diff --git a/tests/src/drivers/signature.c b/tests/src/drivers/signature.c
index 0f006c7..32ebbfd 100644
--- a/tests/src/drivers/signature.c
+++ b/tests/src/drivers/signature.c
@@ -34,6 +34,8 @@
 #include "mbedtls/md.h"
 #include "mbedtls/ecdsa.h"
 
+#include "test/random.h"
+
 #include <string.h>
 
 /* If non-null, on success, copy this to the output. */
@@ -43,6 +45,9 @@
 psa_status_t test_transparent_signature_sign_hash_status = PSA_ERROR_NOT_SUPPORTED;
 unsigned long test_transparent_signature_sign_hash_hit = 0;
 
+psa_status_t test_transparent_signature_verify_hash_status = PSA_ERROR_NOT_SUPPORTED;
+unsigned long test_transparent_signature_verify_hash_hit = 0;
+
 psa_status_t test_transparent_signature_sign_hash(
     const psa_key_attributes_t *attributes,
     const uint8_t *key, size_t key_length,
@@ -168,4 +173,129 @@
     return( PSA_ERROR_NOT_SUPPORTED );
 }
 
+psa_status_t test_transparent_signature_verify_hash(
+    const psa_key_attributes_t *attributes,
+    const uint8_t *key, size_t key_length,
+    psa_algorithm_t alg,
+    const uint8_t *hash, size_t hash_length,
+    const uint8_t *signature, size_t signature_length )
+{
+    ++test_transparent_signature_verify_hash_hit;
+
+    if( test_transparent_signature_verify_hash_status != PSA_SUCCESS )
+        return( test_transparent_signature_verify_hash_status );
+
+    psa_status_t status = PSA_ERROR_NOT_SUPPORTED;
+
+#if defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECDSA_DETERMINISTIC) && \
+    defined(MBEDTLS_SHA256_C)
+    if( alg != PSA_ALG_DETERMINISTIC_ECDSA( PSA_ALG_SHA_256 ) )
+        return( PSA_ERROR_NOT_SUPPORTED );
+    mbedtls_ecp_group_id grp_id;
+    switch( psa_get_key_type( attributes ) )
+    {
+        case PSA_ECC_CURVE_SECP_R1:
+            switch( psa_get_key_bits( attributes ) )
+            {
+                case 256:
+                    grp_id = MBEDTLS_ECP_DP_SECP256R1;
+                    break;
+                case 384:
+                    grp_id = MBEDTLS_ECP_DP_SECP384R1;
+                    break;
+                case 521:
+                    grp_id = MBEDTLS_ECP_DP_SECP521R1;
+                    break;
+                default:
+                    return( PSA_ERROR_NOT_SUPPORTED );
+            }
+            break;
+        default:
+            return( PSA_ERROR_NOT_SUPPORTED );
+    }
+
+    /* Beyond this point, the driver is actually doing the work of
+     * calculating the signature. */
+
+    status = PSA_ERROR_GENERIC_ERROR;
+    int ret = 0;
+    mbedtls_mpi r, s;
+    mbedtls_mpi_init( &r );
+    mbedtls_mpi_init( &s );
+    mbedtls_ecp_keypair ecp;
+    mbedtls_ecp_keypair_init( &ecp );
+    mbedtls_test_rnd_pseudo_info rnd_info;
+    memset( &rnd_info, 0x5A, sizeof( mbedtls_test_rnd_pseudo_info ) );
+    size_t curve_bytes = PSA_BITS_TO_BYTES( ecp.grp.pbits );
+
+    MBEDTLS_MPI_CHK( mbedtls_ecp_group_load( &ecp.grp, grp_id ) );
+
+    /* Code adapted from psa_ecdsa_verify() in psa_crypto.c. */
+    if( signature_length < 2 * curve_bytes )
+    {
+        status = PSA_ERROR_BUFFER_TOO_SMALL;
+        goto cleanup;
+    }
+
+    MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &r,
+                                              signature,
+                                              curve_bytes ) );
+    MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &s,
+                                              signature + curve_bytes,
+                                              curve_bytes ) );
+
+    if( PSA_KEY_TYPE_IS_PUBLIC_KEY( psa_get_key_type( attributes ) ) )
+        MBEDTLS_MPI_CHK( mbedtls_ecp_point_read_binary( &ecp.grp, &ecp.Q,
+                                                    key, key_length ) );
+    else
+    {
+        MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary( &ecp.d, key, key_length ) );
+        MBEDTLS_MPI_CHK(
+            mbedtls_ecp_mul( &ecp.grp, &ecp.Q, &ecp.d, &ecp.grp.G,
+                             &mbedtls_test_rnd_pseudo_rand,
+                             &rnd_info ) );
+    }
+
+    MBEDTLS_MPI_CHK( mbedtls_ecdsa_verify( &ecp.grp, hash, hash_length,
+                                &ecp.Q, &r, &s ) );
+cleanup:
+    /* There's no easy way to translate the error code except through a
+     * library function that's not exported. Use a debugger. */
+    if( ret == 0 )
+        status = PSA_SUCCESS;
+    mbedtls_mpi_free( &r );
+    mbedtls_mpi_free( &s );
+    mbedtls_ecp_keypair_free( &ecp );
+#else /* defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECDSA_DETERMINISTIC) && \
+         defined(MBEDTLS_SHA256_C) */
+    (void) attributes;
+    (void) key;
+    (void) key_length;
+    (void) alg;
+    (void) hash;
+    (void) hash_length;
+#endif /* defined(MBEDTLS_ECDSA_C) && defined(MBEDTLS_ECDSA_DETERMINISTIC) && \
+          defined(MBEDTLS_SHA256_C) */
+
+    return( status );
+}
+
+psa_status_t test_opaque_signature_verify_hash(
+    const psa_key_attributes_t *attributes,
+    const uint8_t *key, size_t key_length,
+    psa_algorithm_t alg,
+    const uint8_t *hash, size_t hash_length,
+    const uint8_t *signature, size_t signature_length )
+{
+    (void) attributes;
+    (void) key;
+    (void) key_length;
+    (void) alg;
+    (void) hash;
+    (void) hash_length;
+    (void) signature;
+    (void) signature_length;
+    return( PSA_ERROR_NOT_SUPPORTED );
+}
+
 #endif /* MBEDTLS_PSA_CRYPTO_DRIVERS && MBEDTLS_TEST_HOOKS */