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Fix typo in ECP module

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This commit is contained in:
Janos Follath 2019-02-25 16:32:08 +00:00
parent e5670f2663
commit 7780096f3b
1 changed files with 4 additions and 4 deletions
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8
library/ecp.c
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@ -2845,7 +2845,7 @@ int mbedtls_ecp_gen_key( mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
return( mbedtls_ecp_gen_keypair( &key->grp, &key->d, &key->Q, f_rng, p_rng ) );
}
#define ECP_CURVE255_KEY_SIZE 32
#define ECP_CURVE25519_KEY_SIZE 32
/*
* Read a private key.
*/
@ -2863,7 +2863,7 @@ int mbedtls_ecp_read_key( mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
*/
if( grp_id == MBEDTLS_ECP_DP_CURVE25519 )
{
if( buflen != ECP_CURVE255_KEY_SIZE )
if( buflen != ECP_CURVE25519_KEY_SIZE )
return MBEDTLS_ERR_ECP_INVALID_KEY;
MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary_le( &key->d, buf, buflen ) );
@ -2875,12 +2875,12 @@ int mbedtls_ecp_read_key( mbedtls_ecp_group_id grp_id, mbedtls_ecp_keypair *key,
/* Set the most significant bit to 0 */
MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &key->d,
ECP_CURVE255_KEY_SIZE * 8 - 1,
ECP_CURVE25519_KEY_SIZE * 8 - 1,
0 ) );
/* Set the second most significant bit to 1 */
MBEDTLS_MPI_CHK( mbedtls_mpi_set_bit( &key->d,
ECP_CURVE255_KEY_SIZE * 8 - 2,
ECP_CURVE25519_KEY_SIZE * 8 - 2,
1 ) );
}