diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index 1bd8b65..aa9f4e3 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -6320,6 +6320,10 @@
 depends_on:PSA_WANT_ALG_HKDF_EXPAND:PSA_WANT_ALG_SHA_1
 derive_set_capacity:PSA_ALG_HKDF_EXPAND(PSA_ALG_SHA_1):255 * PSA_HASH_LENGTH(PSA_ALG_SHA_1) + 1:PSA_ERROR_INVALID_ARGUMENT
 
+PSA key derivation: TLS 1.2 PSK-to-MS, request too much capacity
+depends_on:PSA_WANT_ALG_SHA_256:PSA_WANT_ALG_TLS12_PSK_TO_MS
+derive_set_capacity:PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256):48U + 1U:PSA_ERROR_INVALID_ARGUMENT
+
 PSA key derivation: over capacity 42: output 42+1
 depends_on:PSA_WANT_ALG_HKDF:PSA_WANT_ALG_SHA_256
 derive_output:PSA_ALG_HKDF(PSA_ALG_SHA_256):PSA_KEY_DERIVATION_INPUT_SALT:"000102030405060708090a0b0c":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_SECRET:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_SUCCESS:PSA_KEY_DERIVATION_INPUT_INFO:"f0f1f2f3f4f5f6f7f8f9":PSA_SUCCESS:0:"":PSA_SUCCESS:"":42:"3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865":"ff":0:1:0
@@ -6528,6 +6532,14 @@
 depends_on:PSA_WANT_ALG_SHA_256:PSA_WANT_ALG_TLS12_PRF
 derive_full:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":255 * PSA_HASH_LENGTH(PSA_ALG_SHA_256)
 
+PSA key derivation: TLS 1.2 PSK-to-MS, read maximum capacity minus 1
+depends_on:PSA_WANT_ALG_SHA_256:PSA_WANT_ALG_TLS12_PSK_TO_MS
+derive_full:PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256):"01020304":"5bc0b19b4a8b24b07afe7ec65c471e94a7d518fcef06c3574315255c52afe21b5bc0b19b872b9b26508458f03603744d575f463a11ae7f1b090c012606fd3e9f":"6d617374657220736563726574":47
+
+PSA key derivation: TLS 1.2 PSK-to-MS, read maximum capacity
+depends_on:PSA_WANT_ALG_SHA_256:PSA_WANT_ALG_TLS12_PSK_TO_MS
+derive_full:PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256):"01020304":"5bc0b19b4a8b24b07afe7ec65c471e94a7d518fcef06c3574315255c52afe21b5bc0b19b872b9b26508458f03603744d575f463a11ae7f1b090c012606fd3e9f":"6d617374657220736563726574":48
+
 PSA key derivation: HKDF SHA-256, exercise AES128-CTR
 depends_on:PSA_WANT_ALG_CTR:PSA_WANT_ALG_HKDF:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_AES
 derive_key_exercise:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_AES:128:PSA_KEY_USAGE_ENCRYPT:PSA_ALG_CTR