mirror/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-01-03 23:43:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Update documentation and add comments

Browse Source 
Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
This commit is contained in:
Gabor Mezei 2023-02-13 16:29:05 +01:00
parent 5c9f401e47
commit a264831cff
No known key found for this signature in database
GPG Key ID: F072ACA227ACD71D
2 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
library/ecp_curves.c
View File

@ -4926,10 +4926,13 @@ int mbedtls_ecp_mod_p192_raw(mbedtls_mpi_uint *Np, size_t Nn)
RESET;
ADD_LAST; NEXT;
ADD_LAST; NEXT;
/* Use the reduction for the carry as well:
* 2^192 * last_carry = 2^64 * last_carry + last_carry mod P192
*/
ADD_LAST; NEXT; // A0 += last_carry
ADD_LAST; NEXT; // A1 += last_carry
LAST;
LAST; // A2 += carry
return 0;
}

6
library/ecp_invasive.h
View File

@ -79,9 +79,13 @@ int mbedtls_ecp_gen_privkey_mx(size_t n_bits,
#if defined(MBEDTLS_ECP_DP_SECP192R1_ENABLED)
/** Fast quasi-reduction modulo p192 (FIPS 186-3 D.2.1)
*
* This operation expects a 384 bit MPI and the result of the reduction
* is a 192 bit MPI.
*
* \param[in,out] Np The address of the MPI to be converted.
* Must have twice as many limbs as \p Nn.
* Must have twice as many limbs as the modulus so
* 384 bits in length.
* \param[in] Nn The length of \p Np in limbs.
*/
MBEDTLS_STATIC_TESTABLE