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[crypto] Remove obsolete maximum output length method

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Now that public-key algorithms use ASN.1 builders to dynamically
allocate the output data, there is no further need for callers to be
able to determine the maximum output length.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2025-12-02 13:13:01 +00:00
parent 1ccc320ee9
commit 3e566818f7
3 changed files with 0 additions and 40 deletions
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13
src/include/ipxe/crypto.h
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@@ -121,12 +121,6 @@ struct cipher_algorithm {
struct pubkey_algorithm {
/** Algorithm name */
const char *name;
/** Calculate maximum output length
*
* @v key Key
* @ret max_len Maximum output length
*/
size_t ( * max_len ) ( const struct asn1_cursor *key );
/** Encrypt
*
* @v key Key
@@ -266,12 +260,6 @@ is_auth_cipher ( struct cipher_algorithm *cipher ) {
return cipher->authsize;
}
static inline __attribute__ (( always_inline )) size_t
pubkey_max_len ( struct pubkey_algorithm *pubkey,
const struct asn1_cursor *key ) {
return pubkey->max_len ( key );
}
static inline __attribute__ (( always_inline )) int
pubkey_encrypt ( struct pubkey_algorithm *pubkey, const struct asn1_cursor *key,
const struct asn1_cursor *plaintext,
@@ -325,7 +313,6 @@ extern void cipher_null_decrypt ( void *ctx, const void *src, void *dst,
size_t len );
extern void cipher_null_auth ( void *ctx, void *auth );
extern size_t pubkey_null_max_len ( const struct asn1_cursor *key );
extern int pubkey_null_encrypt ( const struct asn1_cursor *key,
const struct asn1_cursor *plaintext,
struct asn1_builder *ciphertext );