WILDCARD(alg) \
(PSA_ALG_IS_HASH_AND_SIGN(alg) ? \
PSA_ALG_SIGN_GET_HASH(alg) == PSA_ALG_ANY_HASH : \
PSA_ALG_IS_MAC(alg) ? \
(alg & PSA_ALG_MAC_MINIMUM_LENGTH_FLAG) != 0 : \
PSA_ALG_IS_AEAD(alg) ? \
(alg & PSA_ALG_AEAD_MINIMUM_LENGTH_FLAG) != 0 : \
#define PSA_ALG_IS_WILDCARD(alg) \
(PSA_ALG_IS_HASH_AND_SIGN(alg) ? \
PSA_ALG_SIGN_GET_HASH(alg) == PSA_ALG_ANY_HASH : \
PSA_ALG_IS_MAC(alg) ? \
(alg & PSA_ALG_MAC_AT_LEAST_THIS_LENGTH_FLAG) != 0 : \
PSA_ALG_IS_AEAD(alg) ? \
(alg & PSA_ALG_AEAD_AT_LEAST_THIS_LENGTH_FLAG) != 0 : \
(alg) == PSA_ALG_ANY_HASH)
/**@}*/