| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. |
| 3 | * |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use |
| 5 | * this file except in compliance with the License. You can obtain a copy |
| 6 | * in the file LICENSE in the source distribution or at |
| 7 | * https://www.openssl.org/source/license.html |
| 8 | */ |
| 9 | |
| 10 | /* Internal ASN1 structures and functions: not for application use */ |
| 11 | |
| 12 | /* ASN1 public key method structure */ |
| 13 | |
| 14 | struct evp_pkey_asn1_method_st { |
| 15 | int pkey_id; |
| 16 | int pkey_base_id; |
| 17 | unsigned long pkey_flags; |
| 18 | char *pem_str; |
| 19 | char *info; |
| 20 | int (*pub_decode) (EVP_PKEY *pk, X509_PUBKEY *pub); |
| 21 | int (*pub_encode) (X509_PUBKEY *pub, const EVP_PKEY *pk); |
| 22 | int (*pub_cmp) (const EVP_PKEY *a, const EVP_PKEY *b); |
| 23 | int (*pub_print) (BIO *out, const EVP_PKEY *pkey, int indent, |
| 24 | ASN1_PCTX *pctx); |
| 25 | int (*priv_decode) (EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf); |
| 26 | int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk); |
| 27 | int (*priv_print) (BIO *out, const EVP_PKEY *pkey, int indent, |
| 28 | ASN1_PCTX *pctx); |
| 29 | int (*pkey_size) (const EVP_PKEY *pk); |
| 30 | int (*pkey_bits) (const EVP_PKEY *pk); |
| 31 | int (*pkey_security_bits) (const EVP_PKEY *pk); |
| 32 | int (*param_decode) (EVP_PKEY *pkey, |
| 33 | const unsigned char **pder, int derlen); |
| 34 | int (*param_encode) (const EVP_PKEY *pkey, unsigned char **pder); |
| 35 | int (*param_missing) (const EVP_PKEY *pk); |
| 36 | int (*param_copy) (EVP_PKEY *to, const EVP_PKEY *from); |
| 37 | int (*param_cmp) (const EVP_PKEY *a, const EVP_PKEY *b); |
| 38 | int (*param_print) (BIO *out, const EVP_PKEY *pkey, int indent, |
| 39 | ASN1_PCTX *pctx); |
| 40 | int (*sig_print) (BIO *out, |
| 41 | const X509_ALGOR *sigalg, const ASN1_STRING *sig, |
| 42 | int indent, ASN1_PCTX *pctx); |
| 43 | void (*pkey_free) (EVP_PKEY *pkey); |
| 44 | int (*pkey_ctrl) (EVP_PKEY *pkey, int op, long arg1, void *arg2); |
| 45 | /* Legacy functions for old PEM */ |
| 46 | int (*old_priv_decode) (EVP_PKEY *pkey, |
| 47 | const unsigned char **pder, int derlen); |
| 48 | int (*old_priv_encode) (const EVP_PKEY *pkey, unsigned char **pder); |
| 49 | /* Custom ASN1 signature verification */ |
| 50 | int (*item_verify) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, |
| 51 | X509_ALGOR *a, ASN1_BIT_STRING *sig, EVP_PKEY *pkey); |
| 52 | int (*item_sign) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, |
| 53 | X509_ALGOR *alg1, X509_ALGOR *alg2, |
| 54 | ASN1_BIT_STRING *sig); |
| 55 | int (*siginf_set) (X509_SIG_INFO *siginf, const X509_ALGOR *alg, |
| 56 | const ASN1_STRING *sig); |
| 57 | /* Check */ |
| 58 | int (*pkey_check) (const EVP_PKEY *pk); |
| 59 | int (*pkey_public_check) (const EVP_PKEY *pk); |
| 60 | int (*pkey_param_check) (const EVP_PKEY *pk); |
| 61 | /* Get/set raw private/public key data */ |
| 62 | int (*set_priv_key) (EVP_PKEY *pk, const unsigned char *priv, size_t len); |
| 63 | int (*set_pub_key) (EVP_PKEY *pk, const unsigned char *pub, size_t len); |
| 64 | int (*get_priv_key) (const EVP_PKEY *pk, unsigned char *priv, size_t *len); |
| 65 | int (*get_pub_key) (const EVP_PKEY *pk, unsigned char *pub, size_t *len); |
| 66 | } /* EVP_PKEY_ASN1_METHOD */ ; |
| 67 | |
| 68 | DEFINE_STACK_OF_CONST(EVP_PKEY_ASN1_METHOD) |
| 69 | |
| 70 | extern const EVP_PKEY_ASN1_METHOD cmac_asn1_meth; |
| 71 | extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth; |
| 72 | extern const EVP_PKEY_ASN1_METHOD dhx_asn1_meth; |
| 73 | extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[5]; |
| 74 | extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth; |
| 75 | extern const EVP_PKEY_ASN1_METHOD ecx25519_asn1_meth; |
| 76 | extern const EVP_PKEY_ASN1_METHOD ecx448_asn1_meth; |
| 77 | extern const EVP_PKEY_ASN1_METHOD ed25519_asn1_meth; |
| 78 | extern const EVP_PKEY_ASN1_METHOD ed448_asn1_meth; |
| 79 | extern const EVP_PKEY_ASN1_METHOD sm2_asn1_meth; |
| 80 | extern const EVP_PKEY_ASN1_METHOD poly1305_asn1_meth; |
| 81 | |
| 82 | extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth; |
| 83 | extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[2]; |
| 84 | extern const EVP_PKEY_ASN1_METHOD rsa_pss_asn1_meth; |
| 85 | extern const EVP_PKEY_ASN1_METHOD siphash_asn1_meth; |
| 86 | |
| 87 | /* |
| 88 | * These are used internally in the ASN1_OBJECT to keep track of whether the |
| 89 | * names and data need to be free()ed |
| 90 | */ |
| 91 | # define ASN1_OBJECT_FLAG_DYNAMIC 0x01/* internal use */ |
| 92 | # define ASN1_OBJECT_FLAG_CRITICAL 0x02/* critical x509v3 object id */ |
| 93 | # define ASN1_OBJECT_FLAG_DYNAMIC_STRINGS 0x04/* internal use */ |
| 94 | # define ASN1_OBJECT_FLAG_DYNAMIC_DATA 0x08/* internal use */ |
| 95 | struct asn1_object_st { |
| 96 | const char *sn, *ln; |
| 97 | int nid; |
| 98 | int length; |
| 99 | const unsigned char *data; /* data remains const after init */ |
| 100 | int flags; /* Should we free this one */ |
| 101 | }; |
| 102 | |
| 103 | /* ASN1 print context structure */ |
| 104 | |
| 105 | struct asn1_pctx_st { |
| 106 | unsigned long flags; |
| 107 | unsigned long nm_flags; |
| 108 | unsigned long cert_flags; |
| 109 | unsigned long oid_flags; |
| 110 | unsigned long str_flags; |
| 111 | } /* ASN1_PCTX */ ; |
| 112 | |
| 113 | int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb); |