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Update documentation

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Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
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Gabor Mezei 2023-02-15 17:51:59 +01:00
parent 555b1f7e44
commit 7e6fcc1fbc
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1 changed files with 13 additions and 4 deletions
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17
library/ecp_invasive.h
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@ -99,12 +99,21 @@ int mbedtls_ecp_mod_p192_raw(mbedtls_mpi_uint *Np, size_t Nn);
/** Fast quasi-reduction modulo p521 = 2^521 - 1 (FIPS 186-3 D.2.5)
*
* \param[in,out] N_p The address of the MPI to be converted.
* Must have 2 * N - 1 limbs, where N is the modulus.
* \param[in] N_n The length of \p N_p in limbs.
* \param[in,out] X The address of the MPI to be converted.
* Must have twice as many limbs as the modulus
* (the modulus is 521 bits long). Upon return this
* holds the reduced value. The reduced value is
* in range `0 <= X < 2 * N` (where N is the modulus).
* and its the bitlength is one plus the bitlength
* of the modulus.
* \param[in] X_limbs The length of \p X in limbs.
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_ECP_BAD_INPUT_DATA if \p X_limbs does not have
* twice as many limbs as the modulus.
*/
MBEDTLS_STATIC_TESTABLE
int mbedtls_ecp_mod_p521_raw(mbedtls_mpi_uint *N_p, size_t N_n);
int mbedtls_ecp_mod_p521_raw(mbedtls_mpi_uint *X, size_t X_limbs);
#endif /* MBEDTLS_ECP_DP_SECP521R1_ENABLED */