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Add ctrl to EVP_MD and EVP_PKEY_CTX to EVP_MD_CTX. These will be used

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for enhanced sign/verify operations.
This commit is contained in:
Dr. Stephen Henson 2006-05-22 13:01:01 +00:00
parent 74aa1a4378
commit 0965991600
1 changed files with 36 additions and 0 deletions
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36
crypto/evp/evp.h
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@ -176,6 +176,8 @@ struct env_md_st
int required_pkey_type[5]; /*EVP_PKEY_xxx */
int block_size;
int ctx_size; /* how big does the ctx->md_data need to be */
/* control function */
int (*md_ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
} /* EVP_MD */;
typedef int evp_sign_method(int type,const unsigned char *m,
@ -197,6 +199,30 @@ typedef int evp_verify_method(int type,const unsigned char *m,
#define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE 0x0004
/* DigestAlgorithmIdentifier flags... */
#define EVP_MD_FLAG_DIGALGID_MASK 0x0018
/* NULL or absent parameter accepted. Use NULL */
#define EVP_MD_FLAG_DIGALGID_NULL 0x0000
/* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
#define EVP_MD_FLAG_DIGALGID_ABSENT 0x0008
/* Custom handling via ctrl */
#define EVP_MD_FLAG_DIGALGID_CUSTOM 0x0018
/* Digest ctrls */
#define EVP_MD_CTRL_DIGALGID 0x1
/* Minimum Algorithm specific ctrl value */
#define EVP_MD_CTRL_ALG_CTRL 0x1000
#define EVP_PKEY_NULL_method NULL,NULL,{0,0,0,0}
#ifndef OPENSSL_NO_DSA
@ -237,6 +263,8 @@ struct env_md_ctx_st
ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
unsigned long flags;
void *md_data;
/* Public key context for sign/verify */
EVP_PKEY_CTX *pctx;
} /* EVP_MD_CTX */;
/* values for EVP_MD_CTX flags */
@ -248,6 +276,14 @@ struct env_md_ctx_st
#define EVP_MD_CTX_FLAG_REUSE 0x0004 /* Don't free up ctx->md_data
* in EVP_MD_CTX_cleanup */
/* MD operational flags */
#define EVP_MD_CTX_FLAG_OP_MASK 0x00f0
#define EVP_MD_CTX_FLAG_OP_DIGEST 0x0000
#define EVP_MD_CTX_FLAG_OP_SIGN 0x0010
#define EVP_MD_CTX_FLAG_OP_VERIFY 0x0020
struct evp_cipher_st
{
int nid;