tests/crypto/ecc_dsa hangs in montecarlo_signverify test on nrf51_pca10028:arm

[pswarnak]

The test tests/crypto/ecc_dsa hangs on nrf51_pca10028.

Arch: arm
Board: nrf51_pca10028
Zephyr version: commit 265f502.

Error Console Log:

***** delaying boot 1000ms (per build configuration) *****
***** Booting Zephyr OS v1.12.0-rc2-119-g265f502 (delayed boot 1000ms) *****
Running test suite test_xip_fn
===================================================================
starting test - test_ecc_dsa
starting test - Performing ECC-DSA tests:
Performing cavp_sign test:
Test #1: ECDSAsign NIST-p256, SHA2-256
  Vector #00 check sig.r - success
  Vector #00 check sig.s - success
  Vector #01 check sig.r - success
  Vector #01 check sig.s - success
  Vector #02 check sig.r - success
  Vector #02 check sig.s - success
  Vector #03 check sig.r - success
  Vector #03 check sig.s - success
  Vector #04 check sig.r - success
  Vector #04 check sig.s - success
  Vector #05 check sig.r - success
  Vector #05 check sig.s - success
  Vector #06 check sig.r - success
  Vector #06 check sig.s - success
  Vector #07 check sig.r - success
  Vector #07 check sig.s - success
  Vector #08 check sig.r - success
  Vector #08 check sig.s - success
  Vector #09 check sig.r - success
  Vector #09 check sig.s - success
  Vector #10 check sig.r - success
  Vector #10 check sig.s - success
  Vector #11 check sig.r - success
  Vector #11 check sig.s - success
  Vector #12 check sig.r - success
  Vector #12 check sig.s - success
  Vector #13 check sig.r - success
  Vector #13 check sig.s - success
  Vector #14 check sig.r - success
  Vector #14 check sig.s - success
Performing cavp_verify test:
  Vector #00 check - success (3=3)
  Vector #01 check - success (2=2)
  Vector #02 check - success (4=4)
  Vector #03 check - success (0=0)
  Vector #04 check - success (0=0)
  Vector #05 check - success (2=2)
  Vector #06 check - success (4=4)
  Vector #07 check - success (1=1)
  Vector #08 check - success (3=3)
  Vector #09 check - success (2=2)
  Vector #10 check - success (3=3)
  Vector #11 check - success (1=1)
  Vector #12 check - success (4=4)
  Vector #13 check - success (1=1)
  Vector #14 check - success (0=0)
Performing montecarlo_signverify test:
.....

Steps to reproduce:

cd zephyr/tests/crypto/ecc_dsa/
rm -rf build && mkdir build && cd build
cmake -D BOARD=nrf51_pca10028 ../
make BOARD=nrf51_pca10028 flash

Check the console log.

Additional Information:
Test hangs in montecarlo_signverify function.

[nashif]

tests/crypto/ecc_dsa does not exist anymore.