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