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SourceVuESP-IDF Framework and ExamplesmbedTLSmbedtls_pkcs5_pbkdf2_hmac_ext()

mbedtls_pkcs5_pbkdf2_hmac_ext() function

PKCS#5 PBKDF2 using HMAC without using the HMAC context

Syntax

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Summary

Declaration

Definition

from pkcs5.h:149

int mbedtls_pkcs5_pbkdf2_hmac_ext(mbedtls_md_type_t md_type, const unsigned char *password, size_t plen, const unsigned char *salt, size_t slen, unsigned int iteration_count, uint32_t key_length, unsigned char *output);

Implemented in pkcs5.c:369

Arguments

Argument

Description

md_type

Hash algorithm used

password

Password to use when generating key

plen

Length of password

salt

Salt to use when generating key

slen

Length of salt

iteration_count

Iteration count

key_length

Length of generated key in bytes

output

Generated key. Must be at least as big as key_length

Return value

0 on success, or a MBEDTLS_ERR_XXX code if verification fails.

References

Code

Location

Referrer

int mbedtls_pkcs5_pbkdf2_hmac_ext(mbedtls_md_type_t md_alg,

pkcs5.c:369

int mbedtls_pkcs5_pbkdf2_hmac_ext(mbedtls_md_type_t md_type,

pkcs5.h:149

if ((ret = mbedtls_pkcs5_pbkdf2_hmac_ext(md_type, pwd, pwdlen, salt.p,

pkcs5.c:219

mbedtls_pkcs5_pbes2_ext()

ret = mbedtls_pkcs5_pbkdf2_hmac_ext(MBEDTLS_MD_SHA1, password_test_data[i],

pkcs5.c:470

mbedtls_pkcs5_self_test()

Call Tree

mbedtls_pkcs5_pbkdf2_hmac_ext() is called by 2 functions and calls 5 functions:

mbedtls_pkcs5_pbes2_ext()

mbedtls_pkcs5_self_test()

mbedtls_pkcs5_pbkdf2_hmac_ext()

mbedtls_md_info_from_type()

Data Use

mbedtls_pkcs5_pbkdf2_hmac_ext():

mbedtls_pkcs5_pbkdf2_hmac_ext()

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