From b40228a61d2f9b40fa6a834c9beaa8ee9dc490c1 Mon Sep 17 00:00:00 2001 From: "Dr. Stephen Henson" Date: Fri, 2 Dec 2005 13:46:39 +0000 Subject: [PATCH] New functions to support opaque EVP_CIPHER_CTX handling. --- CHANGES | 4 ++++ crypto/evp/evp.h | 2 ++ crypto/evp/evp_enc.c | 16 ++++++++++++++++ 3 files changed, 22 insertions(+) diff --git a/CHANGES b/CHANGES index 33b98a418a..67cd88c1d8 100644 --- a/CHANGES +++ b/CHANGES @@ -73,6 +73,10 @@ Changes between 0.9.8a and 0.9.8b [XX xxx XXXX] + *) New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free() to support + opaque EVP_CIPHER_CTX handling. + [Steve Henson] + *) Several fixes and enhancements to the OID generation code. The old code sometimes allowed invalid OIDs (1.X for X >= 40 for example), couldn't handle numbers larger than ULONG_MAX, truncated printing and had a diff --git a/crypto/evp/evp.h b/crypto/evp/evp.h index 0f5c9feeb4..3f90b175c7 100644 --- a/crypto/evp/evp.h +++ b/crypto/evp/evp.h @@ -580,6 +580,8 @@ int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n); void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a); int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a); +EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void); +void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a); int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen); int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad); int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr); diff --git a/crypto/evp/evp_enc.c b/crypto/evp/evp_enc.c index 22cb6131be..f0b725def6 100644 --- a/crypto/evp/evp_enc.c +++ b/crypto/evp/evp_enc.c @@ -74,6 +74,13 @@ void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *ctx) /* ctx->cipher=NULL; */ } +EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void) + { + EVP_CIPHER_CTX *ctx=OPENSSL_malloc(sizeof *ctx); + if (ctx) + EVP_CIPHER_CTX_init(ctx); + return ctx; + } int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, const unsigned char *key, const unsigned char *iv, int enc) @@ -472,6 +479,15 @@ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl) return(1); } +void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx) + { + if (ctx) + { + EVP_CIPHER_CTX_cleanup(ctx); + OPENSSL_free(ctx); + } + } + int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *c) { if (c->cipher != NULL) -- 2.25.1