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13 This document is long, but you probably don't need to read all of it. You should start with the fol…
59 Applications only need to include a single header file:
70 …internal random generator. As a consequence, you do not need to instantiate one manually (no need …
80 Apart from keys, as described in “[Key management](#key-management)” below, APIs that need to prese…
98 …need access to the key material, call [`psa_export_key`](https://mbed-tls.readthedocs.io/projects/…
221 …yptographic mechanism both through the legacy API and through the PSA API need to explicitly enabl…
260 Note that the PSA API does include features that reduce the need for `mbedtls_ct_memcmp`:
289 * Other padding modes, which are obsolete, are not available in the PSA API. If you need them, hand…
341 … create a key object first. However, for a one-shot operation, you do not need an operation object…
347 …__attributes/#group__attributes_1ga0ec645e1fdafe59d591104451ebf5680). You need to set the followin…
382 If you need to interrupt the operation after calling the setup function without calling the finish …
414 If you need to interrupt the operation after calling the setup function without calling the finish …
420 …m an ongoing PSA cipher or AEAD operation. Applications that need this information will need to sa…
521 If you need to interrupt the operation after calling the setup function without calling the finish …
529 … create a key object first. However, for a one-shot operation, you do not need an operation object…
535 …__attributes/#group__attributes_1ga0ec645e1fdafe59d591104451ebf5680). You need to set the followin…
579 If you need to interrupt the operation after calling the setup function without calling the finish …
634 …ator. As a consequence, you do not need to instantiate one manually, so most applications using PS…
636 …`, `psa_asymmetric_encrypt`), and other random material as needed. If you need random data for som…
638 If your application mixes uses of the PSA crypto API and the mbedtls API and you need to pass an RN…
653 … some applications, but it does not offer CTR\_DRBG or HMAC\_DRBG. If you need these algorithms, k…
667 …__attributes/#group__attributes_1ga0ec645e1fdafe59d591104451ebf5680). You need to set the followin…
699 * Many signature algorithms encode a hash algorithm. Sometimes the same key may need to be used to …
764 …amily as explained below. Due to the design of the API, there is rarely a need to use Diffie-Hellm…
851 // (the public key will not be used and does not need to be set)
855 psa_ecc_curve_t curve = ...; // need to determine the curve family manually
876 psa_ecc_curve_t curve = ...; // need to determine the curve family manually
975 …nded for highly constrained devices where long cryptographic calculations need to be broken up to …
991 If you need to cancel the operation after calling the start function without waiting for the loop c…
1084 …h, rather than via an operation context. Thus, to use Diffie-Hellman, you need to create a key obj…
1088 …__attributes/#group__attributes_1ga0ec645e1fdafe59d591104451ebf5680). You need to set the followin…
1124 …y (this may be the same variable as `our_pub` if the application does not need to hold both at the…
1138 …peer's key. This can be the same as `our_pub` if the application does not need to hold both at the…
1212 … by `psa_raw_key_agreement` or `psa_key_derivation_key_agreement`. If you need to use it multiple …
1286 …parent to user code. Code that uses a key via its key identifier does not need to know whether the…
1296 … primitive as with `mbedtls_rsa_public` and `mbedtls_rsa_private`. If you need an RSA-based mechan…
1302 A PSA key object is immutable, so there is no need for an equivalent of `mbedtls_rsa_copy`. (There …