if (ctx->pctx == NULL)
return 0;
- if (type == NULL)
+ if (!(ctx->pctx->pmeth->flags & EVP_PKEY_FLAG_SIGCTX_CUSTOM))
{
- int def_nid;
- if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) > 0)
- type = EVP_get_digestbynid(def_nid);
- }
- if (type == NULL)
- {
- EVPerr(EVP_F_DO_SIGVER_INIT, EVP_R_NO_DEFAULT_DIGEST);
- return 0;
+ if (type == NULL)
+ {
+ int def_nid;
+ if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) > 0)
+ type = EVP_get_digestbynid(def_nid);
+ }
+
+ if (type == NULL)
+ {
+ EVPerr(EVP_F_DO_SIGVER_INIT, EVP_R_NO_DEFAULT_DIGEST);
+ return 0;
+ }
}
if (ver)
return 0;
if (pctx)
*pctx = ctx->pctx;
+ if (ctx->pctx->pmeth->flags & EVP_PKEY_FLAG_SIGCTX_CUSTOM)
+ return 1;
if (!EVP_DigestInit_ex(ctx, type, e))
return 0;
return 1;
int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen)
{
int sctx, r = 0;
- if (ctx->pctx->pmeth->signctx)
+ EVP_PKEY_CTX *pctx = ctx->pctx;
+ if (pctx->pmeth->flags & EVP_PKEY_FLAG_SIGCTX_CUSTOM)
+ {
+ if (!sigret)
+ return pctx->pmeth->signctx(pctx, sigret, siglen, ctx);
+ if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE)
+ r = pctx->pmeth->signctx(pctx, sigret, siglen, ctx);
+ else
+ {
+ EVP_PKEY_CTX *dctx = EVP_PKEY_CTX_dup(ctx->pctx);
+ if (!dctx)
+ return 0;
+ r = dctx->pmeth->signctx(dctx, sigret, siglen, ctx);
+ EVP_PKEY_CTX_free(dctx);
+ }
+ return r;
+ }
+ if (pctx->pmeth->signctx)
sctx = 1;
else
sctx = 0;
if (sigret)
{
- MS_STATIC EVP_MD_CTX tmp_ctx;
unsigned char md[EVP_MAX_MD_SIZE];
unsigned int mdlen;
- EVP_MD_CTX_init(&tmp_ctx);
- if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx))
- return 0;
- if (sctx)
- r = tmp_ctx.pctx->pmeth->signctx(tmp_ctx.pctx,
- sigret, siglen, &tmp_ctx);
+ if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE)
+ {
+ if (sctx)
+ r = ctx->pctx->pmeth->signctx(ctx->pctx,
+ sigret, siglen, ctx);
+ else
+ r = EVP_DigestFinal_ex(ctx, md, &mdlen);
+ }
else
- r = EVP_DigestFinal_ex(&tmp_ctx,md,&mdlen);
- EVP_MD_CTX_cleanup(&tmp_ctx);
+ {
+ EVP_MD_CTX tmp_ctx;
+ EVP_MD_CTX_init(&tmp_ctx);
+ if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx))
+ return 0;
+ if (sctx)
+ r = tmp_ctx.pctx->pmeth->signctx(tmp_ctx.pctx,
+ sigret, siglen, &tmp_ctx);
+ else
+ r = EVP_DigestFinal_ex(&tmp_ctx, md, &mdlen);
+ EVP_MD_CTX_cleanup(&tmp_ctx);
+ }
if (sctx || !r)
return r;
if (EVP_PKEY_sign(ctx->pctx, sigret, siglen, md, mdlen) <= 0)
{
if (sctx)
{
- if (ctx->pctx->pmeth->signctx(ctx->pctx, sigret, siglen, ctx) <= 0)
+ if (pctx->pmeth->signctx(pctx, sigret, siglen, ctx) <= 0)
return 0;
}
else
{
int s = EVP_MD_size(ctx->digest);
- if (s < 0 || EVP_PKEY_sign(ctx->pctx, sigret, siglen, NULL, s) <= 0)
+ if (s < 0 || EVP_PKEY_sign(pctx, sigret, siglen, NULL, s) <= 0)
return 0;
}
}
int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen)
{
- MS_STATIC EVP_MD_CTX tmp_ctx;
unsigned char md[EVP_MAX_MD_SIZE];
int r;
unsigned int mdlen;
int vctx;
- /* FIXME: surely this should test verifyctx? (Ben 29/12/08) */
- if (ctx->pctx->pmeth->signctx)
+ if (ctx->pctx->pmeth->verifyctx)
vctx = 1;
else
vctx = 0;
- EVP_MD_CTX_init(&tmp_ctx);
- if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx))
- return -1;
- if (vctx)
+ if (ctx->flags & EVP_MD_CTX_FLAG_FINALISE)
{
- r = tmp_ctx.pctx->pmeth->verifyctx(tmp_ctx.pctx,
- sig, siglen, &tmp_ctx);
+ if (vctx)
+ {
+ r = ctx->pctx->pmeth->verifyctx(ctx->pctx,
+ sig, siglen, ctx);
+ }
+ else
+ r = EVP_DigestFinal_ex(ctx, md, &mdlen);
}
else
- r = EVP_DigestFinal_ex(&tmp_ctx,md,&mdlen);
- EVP_MD_CTX_cleanup(&tmp_ctx);
+ {
+ EVP_MD_CTX tmp_ctx;
+ EVP_MD_CTX_init(&tmp_ctx);
+ if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx))
+ return -1;
+ if (vctx)
+ {
+ r = tmp_ctx.pctx->pmeth->verifyctx(tmp_ctx.pctx,
+ sig, siglen, &tmp_ctx);
+ }
+ else
+ r = EVP_DigestFinal_ex(&tmp_ctx,md,&mdlen);
+ EVP_MD_CTX_cleanup(&tmp_ctx);
+ }
if (vctx || !r)
return r;
return EVP_PKEY_verify(ctx->pctx, sig, siglen, md, mdlen);