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New functions to get key types without dereferncing EVP_PKEY.

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More error checking for RSA pmeth.
This commit is contained in:
Dr. Stephen Henson 2006-05-11 21:33:00 +00:00
parent 7144c4212a
commit 7f57b076a6
5 changed files with 46 additions and 5 deletions
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2
crypto/evp/evp.h
View File

@ -717,6 +717,8 @@ int EVP_PKEY_encrypt_old(unsigned char *enc_key,
const unsigned char *key,int key_len,
EVP_PKEY *pub_key);
int EVP_PKEY_type(int type);
int EVP_PKEY_id(const EVP_PKEY *pkey);
int EVP_PKEY_base_id(const EVP_PKEY *pkey);
int EVP_PKEY_bits(EVP_PKEY *pkey);
int EVP_PKEY_size(EVP_PKEY *pkey);
int EVP_PKEY_assign(EVP_PKEY *pkey,int type,void *key);

10
crypto/evp/p_lib.c
View File

@ -297,6 +297,16 @@ int EVP_PKEY_type(int type)
return NID_undef;
}
int EVP_PKEY_id(const EVP_PKEY *pkey)
{
return pkey->type;
}
int EVP_PKEY_base_id(const EVP_PKEY *pkey)
{
return EVP_PKEY_type(pkey->type);
}
void EVP_PKEY_free(EVP_PKEY *x)
{
int i;

6
crypto/rsa/rsa.h
View File

@ -372,6 +372,8 @@ void ERR_load_RSA_strings(void);
/* Function codes. */
#define RSA_F_CHECK_PADDING_MD 140
#define RSA_F_MEMORY_LOCK 100
#define RSA_F_PKEY_RSA_CTRL 143
#define RSA_F_PKEY_RSA_CTRL_STR 144
#define RSA_F_PKEY_RSA_SIGN 142
#define RSA_F_PKEY_RSA_VERIFYRECOVER 141
#define RSA_F_RSA_BUILTIN_KEYGEN 129
@ -433,12 +435,15 @@ void ERR_load_RSA_strings(void);
#define RSA_R_DMQ1_NOT_CONGRUENT_TO_D 125
#define RSA_R_D_E_NOT_CONGRUENT_TO_1 123
#define RSA_R_FIRST_OCTET_INVALID 133
#define RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE 144
#define RSA_R_INVALID_DIGEST 105
#define RSA_R_INVALID_DIGEST_LENGTH 143
#define RSA_R_INVALID_HEADER 137
#define RSA_R_INVALID_KEYBITS 145
#define RSA_R_INVALID_MESSAGE_LENGTH 131
#define RSA_R_INVALID_PADDING 138
#define RSA_R_INVALID_PADDING_MODE 141
#define RSA_R_INVALID_PSS_SALTLEN 146
#define RSA_R_INVALID_TRAILER 139
#define RSA_R_INVALID_X931_DIGEST 142
#define RSA_R_IQMP_NOT_INVERSE_OF_Q 126
@ -458,6 +463,7 @@ void ERR_load_RSA_strings(void);
#define RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD 116
#define RSA_R_UNKNOWN_ALGORITHM_TYPE 117
#define RSA_R_UNKNOWN_PADDING_TYPE 118
#define RSA_R_VALUE_MISSING 147
#define RSA_R_WRONG_SIGNATURE_LENGTH 119
#ifdef __cplusplus

