mirror of
https://github.com/Mbed-TLS/mbedtls.git
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e9ecd27890
Rename to match the required pattern of defines: '^(MBEDTLS|PSA)_[0-9A-Z_]*[0-9A-Z]$' Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
109 lines
4.0 KiB
C
109 lines
4.0 KiB
C
/**
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* \file pkwrite.h
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*
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* \brief Internal defines shared by the PK write module
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBEDTLS_PK_WRITE_H
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#define MBEDTLS_PK_WRITE_H
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#include "mbedtls/build_info.h"
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#include "mbedtls/pk.h"
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/*
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* Max sizes of key per types. Shown as tag + len (+ content).
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*/
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#if defined(MBEDTLS_RSA_C)
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/*
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* RSA public keys:
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* SubjectPublicKeyInfo ::= SEQUENCE { 1 + 3
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* algorithm AlgorithmIdentifier, 1 + 1 (sequence)
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* + 1 + 1 + 9 (rsa oid)
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* + 1 + 1 (params null)
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* subjectPublicKey BIT STRING } 1 + 3 + (1 + below)
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* RSAPublicKey ::= SEQUENCE { 1 + 3
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* modulus INTEGER, -- n 1 + 3 + MPI_MAX + 1
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* publicExponent INTEGER -- e 1 + 3 + MPI_MAX + 1
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* }
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*/
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#define MBEDTLS_PK_RSA_PUB_DER_MAX_BYTES ( 38 + 2 * MBEDTLS_MPI_MAX_SIZE )
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/*
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* RSA private keys:
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* RSAPrivateKey ::= SEQUENCE { 1 + 3
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* version Version, 1 + 1 + 1
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* modulus INTEGER, 1 + 3 + MPI_MAX + 1
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* publicExponent INTEGER, 1 + 3 + MPI_MAX + 1
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* privateExponent INTEGER, 1 + 3 + MPI_MAX + 1
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* prime1 INTEGER, 1 + 3 + MPI_MAX / 2 + 1
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* prime2 INTEGER, 1 + 3 + MPI_MAX / 2 + 1
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* exponent1 INTEGER, 1 + 3 + MPI_MAX / 2 + 1
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* exponent2 INTEGER, 1 + 3 + MPI_MAX / 2 + 1
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* coefficient INTEGER, 1 + 3 + MPI_MAX / 2 + 1
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* otherPrimeInfos OtherPrimeInfos OPTIONAL 0 (not supported)
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* }
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*/
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#define MBEDTLS_MPI_MAX_SIZE_2 ( MBEDTLS_MPI_MAX_SIZE / 2 + \
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MBEDTLS_MPI_MAX_SIZE % 2 )
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#define MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES ( 47 + 3 * MBEDTLS_MPI_MAX_SIZE \
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+ 5 * MBEDTLS_MPI_MAX_SIZE_2 )
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#else /* MBEDTLS_RSA_C */
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#define MBEDTLS_PK_RSA_PUB_DER_MAX_BYTES 0
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#define MBEDTLS_PK_RSA_PRV_DER_MAX_BYTES 0
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#endif /* MBEDTLS_RSA_C */
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#if defined(MBEDTLS_ECP_C)
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/*
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* EC public keys:
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* SubjectPublicKeyInfo ::= SEQUENCE { 1 + 2
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* algorithm AlgorithmIdentifier, 1 + 1 (sequence)
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* + 1 + 1 + 7 (ec oid)
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* + 1 + 1 + 9 (namedCurve oid)
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* subjectPublicKey BIT STRING 1 + 2 + 1 [1]
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* + 1 (point format) [1]
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* + 2 * ECP_MAX (coords) [1]
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* }
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*/
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#define MBEDTLS_PK_ECP_PUB_DER_MAX_BYTES ( 30 + 2 * MBEDTLS_ECP_MAX_BYTES )
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/*
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* EC private keys:
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* ECPrivateKey ::= SEQUENCE { 1 + 2
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* version INTEGER , 1 + 1 + 1
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* privateKey OCTET STRING, 1 + 1 + ECP_MAX
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* parameters [0] ECParameters OPTIONAL, 1 + 1 + (1 + 1 + 9)
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* publicKey [1] BIT STRING OPTIONAL 1 + 2 + [1] above
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* }
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*/
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#define MBEDTLS_PK_ECP_PRV_DER_MAX_BYTES ( 29 + 3 * MBEDTLS_ECP_MAX_BYTES )
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#else /* MBEDTLS_ECP_C */
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#define MBEDTLS_PK_ECP_PUB_DER_MAX_BYTES 0
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#define MBEDTLS_PK_ECP_PRV_DER_MAX_BYTES 0
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#endif /* MBEDTLS_ECP_C */
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#endif /* MBEDTLS_PK_WRITE_H */
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