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Replace allocated hash buffer with array

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Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2023-02-07 17:32:04 +00:00
parent b830b35fb1
commit 84329464d5
2 changed files with 2 additions and 20 deletions
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4
include/psa/crypto_builtin_composites.h
View File

@ -120,7 +120,7 @@ typedef struct {
size_t MBEDTLS_PRIVATE(coordinate_bytes);
psa_algorithm_t MBEDTLS_PRIVATE(alg);
mbedtls_md_type_t MBEDTLS_PRIVATE(md_alg);
uint8_t *MBEDTLS_PRIVATE(hash);
uint8_t MBEDTLS_PRIVATE(hash)[PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS)];
size_t MBEDTLS_PRIVATE(hash_length);
#else
@ -150,7 +150,7 @@ typedef struct {
mbedtls_ecdsa_context *MBEDTLS_PRIVATE(ctx);
mbedtls_ecdsa_restart_ctx MBEDTLS_PRIVATE(restart_ctx);
uint8_t *MBEDTLS_PRIVATE(hash);
uint8_t MBEDTLS_PRIVATE(hash)[PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS)];
size_t MBEDTLS_PRIVATE(hash_length);
mbedtls_mpi MBEDTLS_PRIVATE(r);

18
library/psa_crypto.c
View File

@ -3561,12 +3561,6 @@ psa_status_t mbedtls_psa_sign_hash_start(
operation->md_alg = mbedtls_hash_info_md_from_psa(hash_alg);
operation->alg = alg;
operation->hash = mbedtls_calloc(1, hash_length);
if (operation->hash == NULL) {
return PSA_ERROR_INSUFFICIENT_MEMORY;
}
memcpy(operation->hash, hash, hash_length);
operation->hash_length = hash_length;
@ -3698,9 +3692,6 @@ psa_status_t mbedtls_psa_sign_hash_abort(
operation->ctx = NULL;
}
mbedtls_free(operation->hash);
operation->hash = NULL;
mbedtls_ecdsa_restart_free(&operation->restart_ctx);
return PSA_SUCCESS;
@ -3789,12 +3780,6 @@ psa_status_t mbedtls_psa_verify_hash_start(
mbedtls_ecdsa_restart_init(&operation->restart_ctx);
operation->hash = mbedtls_calloc(1, hash_length);
if (operation->hash == NULL) {
return PSA_ERROR_INSUFFICIENT_MEMORY;
}
memcpy(operation->hash, hash, hash_length);
operation->hash_length = hash_length;
@ -3858,9 +3843,6 @@ psa_status_t mbedtls_psa_verify_hash_abort(
operation->ctx = NULL;
}
mbedtls_free(operation->hash);
operation->hash = NULL;
mbedtls_ecdsa_restart_free(&operation->restart_ctx);
mbedtls_mpi_free(&operation->r);