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Diffstat (limited to 'include/crypto/asn1.h')
| -rw-r--r-- | include/crypto/asn1.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/include/crypto/asn1.h b/include/crypto/asn1.h new file mode 100644 index 000000000000..9c9b4d897456 --- /dev/null +++ b/include/crypto/asn1.h @@ -0,0 +1,113 @@ +/* + * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +/* Internal ASN1 structures and functions: not for application use */ + +/* ASN1 public key method structure */ + +struct evp_pkey_asn1_method_st { + int pkey_id; + int pkey_base_id; + unsigned long pkey_flags; + char *pem_str; + char *info; + int (*pub_decode) (EVP_PKEY *pk, X509_PUBKEY *pub); + int (*pub_encode) (X509_PUBKEY *pub, const EVP_PKEY *pk); + int (*pub_cmp) (const EVP_PKEY *a, const EVP_PKEY *b); + int (*pub_print) (BIO *out, const EVP_PKEY *pkey, int indent, + ASN1_PCTX *pctx); + int (*priv_decode) (EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf); + int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk); + int (*priv_print) (BIO *out, const EVP_PKEY *pkey, int indent, + ASN1_PCTX *pctx); + int (*pkey_size) (const EVP_PKEY *pk); + int (*pkey_bits) (const EVP_PKEY *pk); + int (*pkey_security_bits) (const EVP_PKEY *pk); + int (*param_decode) (EVP_PKEY *pkey, + const unsigned char **pder, int derlen); + int (*param_encode) (const EVP_PKEY *pkey, unsigned char **pder); + int (*param_missing) (const EVP_PKEY *pk); + int (*param_copy) (EVP_PKEY *to, const EVP_PKEY *from); + int (*param_cmp) (const EVP_PKEY *a, const EVP_PKEY *b); + int (*param_print) (BIO *out, const EVP_PKEY *pkey, int indent, + ASN1_PCTX *pctx); + int (*sig_print) (BIO *out, + const X509_ALGOR *sigalg, const ASN1_STRING *sig, + int indent, ASN1_PCTX *pctx); + void (*pkey_free) (EVP_PKEY *pkey); + int (*pkey_ctrl) (EVP_PKEY *pkey, int op, long arg1, void *arg2); + /* Legacy functions for old PEM */ + int (*old_priv_decode) (EVP_PKEY *pkey, + const unsigned char **pder, int derlen); + int (*old_priv_encode) (const EVP_PKEY *pkey, unsigned char **pder); + /* Custom ASN1 signature verification */ + int (*item_verify) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, + X509_ALGOR *a, ASN1_BIT_STRING *sig, EVP_PKEY *pkey); + int (*item_sign) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn, + X509_ALGOR *alg1, X509_ALGOR *alg2, + ASN1_BIT_STRING *sig); + int (*siginf_set) (X509_SIG_INFO *siginf, const X509_ALGOR *alg, + const ASN1_STRING *sig); + /* Check */ + int (*pkey_check) (const EVP_PKEY *pk); + int (*pkey_public_check) (const EVP_PKEY *pk); + int (*pkey_param_check) (const EVP_PKEY *pk); + /* Get/set raw private/public key data */ + int (*set_priv_key) (EVP_PKEY *pk, const unsigned char *priv, size_t len); + int (*set_pub_key) (EVP_PKEY *pk, const unsigned char *pub, size_t len); + int (*get_priv_key) (const EVP_PKEY *pk, unsigned char *priv, size_t *len); + int (*get_pub_key) (const EVP_PKEY *pk, unsigned char *pub, size_t *len); +} /* EVP_PKEY_ASN1_METHOD */ ; + +DEFINE_STACK_OF_CONST(EVP_PKEY_ASN1_METHOD) + +extern const EVP_PKEY_ASN1_METHOD cmac_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD dhx_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[5]; +extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD ecx25519_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD ecx448_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD ed25519_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD ed448_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD sm2_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD poly1305_asn1_meth; + +extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[2]; +extern const EVP_PKEY_ASN1_METHOD rsa_pss_asn1_meth; +extern const EVP_PKEY_ASN1_METHOD siphash_asn1_meth; + +/* + * These are used internally in the ASN1_OBJECT to keep track of whether the + * names and data need to be free()ed + */ +# define ASN1_OBJECT_FLAG_DYNAMIC 0x01/* internal use */ +# define ASN1_OBJECT_FLAG_CRITICAL 0x02/* critical x509v3 object id */ +# define ASN1_OBJECT_FLAG_DYNAMIC_STRINGS 0x04/* internal use */ +# define ASN1_OBJECT_FLAG_DYNAMIC_DATA 0x08/* internal use */ +struct asn1_object_st { + const char *sn, *ln; + int nid; + int length; + const unsigned char *data; /* data remains const after init */ + int flags; /* Should we free this one */ +}; + +/* ASN1 print context structure */ + +struct asn1_pctx_st { + unsigned long flags; + unsigned long nm_flags; + unsigned long cert_flags; + unsigned long oid_flags; + unsigned long str_flags; +} /* ASN1_PCTX */ ; + +int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb); |