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Merge pull request #167 from adrianlshaw/document_algorithms2

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Documented some algorithms
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Gilles Peskine 2019-07-12 11:03:40 +02:00 committed by GitHub
parent 93fe3a1a8f 2282cfa660
commit 1168ef947b
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 18 additions and 15 deletions
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19
include/psa/crypto_values.h
View file

@ -837,9 +837,14 @@
(((mac_alg) & PSA_ALG_MAC_TRUNCATION_MASK) >> PSA_MAC_TRUNCATION_OFFSET) (((mac_alg) & PSA_ALG_MAC_TRUNCATION_MASK) >> PSA_MAC_TRUNCATION_OFFSET)
#define PSA_ALG_CIPHER_MAC_BASE ((psa_algorithm_t)0x02c00000) #define PSA_ALG_CIPHER_MAC_BASE ((psa_algorithm_t)0x02c00000)
/** The CBC-MAC construction over a block cipher
*
* \warning CBC-MAC is insecure in many cases.
* A more secure mode, such as #PSA_ALG_CMAC, is recommended.
*/
#define PSA_ALG_CBC_MAC ((psa_algorithm_t)0x02c00001) #define PSA_ALG_CBC_MAC ((psa_algorithm_t)0x02c00001)
/** The CMAC construction over a block cipher */
#define PSA_ALG_CMAC ((psa_algorithm_t)0x02c00002) #define PSA_ALG_CMAC ((psa_algorithm_t)0x02c00002)
#define PSA_ALG_GMAC ((psa_algorithm_t)0x02c00003)
/** Whether the specified algorithm is a MAC algorithm based on a block cipher. /** Whether the specified algorithm is a MAC algorithm based on a block cipher.
* *
@ -897,8 +902,16 @@
*/ */
#define PSA_ALG_CTR ((psa_algorithm_t)0x04c00001) #define PSA_ALG_CTR ((psa_algorithm_t)0x04c00001)
/** The CFB stream cipher mode.
*
* The underlying block cipher is determined by the key type.
*/
#define PSA_ALG_CFB ((psa_algorithm_t)0x04c00002) #define PSA_ALG_CFB ((psa_algorithm_t)0x04c00002)
/** The OFB stream cipher mode.
*
* The underlying block cipher is determined by the key type.
*/
#define PSA_ALG_OFB ((psa_algorithm_t)0x04c00003) #define PSA_ALG_OFB ((psa_algorithm_t)0x04c00003)
/** The XTS cipher mode. /** The XTS cipher mode.
@ -942,10 +955,14 @@
(PSA_ALG_CATEGORY_AEAD | PSA_ALG_AEAD_FROM_BLOCK_FLAG)) (PSA_ALG_CATEGORY_AEAD | PSA_ALG_AEAD_FROM_BLOCK_FLAG))
/** The CCM authenticated encryption algorithm. /** The CCM authenticated encryption algorithm.
*
* The underlying block cipher is determined by the key type.
*/ */
#define PSA_ALG_CCM ((psa_algorithm_t)0x06401001) #define PSA_ALG_CCM ((psa_algorithm_t)0x06401001)
/** The GCM authenticated encryption algorithm. /** The GCM authenticated encryption algorithm.
*
* The underlying block cipher is determined by the key type.
*/ */
#define PSA_ALG_GCM ((psa_algorithm_t)0x06401002) #define PSA_ALG_GCM ((psa_algorithm_t)0x06401002)

2
library/psa_crypto.c
View file

@ -2005,8 +2005,6 @@ static const mbedtls_cipher_info_t *mbedtls_cipher_info_from_psa(
} }
else if( alg == PSA_ALG_CMAC ) else if( alg == PSA_ALG_CMAC )
mode = MBEDTLS_MODE_ECB; mode = MBEDTLS_MODE_ECB;
else if( alg == PSA_ALG_GMAC )
mode = MBEDTLS_MODE_GCM;
else else
return( NULL ); return( NULL );

12
tests/suites/test_suite_psa_crypto_metadata.data
View file

@ -150,18 +150,6 @@ MAC: CMAC-3DES
depends_on:MBEDTLS_DES_C:MBEDTLS_CMAC_C depends_on:MBEDTLS_DES_C:MBEDTLS_CMAC_C
mac_algorithm:PSA_ALG_CMAC:ALG_IS_BLOCK_CIPHER_MAC:8:PSA_KEY_TYPE_DES:192 mac_algorithm:PSA_ALG_CMAC:ALG_IS_BLOCK_CIPHER_MAC:8:PSA_KEY_TYPE_DES:192
MAC: GMAC-AES-128
depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
mac_algorithm:PSA_ALG_GMAC:ALG_IS_BLOCK_CIPHER_MAC:16:PSA_KEY_TYPE_AES:128
MAC: GMAC-AES-192
depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
mac_algorithm:PSA_ALG_GMAC:ALG_IS_BLOCK_CIPHER_MAC:16:PSA_KEY_TYPE_AES:192
MAC: GMAC-AES-256
depends_on:MBEDTLS_AES_C:MBEDTLS_GCM_C
mac_algorithm:PSA_ALG_GMAC:ALG_IS_BLOCK_CIPHER_MAC:16:PSA_KEY_TYPE_AES:256
Cipher: ARC4 Cipher: ARC4
depends_on:MBEDTLS_ARC4_C depends_on:MBEDTLS_ARC4_C
cipher_algorithm:PSA_ALG_ARC4:ALG_IS_STREAM_CIPHER cipher_algorithm:PSA_ALG_ARC4:ALG_IS_STREAM_CIPHER