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Add functions to allow setting and adding external EVP_PKEY_METHOD.

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This commit is contained in:
Dr. Stephen Henson 2006-04-14 12:41:35 +00:00
parent ffb1ac674c
commit ba30bad57b
3 changed files with 228 additions and 0 deletions
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59
crypto/evp/evp.h
View File

@ -987,6 +987,65 @@ int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
int (*init)(EVP_PKEY_CTX *ctx));
void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
void (*cleanup)(EVP_PKEY_CTX *ctx));
void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
int (*paramgen_init)(EVP_PKEY_CTX *ctx),
int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
int (*keygen_init)(EVP_PKEY_CTX *ctx),
int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
int (*sign_init)(EVP_PKEY_CTX *ctx),
int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen,
const unsigned char *tbs, int tbslen));
void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
int (*verify_init)(EVP_PKEY_CTX *ctx),
int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
const unsigned char *tbs, int tbslen));
void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
int (*verify_recover)(EVP_PKEY_CTX *ctx,
unsigned char *sig, int *siglen,
const unsigned char *tbs, int tbslen));
void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen,
EVP_MD_CTX *mctx));
void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen,
EVP_MD_CTX *mctx));
void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
int (*encrypt_init)(EVP_PKEY_CTX *ctx),
int (*encrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen,
const unsigned char *in, int inlen));
void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
int (*decrypt_init)(EVP_PKEY_CTX *ctx),
int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen,
const unsigned char *in, int inlen));
void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
int (*derive_init)(EVP_PKEY_CTX *ctx),
int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, int *keylen));
void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
int (*ctrl_str)(EVP_PKEY_CTX *ctx,
const char *type, const char *value));
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.

2
crypto/evp/evp_locl.h
View File

@ -256,6 +256,8 @@ struct evp_pkey_ctx_st
int keygen_info_count;
} /* EVP_PKEY_CTX */;
#define EVP_PKEY_DYNAMIC 1
struct evp_pkey_method_st
{
int pkey_id;

167
crypto/evp/pmeth_lib.c
View File

@ -64,6 +64,7 @@
#include "asn1_locl.h"
#include "evp_locl.h"
typedef int sk_cmp_fn_type(const char * const *a, const char * const *b);
STACK *app_pkey_methods = NULL;
extern EVP_PKEY_METHOD rsa_pkey_meth, dh_pkey_meth, dsa_pkey_meth;
@ -137,6 +138,50 @@ static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id)
return ret;
}
EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags)
{
EVP_PKEY_METHOD *pmeth;
pmeth = OPENSSL_malloc(sizeof(EVP_PKEY_METHOD));
if (!pmeth)
return NULL;
pmeth->pkey_id = id;
pmeth->flags = flags | EVP_PKEY_DYNAMIC;
pmeth->init = 0;
pmeth->cleanup = 0;
pmeth->paramgen_init = 0;
pmeth->paramgen = 0;
pmeth->keygen_init = 0;
pmeth->keygen = 0;
pmeth->sign_init = 0;
pmeth->sign = 0;
pmeth->verify_init = 0;
pmeth->verify = 0;
pmeth->verify_recover_init = 0;
pmeth->verify_recover = 0;
pmeth->signctx_init = 0;
pmeth->signctx = 0;
pmeth->verifyctx_init = 0;
pmeth->verifyctx = 0;
pmeth->encrypt_init = 0;
pmeth->encrypt = 0;
pmeth->decrypt_init = 0;
pmeth->decrypt = 0;
pmeth->derive_init = 0;
pmeth->derive = 0;
pmeth->ctrl = 0;
pmeth->ctrl_str = 0;
return pmeth;
}
void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth)
{
if (pmeth && (pmeth->flags & EVP_PKEY_DYNAMIC))
OPENSSL_free(pmeth);
}
EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e)
{
return int_ctx_new(pkey, e, -1);
@ -147,6 +192,20 @@ EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e)
return int_ctx_new(NULL, e, id);
}
int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth)
{
if (app_pkey_methods == NULL)
{
app_pkey_methods = sk_new((sk_cmp_fn_type *)pmeth_cmp);
if (!app_pkey_methods)
return 0;
}
if (!sk_push(app_pkey_methods, (char *)pmeth))
return 0;
sk_sort(app_pkey_methods);
return 1;
}
void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx)
{
if (ctx->pmeth && ctx->pmeth->cleanup)
@ -233,3 +292,111 @@ void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx)
{
return ctx->app_data;
}
void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
int (*init)(EVP_PKEY_CTX *ctx))
{
pmeth->init = init;
}
void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
void (*cleanup)(EVP_PKEY_CTX *ctx))
{
pmeth->cleanup = cleanup;
}
void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
int (*paramgen_init)(EVP_PKEY_CTX *ctx),
int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey))
{
pmeth->paramgen_init = paramgen_init;
pmeth->paramgen = paramgen;
}
void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
int (*keygen_init)(EVP_PKEY_CTX *ctx),
int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey))
{
pmeth->keygen_init = keygen_init;
pmeth->keygen = keygen;
}
void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
int (*sign_init)(EVP_PKEY_CTX *ctx),
int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen,
const unsigned char *tbs, int tbslen))
{
pmeth->sign_init = sign_init;
pmeth->sign = sign;
}
void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
int (*verify_init)(EVP_PKEY_CTX *ctx),
int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
const unsigned char *tbs, int tbslen))
{
pmeth->verify_init = verify_init;
pmeth->verify = verify;
}
void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
int (*verify_recover)(EVP_PKEY_CTX *ctx,
unsigned char *sig, int *siglen,
const unsigned char *tbs, int tbslen))
{
pmeth->verify_recover_init = verify_recover_init;
pmeth->verify_recover = verify_recover;
}
void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, int *siglen,
EVP_MD_CTX *mctx))
{
pmeth->signctx_init = signctx_init;
pmeth->signctx = signctx;
}
void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen,
EVP_MD_CTX *mctx))
{
pmeth->verifyctx_init = verifyctx_init;
pmeth->verifyctx = verifyctx;
}
void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
int (*encrypt_init)(EVP_PKEY_CTX *ctx),
int (*encrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen,
const unsigned char *in, int inlen))
{
pmeth->encrypt_init = encrypt_init;
pmeth->encrypt = encrypt;
}
void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
int (*decrypt_init)(EVP_PKEY_CTX *ctx),
int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, int *outlen,
const unsigned char *in, int inlen))
{
pmeth->decrypt_init = decrypt_init;
pmeth->decrypt = decrypt;
}
void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
int (*derive_init)(EVP_PKEY_CTX *ctx),
int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, int *keylen))
{
pmeth->derive_init = derive_init;
pmeth->derive = derive;
}
void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value))
{
pmeth->ctrl = ctrl;
pmeth->ctrl_str = ctrl_str;
}