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Remove some CCM leftovers

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Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2021-05-21 17:09:21 +01:00
parent 60aa203e30
commit e95259f833
2 changed files with 7 additions and 84 deletions
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15
include/psa/crypto_builtin_composites.h
View File

@ -93,19 +93,10 @@ typedef struct
unsigned int body_started : 1;
uint8_t tag_length;
/* Buffers for AD/data - only required until CCM gets proper multipart
support. */
uint8_t *ad_buffer;
size_t ad_length;
uint8_t *body_buffer;
size_t body_length;
uint8_t *tag_buffer;
/* buffer to store Nonce - only required until CCM and GCM get proper
multipart support. */
/* Buffer to store Nonce - only required until CCM and GCM get proper
* multipart support.*/
uint8_t *nonce;
size_t nonce_length;
@ -126,7 +117,7 @@ typedef struct
} mbedtls_psa_aead_operation_t;
#define MBEDTLS_PSA_AEAD_OPERATION_INIT {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, {0}}
#define MBEDTLS_PSA_AEAD_OPERATION_INIT {0, 0, 0, 0, 0, 0, 0, 0, 0, {0}}
/*
* BEYOND THIS POINT, TEST DRIVER DECLARATIONS ONLY.

70
library/psa_crypto_aead.c
View File

@ -408,22 +408,11 @@ psa_status_t mbedtls_psa_aead_set_nonce(
/* GCM sets nonce once additional data has been supplied */
memcpy( operation->nonce, nonce, nonce_length );
/* We know that nonce size cannot exceed the uint8_t size */
operation->nonce_length = nonce_length;
status = PSA_SUCCESS;
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation->alg == PSA_ALG_CCM )
{
( void ) nonce;
( void ) nonce_length;
return ( PSA_ERROR_NOT_SUPPORTED );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation->alg == PSA_ALG_CHACHA20_POLY1305 )
{
@ -462,7 +451,7 @@ psa_status_t mbedtls_psa_aead_set_lengths(
{
/* Lengths can only be too large for GCM if size_t is bigger than 32
* bits. Without the guard this code will generate warnings on 32bit
builds */
* builds */
#if SIZE_MAX > UINT32_MAX
if( ( (uint64_t) ad_length ) >> 61 != 0 ||
( (uint64_t) plaintext_length ) > 0xFFFFFFFE0ull )
@ -528,16 +517,6 @@ psa_status_t mbedtls_psa_aead_update_ad(
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation->alg == PSA_ALG_CCM )
{
(void) input;
(void) input_length;
return ( PSA_ERROR_NOT_SUPPORTED );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation->alg == PSA_ALG_CHACHA20_POLY1305 )
{
@ -598,16 +577,6 @@ psa_status_t mbedtls_psa_aead_update(
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation->alg == PSA_ALG_CCM )
{
(void) input;
(void) input_length;
return ( PSA_ERROR_NOT_SUPPORTED );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation->alg == PSA_ALG_CHACHA20_POLY1305 )
{
@ -684,20 +653,6 @@ psa_status_t mbedtls_psa_aead_finish(
tag_size ) );
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation->alg == PSA_ALG_CCM )
{
( void ) ciphertext;
( void ) ciphertext_size;
( void ) ciphertext_length;
( void ) tag;
( void ) tag_size;
( void ) tag_length;
return ( PSA_ERROR_NOT_SUPPORTED );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation->alg == PSA_ALG_CHACHA20_POLY1305 )
status = mbedtls_to_psa_error(
@ -736,9 +691,7 @@ psa_status_t mbedtls_psa_aead_verify(
size_t tag_length )
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
size_t finish_output_size = 0;
int do_tag_check = 1;
uint8_t check_tag[PSA_AEAD_TAG_MAX_SIZE];
@ -757,19 +710,6 @@ psa_status_t mbedtls_psa_aead_verify(
operation->tag_length ) );
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation->alg == PSA_ALG_CCM )
{
( void ) plaintext;
( void ) plaintext_size;
( void ) plaintext_length;
( void ) tag;
( void ) tag_length;
return ( PSA_ERROR_NOT_SUPPORTED );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation->alg == PSA_ALG_CHACHA20_POLY1305 )
// call finish to get the tag for comparison.
@ -828,14 +768,6 @@ psa_status_t mbedtls_psa_aead_abort(
operation->ad_started = 0;
operation->body_started = 0;
mbedtls_free( operation->ad_buffer );
operation->ad_buffer = NULL;
operation->ad_length = 0;
mbedtls_free( operation->body_buffer );
operation->body_buffer = NULL;
operation->body_length = 0;
mbedtls_free( operation->tag_buffer );
operation->tag_buffer = NULL;