6
crypto/rsa/rsa_err.c
View File

@ -72,6 +72,8 @@ static ERR_STRING_DATA RSA_str_functs[]=
{
{ERR_FUNC(RSA_F_CHECK_PADDING_MD), "CHECK_PADDING_MD"},
{ERR_FUNC(RSA_F_MEMORY_LOCK), "MEMORY_LOCK"},
{ERR_FUNC(RSA_F_PKEY_RSA_CTRL), "PKEY_RSA_CTRL"},
{ERR_FUNC(RSA_F_PKEY_RSA_CTRL_STR), "PKEY_RSA_CTRL_STR"},
{ERR_FUNC(RSA_F_PKEY_RSA_SIGN), "PKEY_RSA_SIGN"},
{ERR_FUNC(RSA_F_PKEY_RSA_VERIFYRECOVER), "PKEY_RSA_VERIFYRECOVER"},
{ERR_FUNC(RSA_F_RSA_BUILTIN_KEYGEN), "RSA_BUILTIN_KEYGEN"},
@ -136,12 +138,15 @@ static ERR_STRING_DATA RSA_str_reasons[]=
{ERR_REASON(RSA_R_DMQ1_NOT_CONGRUENT_TO_D),"dmq1 not congruent to d"},
{ERR_REASON(RSA_R_D_E_NOT_CONGRUENT_TO_1),"d e not congruent to 1"},
{ERR_REASON(RSA_R_FIRST_OCTET_INVALID) ,"first octet invalid"},
{ERR_REASON(RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE),"illegal or unsupported padding mode"},
{ERR_REASON(RSA_R_INVALID_DIGEST) ,"invalid digest"},
{ERR_REASON(RSA_R_INVALID_DIGEST_LENGTH) ,"invalid digest length"},
{ERR_REASON(RSA_R_INVALID_HEADER) ,"invalid header"},
{ERR_REASON(RSA_R_INVALID_KEYBITS) ,"invalid keybits"},
{ERR_REASON(RSA_R_INVALID_MESSAGE_LENGTH),"invalid message length"},
{ERR_REASON(RSA_R_INVALID_PADDING) ,"invalid padding"},
{ERR_REASON(RSA_R_INVALID_PADDING_MODE) ,"invalid padding mode"},
{ERR_REASON(RSA_R_INVALID_PSS_SALTLEN) ,"invalid pss saltlen"},
{ERR_REASON(RSA_R_INVALID_TRAILER) ,"invalid trailer"},
{ERR_REASON(RSA_R_INVALID_X931_DIGEST) ,"invalid x931 digest"},
{ERR_REASON(RSA_R_IQMP_NOT_INVERSE_OF_Q) ,"iqmp not inverse of q"},
@ -161,6 +166,7 @@ static ERR_STRING_DATA RSA_str_reasons[]=
{ERR_REASON(RSA_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD),"the asn1 object identifier is not known for this md"},
{ERR_REASON(RSA_R_UNKNOWN_ALGORITHM_TYPE),"unknown algorithm type"},
{ERR_REASON(RSA_R_UNKNOWN_PADDING_TYPE) ,"unknown padding type"},
{ERR_REASON(RSA_R_VALUE_MISSING) ,"value missing"},
{ERR_REASON(RSA_R_WRONG_SIGNATURE_LENGTH),"wrong signature length"},
{0,NULL}
};

27
crypto/rsa/rsa_pmeth.c
View File

@ -362,34 +362,44 @@ static int pkey_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
return 0;
if (p1 == RSA_PKCS1_PSS_PADDING)
{
if (ctx->operation == EVP_PKEY_OP_VERIFYRECOVER)
return -2;
if (!(ctx->operation &
(EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY)))
goto bad_pad;
if (!rctx->md)
rctx->md = EVP_sha1();
}
if (p1 == RSA_PKCS1_OAEP_PADDING)
{
if (!(ctx->operation & EVP_PKEY_OP_TYPE_CRYPT))
return -2;
goto bad_pad;
if (!rctx->md)
rctx->md = EVP_sha1();
}
rctx->pad_mode = p1;
return 1;
}
bad_pad:
RSAerr(RSA_F_PKEY_RSA_CTRL,
RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE);
return -2;
case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
if (p1 < -2)
return -2;
if (rctx->pad_mode != RSA_PKCS1_PSS_PADDING)
{
RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PSS_SALTLEN);
return -2;
}
rctx->saltlen = p1;
return 1;
case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
if (p1 < 256)
{
RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_KEYBITS);
return -2;
}
rctx->nbits = p1;
return 1;
@ -418,11 +428,14 @@ static int pkey_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
const char *type, const char *value)
{
if (!value)
{
RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_VALUE_MISSING);
return 0;
}
if (!strcmp(type, "rsa_padding_mode"))
{
int pm;
if (!value)
return 0;
if (!strcmp(value, "pkcs1"))
pm = RSA_PKCS1_PADDING;
else if (!strcmp(value, "sslv23"))
@ -436,7 +449,11 @@ static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
else if (!strcmp(value, "pss"))
pm = RSA_PKCS1_PSS_PADDING;
else
{
RSAerr(RSA_F_PKEY_RSA_CTRL_STR,
RSA_R_UNKNOWN_PADDING_TYPE);
return -2;
}
return EVP_PKEY_CTX_set_rsa_padding(ctx, pm);
}