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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_ct_bool_not()

mbedtls_ct_bool_not() function

Boolean "not" operation. Functionally equivalent to: ! \p x

Syntax

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Summary

Declaration

Definition

from constant_time_internal.h:243

static inline mbedtls_ct_condition_t mbedtls_ct_bool_not(mbedtls_ct_condition_t x);

Implemented in constant_time_impl.h:546

Arguments

Argument

Description

x

The value to invert

Return value

MBEDTLS_CT_FALSE if \p x, otherwise MBEDTLS_CT_TRUE.

References

Code

Location

Referrer

static inline mbedtls_ct_condition_t mbedtls_ct_bool_not(mbedtls_ct_condition_t x)

constant_time_impl.h:546

static inline mbedtls_ct_condition_t mbedtls_ct_bool_not(mbedtls_ct_condition_t x);

constant_time_internal.h:243

mbedtls_ct_bool_and(mbedtls_ct_bool_not(different_sign), lt));

mbedtls_mpi_lt_mpi_ct()

mbedtls_ct_condition_t do_not_assign = mbedtls_ct_bool_not(do_assign);

mbedtls_mpi_safe_cond_assign()

ret = mbedtls_ct_bool_or(ret, mbedtls_ct_bool_and(cond, mbedtls_ct_bool_not(done)));

bignum_core.c:156

mbedtls_mpi_core_lt_ct()

in_padding = mbedtls_ct_bool_and(in_padding, mbedtls_ct_bool_not(is_nonzero));

get_one_and_zeros_padding()

pad_count += mbedtls_ct_uint_if_else_0(mbedtls_ct_bool_not(pad_done), 1);

mbedtls_ct_rsaes_pkcs1_v15_unpadding()

bad = mbedtls_ct_bool_or(bad, mbedtls_ct_bool_not(pad_done));

mbedtls_ct_rsaes_pkcs1_v15_unpadding()

Call Tree

mbedtls_ct_bool_not() is called by 5 functions:

mbedtls_mpi_lt_mpi_ct()

mbedtls_mpi_safe_cond_assign()

mbedtls_mpi_core_lt_ct()

get_one_and_zeros_padding()

mbedtls_ct_rsaes_pkcs1_v15_unpadding()

mbedtls_ct_bool_not()

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