Zeroize len 0, null
mbedtls_platform_zeroize:0:1

Zeroize len 0, non-null
mbedtls_platform_zeroize:0:0

Zeroize len 1
mbedtls_platform_zeroize:1:0

Zeroize len 4
mbedtls_platform_zeroize:1:0

Zeroize len 5
mbedtls_platform_zeroize:1:0

Zeroize len 32
mbedtls_platform_zeroize:32:0

Zeroize len 127
mbedtls_platform_zeroize:127:0

Zeroize len 128
mbedtls_platform_zeroize:128:0