Drop support for the ASN.1-based ECDSA signature format in favor of

the simpler format which PKCS #11 uses, since we have to support the
latter in any case and it's not worth the complexity of supporting both.

1 files changed, 2 insertions, 6 deletions

diff --git a/hal.h b/hal.h
index 4a1ef75..3fcf813 100644
--- a/hal.h
+++ b/hal.h
@@ -435,8 +435,6 @@ extern hal_error_t hal_rsa_key_from_der(hal_rsa_key_t **key,
  * ECDSA.
  */
 
-typedef enum { HAL_ECDSA_SIGNATURE_FORMAT_ASN1, HAL_ECDSA_SIGNATURE_FORMAT_PKCS11 } hal_ecdsa_signature_format_t;
-
 typedef struct hal_ecdsa_key hal_ecdsa_key_t;
 
 extern const size_t hal_ecdsa_key_t_size;
@@ -495,14 +493,12 @@ extern hal_error_t hal_ecdsa_key_from_ecpoint(hal_ecdsa_key_t **key,
 extern hal_error_t hal_ecdsa_sign(const hal_core_t *core,
                                   const hal_ecdsa_key_t * const key,
                                   const uint8_t * const hash, const size_t hash_len,
-                                  uint8_t *signature, size_t *signature_len, const size_t signature_max,
-                                  const hal_ecdsa_signature_format_t signature_format);
+                                  uint8_t *signature, size_t *signature_len, const size_t signature_max);
 
 extern hal_error_t hal_ecdsa_verify(const hal_core_t *core,
                                     const hal_ecdsa_key_t * const key,
                                     const uint8_t * const hash, const size_t hash_len,
-                                    const uint8_t * const signature, const size_t signature_len,
-                                    const hal_ecdsa_signature_format_t signature_format);
+                                    const uint8_t * const signature, const size_t signature_len);
 
 /*
  * Higher level RPC-based mechanism for working with HSM at arm's