diff options
author | Ben Laurie <ben@openssl.org> | 2001-09-26 15:15:03 +0000 |
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committer | Ben Laurie <ben@openssl.org> | 2001-09-26 15:15:03 +0000 |
commit | 0fea7ed4a449f503c7b265d0a1a6199745ea1a26 (patch) | |
tree | c85339d79e422b4d2f973f7b85461d13b47d2f84 /crypto/evp/digest.c | |
parent | dbeac560aa111c9fb71e2c9993d59f264c3c0bd7 (diff) | |
download | openssl-0fea7ed4a449f503c7b265d0a1a6199745ea1a26.tar.gz |
Don't clean up stuff twice.
Diffstat (limited to 'crypto/evp/digest.c')
-rw-r--r-- | crypto/evp/digest.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/crypto/evp/digest.c b/crypto/evp/digest.c index 5178df6eb2..aa1729012e 100644 --- a/crypto/evp/digest.c +++ b/crypto/evp/digest.c @@ -133,8 +133,10 @@ int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type) { return EVP_DigestInit_ex(ctx, type, NULL); } + int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl) { + EVP_MD_CTX_clear_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); /* Whether it's nice or not, "Inits" can be used on "Final"'d contexts * so this context may already have an ENGINE! Try to avoid releasing * the previous handle, re-querying for an ENGINE, and having a @@ -202,7 +204,11 @@ int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) ret=ctx->digest->final(ctx,md); if (size != NULL) *size=ctx->digest->md_size; - /* FIXME: add a cleanup function to the ctx? */ + if (ctx->digest->cleanup) + { + ctx->digest->cleanup(ctx); + EVP_MD_CTX_set_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); + } memset(ctx->md_data,0,ctx->digest->ctx_size); return ret; } @@ -264,7 +270,8 @@ int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx) /* Don't assume ctx->md_data was cleaned in EVP_Digest_Final, * because sometimes only copies of the context are ever finalised. */ - if (ctx->digest && ctx->digest->cleanup) + if (ctx->digest && ctx->digest->cleanup + && !EVP_MD_CTX_test_flags(ctx,EVP_MD_CTX_FLAG_CLEANED)) ctx->digest->cleanup(ctx); if (ctx->digest && ctx->digest->ctx_size && ctx->md_data) { |