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RSA key generation: require e=65537

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Gilles Peskine 2019-05-16 14:05:56 +02:00
parent a130219ac0
commit 20a77aeac7
1 changed files with 7 additions and 0 deletions
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7
include/psa/crypto.h
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@ -3423,6 +3423,13 @@ psa_status_t psa_generate_random(uint8_t *output,
* The key is generated randomly. * The key is generated randomly.
* Its location, policy, type and size are taken from \p attributes. * Its location, policy, type and size are taken from \p attributes.
* *
* The following type-specific considerations apply:
* - For RSA keys (#PSA_KEY_TYPE_RSA_KEYPAIR),
* the public exponent is 65537.
* The modulus is a product of two probabilistic primes
* between 2^{n-1} and 2^n where n is the bit size specified in the
* attributes.
*
* \param[in] attributes The attributes for the new key. * \param[in] attributes The attributes for the new key.
* \param[out] handle On success, a handle to the newly created key. * \param[out] handle On success, a handle to the newly created key.
* \c 0 on failure. * \c 0 on failure.