87     let digest = digester.digest(MESSAGE1)?;  in ecdsa_p256_signing_and_verification_succeed()  localVariable
88     assert_eq!(digest, sha256(MESSAGE1)?);  in ecdsa_p256_signing_and_verification_succeed()
90     let signature = ec_key.ecdsa_sign_der(&digest)?;  in ecdsa_p256_signing_and_verification_succeed()
91     ec_key.ecdsa_verify_der(&signature, &digest)?;  in ecdsa_p256_signing_and_verification_succeed()
103     let digest = digester.digest(MESSAGE1)?;  in ecdsa_p384_signing_and_verification_succeed()  localVariable
105     let signature = ec_key.ecdsa_sign_der(&digest)?;  in ecdsa_p384_signing_and_verification_succeed()
106     ec_key.ecdsa_verify_der(&signature, &digest)?;  in ecdsa_p384_signing_and_verification_succeed()
115     let digest = sha256(MESSAGE1)?;  in verifying_ecdsa_p256_signed_with_a_different_key_fails()  localVariable
116     let signature = ec_key1.ecdsa_sign_der(&digest)?;  in verifying_ecdsa_p256_signed_with_a_different_key_fails()
120     let err = ec_key2.ecdsa_verify_der(&signature, &digest).unwrap_err();  in verifying_ecdsa_p256_signed_with_a_different_key_fails()
148     let digest = sha256(MESSAGE1)?;  in ecdsa_cose_signing_and_verification_succeed()  localVariable
152     let signature = ec_key.ecdsa_sign_cose(&digest)?;  in ecdsa_cose_signing_and_verification_succeed()
153     ec_key.ecdsa_verify_cose(&signature, &digest)?;  in ecdsa_cose_signing_and_verification_succeed()
160     let digest = sha256(MESSAGE1)?;  in verifying_ecdsa_cose_signed_with_a_different_message_fails()  localVariable
164     let signature = ec_key.ecdsa_sign_cose(&digest)?;  in verifying_ecdsa_cose_signed_with_a_different_message_fails()
174     let digest = sha256(MESSAGE1)?;  in verifying_ecdsa_cose_signed_as_der_fails()  localVariable
178     let signature = ec_key.ecdsa_sign_cose(&digest)?;  in verifying_ecdsa_cose_signed_as_der_fails()
179     let err = ec_key.ecdsa_verify_der(&signature, &digest).unwrap_err();  in verifying_ecdsa_cose_signed_as_der_fails()