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tinyCrypt: Enforce global RNG

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tinyCrypt uses a global RNG without context parameter while Mbed TLS in its
default configuration uses RNG+CTX bound to the SSL configuration.

This commit restricts the use of tinyCrypt to configurations that use a
global RNG function with NULL context by setting MBEDTLS_SSL_CONF_RNG in
the configuration. This allows to define a wrapper RNG to be used by
tinyCrypt which maps to this global hardcoded RNG.
This commit is contained in:
Hanno Becker 2019-07-24 09:43:44 +01:00
parent 621113fd3a
commit 00a9b6df77
1 changed files with 5 additions and 0 deletions
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5
include/mbedtls/check_config.h
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@ -103,6 +103,11 @@
#error "MBEDTLS_USE_TINYCRYPT defined, but it cannot be defined with MBEDTLS_NO_64BIT_MULTIPLICATION"
#endif
#if defined(MBEDTLS_USE_TINYCRYPT) && \
!defined(MBEDTLS_SSL_CONF_RNG)
#error "MBEDTLS_USE_TINYCRYPT defined, but not all prerequesites"
#endif
#if defined(MBEDTLS_NIST_KW_C) && \
( !defined(MBEDTLS_AES_C) || !defined(MBEDTLS_CIPHER_C) )
#error "MBEDTLS_NIST_KW_C defined, but not all prerequisites"