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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_ct_error_if_else_0()

mbedtls_ct_error_if_else_0() function

Choose between an error value and 0. The error value must be in the range [-32767..0]. Functionally equivalent to: condition ? if1 : 0. Functionally equivalent to mbedtls_ct_error_if(condition, if1, 0) but results in smaller code size.

Syntax

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Summary

Declaration

Definition

from constant_time_internal.h:430

static inline int mbedtls_ct_error_if_else_0(mbedtls_ct_condition_t condition, int if1);

Implemented in constant_time_impl.h:499

Arguments

Argument

Description

condition

Condition to test.

if1

Value to use if \p condition == MBEDTLS_CT_TRUE.

Return value

\c if1 if \p condition == MBEDTLS_CT_TRUE, otherwise 0.

References

Code

Location

Referrer

static inline int mbedtls_ct_error_if_else_0(mbedtls_ct_condition_t condition, int if1)

constant_time_impl.h:499

static inline int mbedtls_ct_error_if_else_0(mbedtls_ct_condition_t condition, int if1);

constant_time_internal.h:430

return mbedtls_ct_error_if_else_0(bad, MBEDTLS_ERR_CIPHER_INVALID_PADDING);

cipher.c:869

get_pkcs_padding()

return mbedtls_ct_error_if_else_0(bad, MBEDTLS_ERR_CIPHER_INVALID_PADDING);

cipher.c:913

get_one_and_zeros_padding()

return mbedtls_ct_error_if_else_0(bad, MBEDTLS_ERR_CIPHER_INVALID_PADDING);

cipher.c:960

get_zeros_and_len_padding()

mbedtls_ct_error_if_else_0(output_too_large, MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE)

rsa.c:519

mbedtls_ct_rsaes_pkcs1_v15_unpadding()

Call Tree

mbedtls_ct_error_if_else_0() is called by 4 functions:

get_pkcs_padding()

get_one_and_zeros_padding()

get_zeros_and_len_padding()

mbedtls_ct_rsaes_pkcs1_v15_unpadding()

mbedtls_ct_error_if_else_0()

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