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Add multi-part operations for asymmetric signature #335

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Add multi-part operations for asymmetric signature #335

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09e6923
Add missing operation types to the Functionality chapter
athoelke Jan 28, 2026
a2c823f
Add multi-part operations for asymmetric signature
athoelke Jan 28, 2026
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35 changes: 33 additions & 2 deletions doc/crypto/api.db/psa/crypto.h
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: Copyright 2018-2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
// SPDX-FileCopyrightText: Copyright 2018-2026 Arm Limited and/or its affiliates <open-source-office@arm.com>
// SPDX-License-Identifier: Apache-2.0

typedef /* implementation-defined type */ psa_aead_operation_t;
Expand All @@ -24,6 +24,8 @@ typedef uint32_t psa_pake_primitive_t;
typedef uint8_t psa_pake_primitive_type_t;
typedef uint8_t psa_pake_role_t;
typedef uint8_t psa_pake_step_t;
typedef /* implementation-defined type */ psa_sign_operation_t;
typedef /* implementation-defined type */ psa_verify_operation_t;
typedef /* implementation-defined type */ psa_xof_operation_t;
typedef struct psa_custom_key_parameters_t {
uint32_t flags;
Expand Down Expand Up @@ -232,7 +234,7 @@ typedef struct psa_custom_key_parameters_t {
#define PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, input_length) \
/* implementation-defined value */
#define PSA_CRYPTO_API_VERSION_MAJOR 1
#define PSA_CRYPTO_API_VERSION_MINOR 4
#define PSA_CRYPTO_API_VERSION_MINOR 5
#define PSA_CUSTOM_KEY_PARAMETERS_INIT { 0 }
#define PSA_DH_FAMILY_RFC3526 ((psa_dh_family_t) 0x05)
#define PSA_DH_FAMILY_RFC7919 ((psa_dh_family_t) 0x03)
Expand Down Expand Up @@ -415,10 +417,12 @@ typedef struct psa_custom_key_parameters_t {
#define PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE(key_type, key_bits) \
/* implementation-defined value */
#define PSA_SIGNATURE_MAX_SIZE /* implementation-defined value */
#define PSA_SIGN_OPERATION_INIT /* implementation-defined value */
#define PSA_SIGN_OUTPUT_SIZE(key_type, key_bits, alg) \
/* implementation-defined value */
#define PSA_TLS12_ECJPAKE_TO_PMS_OUTPUT_SIZE 32
#define PSA_TLS12_PSK_TO_MS_PSK_MAX_SIZE /* implementation-defined value */
#define PSA_VERIFY_OPERATION_INIT /* implementation-defined value */
#define PSA_WRAP_KEY_OUTPUT_SIZE(wrap_key_type, alg, key_type, key_bits) \
/* implementation-defined value */
#define PSA_WRAP_KEY_PAIR_MAX_SIZE /* implementation-defined value */
Expand Down Expand Up @@ -767,6 +771,11 @@ void psa_set_key_type(psa_key_attributes_t * attributes,
psa_key_type_t type);
void psa_set_key_usage_flags(psa_key_attributes_t * attributes,
psa_key_usage_t usage_flags);
psa_status_t psa_sign_abort(psa_sign_operation_t * operation);
psa_status_t psa_sign_finish(psa_sign_operation_t * operation,
uint8_t * signature,
size_t signature_size,
size_t * signature_length);
psa_status_t psa_sign_hash(psa_key_id_t key,
psa_algorithm_t alg,
const uint8_t * hash,
Expand Down Expand Up @@ -799,12 +808,23 @@ psa_status_t psa_sign_message_with_context(psa_key_id_t key,
uint8_t * signature,
size_t signature_size,
size_t * signature_length);
psa_sign_operation_t psa_sign_operation_init(void);
psa_status_t psa_sign_setup(psa_sign_operation_t * operation,
psa_key_id_t key,
psa_algorithm_t alg,
const uint8_t * context,
size_t context_length);
psa_status_t psa_sign_update(psa_sign_operation_t * operation,
const uint8_t * input,
size_t input_length);
psa_status_t psa_unwrap_key(const psa_key_attributes_t * attributes,
psa_key_id_t wrapping_key,
psa_algorithm_t alg,
const uint8_t * data,
size_t data_length,
psa_key_id_t * key);
psa_status_t psa_verify_abort(psa_verify_operation_t * operation);
psa_status_t psa_verify_finish(psa_verify_operation_t * operation);
psa_status_t psa_verify_hash(psa_key_id_t key,
psa_algorithm_t alg,
const uint8_t * hash,
Expand Down Expand Up @@ -833,6 +853,17 @@ psa_status_t psa_verify_message_with_context(psa_key_id_t key,
size_t context_length,
const uint8_t * signature,
size_t signature_length);
psa_verify_operation_t psa_verify_operation_init(void);
psa_status_t psa_verify_setup(psa_verify_operation_t * operation,
psa_key_id_t key,
psa_algorithm_t alg,
const uint8_t * context,
size_t context_length,
const uint8_t * signature,
size_t signature_length);
psa_status_t psa_verify_update(psa_verify_operation_t * operation,
const uint8_t * input,
size_t input_length);
psa_status_t psa_wrap_key(psa_key_id_t wrapping_key,
psa_algorithm_t alg,
psa_key_id_t key,
Expand Down
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