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https://github.com/yuzu-emu/mbedtls.git
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New functions: asymmetric encrypt/decrypt
This commit is contained in:
Gilles Peskine
itayzafrir
parent
8484565f85
commit
6944f9a831
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@ -326,7 +326,8 @@ typedef uint32_t psa_algorithm_t;
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#define PSA_ALG_RSA_PKCS1V15_SIGN_RAW ((psa_algorithm_t)0x10010000)
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#define PSA_ALG_RSA_PSS_MGF1 ((psa_algorithm_t)0x10020000)
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#define PSA_ALG_RSA_OAEP ((psa_algorithm_t)0x12020000)
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#define PSA_ALG_RSA_PKCS1V15_CRYPT ((psa_algorithm_t)0x12010000)
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#define PSA_ALG_RSA_OAEP_MGF1_BASE ((psa_algorithm_t)0x12020000)
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#define PSA_ALG_RSA_PKCS1V15_SIGN(hash_alg) \
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(PSA_ALG_RSA_PKCS1V15_SIGN_RAW | ((hash_alg) & PSA_ALG_HASH_MASK))
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#define PSA_ALG_IS_RSA_PKCS1V15_SIGN(alg) \
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@ -1329,6 +1330,114 @@ psa_status_t psa_asymmetric_verify(psa_key_slot_t key,
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uint8_t *signature,
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size_t signature_size);
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#define PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE(key_type, key_bits, alg) \
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(PSA_KEY_TYPE_IS_RSA(key_type) ? ((void)alg, PSA_BITS_TO_BYTES(key_bits)) : \
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((void)alg, 0))
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#define PSA_ASYMMETRIC_DECRYPT_OUTPUT_SIZE(key_type, key_bits, alg) \
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PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE(key_type, key_bits, alg)
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/**
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* \brief Encrypt a short message with a public key.
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*
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* \param key Key slot containing a public key or an asymmetric
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* key pair.
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* \param alg An asymmetric encryption algorithm that is
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* compatible with the type of \c key.
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* \param input The message to encrypt.
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* \param input_length Size of the \c input buffer in bytes.
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* \param salt A salt or label, if supported by the encryption
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* algorithm.
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* If the algorithm does not support a
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* salt, pass \c NULL.
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* If the algorithm supports an optional
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* salt and you do not want to pass a salt,
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* pass \c NULL.
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*
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* - For #PSA_ALG_RSA_PKCS1V15_CRYPT, no salt is
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* supported.
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* \param salt_length Size of the \c salt buffer in bytes.
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* If \c salt is \c NULL, pass 0.
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* \param output Buffer where the encrypted message is to be written.
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* \param output_size Size of the \c output buffer in bytes.
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* \param output_length On success, the number of bytes
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* that make up the returned output.
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*
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* \retval PSA_SUCCESS
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* \retval PSA_ERROR_BUFFER_TOO_SMALL
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* The size of the \c output buffer is too small. You can
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* determine a sufficient buffer size by calling
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* #PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE(key_type, key_bits, alg)
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* where \c key_type and \c key_bits are the type and bit-size
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* respectively of \c key.
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* \retval PSA_ERROR_NOT_SUPPORTED
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* \retval PSA_ERROR_INVALID_ARGUMENT
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* \retval PSA_ERROR_INSUFFICIENT_MEMORY
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* \retval PSA_ERROR_COMMUNICATION_FAILURE
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* \retval PSA_ERROR_HARDWARE_FAILURE
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* \retval PSA_ERROR_TAMPERING_DETECTED
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* \retval PSA_ERROR_INSUFFICIENT_ENTROPY
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*/
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psa_status_t psa_asymmetric_encrypt(psa_key_slot_t key,
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psa_algorithm_t alg,
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const uint8_t *input,
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size_t input_length,
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const uint8_t *salt,
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size_t salt_length,
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uint8_t *output,
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size_t output_size,
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size_t *output_length);
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/**
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* \brief Decrypt a short message with a private key.
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*
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* \param key Key slot containing an asymmetric key pair.
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* \param alg An asymmetric encryption algorithm that is
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* compatible with the type of \c key.
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* \param input The message to decrypt.
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* \param input_length Size of the \c input buffer in bytes.
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* \param salt A salt or label, if supported by the encryption
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* algorithm.
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* If the algorithm does not support a
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* salt, pass \c NULL.
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* If the algorithm supports an optional
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* salt and you do not want to pass a salt,
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* pass \c NULL.
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*
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* - For #PSA_ALG_RSA_PKCS1V15_CRYPT, no salt is
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* supported.
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* \param salt_length Size of the \c salt buffer in bytes.
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* If \c salt is \c NULL, pass 0.
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* \param output Buffer where the encrypted message is to be written.
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* \param output_size Size of the \c output buffer in bytes.
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* \param output_length On success, the number of bytes
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* that make up the returned output.
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*
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* \retval PSA_SUCCESS
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* \retval PSA_ERROR_BUFFER_TOO_SMALL
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* The size of the \c output buffer is too small. You can
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* determine a sufficient buffer size by calling
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* #PSA_ASYMMETRIC_DECRYPT_OUTPUT_SIZE(key_type, key_bits, alg)
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* where \c key_type and \c key_bits are the type and bit-size
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* respectively of \c key.
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* \retval PSA_ERROR_NOT_SUPPORTED
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* \retval PSA_ERROR_INVALID_ARGUMENT
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* \retval PSA_ERROR_INSUFFICIENT_MEMORY
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* \retval PSA_ERROR_COMMUNICATION_FAILURE
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* \retval PSA_ERROR_HARDWARE_FAILURE
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* \retval PSA_ERROR_TAMPERING_DETECTED
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* \retval PSA_ERROR_INSUFFICIENT_ENTROPY
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* \retval PSA_ERROR_INVALID_PADDING
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*/
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psa_status_t psa_asymmetric_decrypt(psa_key_slot_t key,
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psa_algorithm_t alg,
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const uint8_t *input,
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size_t input_length,
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const uint8_t *salt,
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size_t salt_length,
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uint8_t *output,
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size_t output_size,
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size_t *output_length);
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/**@}*/
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#ifdef __cplusplus
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