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early-access version 1676

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pineappleEA
2021-05-12 16:01:52 +02:00
parent 97603cd694
commit 63199acc4d
46 changed files with 587 additions and 130 deletions
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32
externals/mbedtls/library/bignum.c vendored
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@@ -500,6 +500,7 @@ int mbedtls_mpi_read_string( mbedtls_mpi *X, int radix, const char *s )
{
int ret;
size_t i, j, slen, n;
int sign = 1;
mbedtls_mpi_uint d;
mbedtls_mpi T;
MPI_VALIDATE_RET( X != NULL );
@@ -510,6 +511,12 @@ int mbedtls_mpi_read_string( mbedtls_mpi *X, int radix, const char *s )
mbedtls_mpi_init( &T );
if( s[0] == '-' )
{
++s;
sign = -1;
}
slen = strlen( s );
if( radix == 16 )
@@ -524,12 +531,6 @@ int mbedtls_mpi_read_string( mbedtls_mpi *X, int radix, const char *s )
for( i = slen, j = 0; i > 0; i--, j++ )
{
if( i == 1 && s[i - 1] == '-' )
{
X->s = -1;
break;
}
MBEDTLS_MPI_CHK( mpi_get_digit( &d, radix, s[i - 1] ) );
X->p[j / ( 2 * ciL )] |= d << ( ( j % ( 2 * ciL ) ) << 2 );
}
@@ -540,26 +541,15 @@ int mbedtls_mpi_read_string( mbedtls_mpi *X, int radix, const char *s )
for( i = 0; i < slen; i++ )
{
if( i == 0 && s[i] == '-' )
{
X->s = -1;
continue;
}
MBEDTLS_MPI_CHK( mpi_get_digit( &d, radix, s[i] ) );
MBEDTLS_MPI_CHK( mbedtls_mpi_mul_int( &T, X, radix ) );
if( X->s == 1 )
{
MBEDTLS_MPI_CHK( mbedtls_mpi_add_int( X, &T, d ) );
}
else
{
MBEDTLS_MPI_CHK( mbedtls_mpi_sub_int( X, &T, d ) );
}
MBEDTLS_MPI_CHK( mbedtls_mpi_add_int( X, &T, d ) );
}
}
if( sign < 0 && mbedtls_mpi_bitlen( X ) != 0 )
X->s = -1;
cleanup:
mbedtls_mpi_free( &T );