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ecjpake.h File Reference
Elliptic curve J-PAKE. More...
Go to the source code of this file.
Data Structures | |
| struct | mbedtls_ecjpake_context |
| EC J-PAKE context structure. More... | |
Enumerations | |
| enum | mbedtls_ecjpake_role { MBEDTLS_ECJPAKE_CLIENT = 0, MBEDTLS_ECJPAKE_SERVER } |
Roles in the EC J-PAKE exchange. More... | |
Functions | |
| void | mbedtls_ecjpake_init (mbedtls_ecjpake_context *ctx) |
| Initialize a context (just makes it ready for setup() or free()). | |
| int | mbedtls_ecjpake_setup (mbedtls_ecjpake_context *ctx, mbedtls_ecjpake_role role, mbedtls_md_type_t hash, mbedtls_ecp_group_id curve, const unsigned char *secret, size_t len) |
| Set up a context for use. | |
| int | mbedtls_ecjpake_check (const mbedtls_ecjpake_context *ctx) |
| Check if a context is ready for use. | |
| int | mbedtls_ecjpake_write_round_one (mbedtls_ecjpake_context *ctx, unsigned char *buf, size_t len, size_t *olen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng) |
| Generate and write the first round message (TLS: contents of the Client/ServerHello extension, excluding extension type and length bytes) | |
| int | mbedtls_ecjpake_read_round_one (mbedtls_ecjpake_context *ctx, const unsigned char *buf, size_t len) |
| Read and process the first round message (TLS: contents of the Client/ServerHello extension, excluding extension type and length bytes) | |
| int | mbedtls_ecjpake_write_round_two (mbedtls_ecjpake_context *ctx, unsigned char *buf, size_t len, size_t *olen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng) |
| Generate and write the second round message (TLS: contents of the Client/ServerKeyExchange) | |
| int | mbedtls_ecjpake_read_round_two (mbedtls_ecjpake_context *ctx, const unsigned char *buf, size_t len) |
| Read and process the second round message (TLS: contents of the Client/ServerKeyExchange) | |
| int | mbedtls_ecjpake_derive_secret (mbedtls_ecjpake_context *ctx, unsigned char *buf, size_t len, size_t *olen, int(*f_rng)(void *, unsigned char *, size_t), void *p_rng) |
| Derive the shared secret (TLS: Pre-Master Secret) | |
| void | mbedtls_ecjpake_free (mbedtls_ecjpake_context *ctx) |
| Free a context's content. | |
| int | mbedtls_ecjpake_self_test (int verbose) |
| Checkup routine. | |
Detailed Description
Elliptic curve J-PAKE.
Definition in file ecjpake.h.
Enumeration Type Documentation
| enum mbedtls_ecjpake_role |
Function Documentation
| int mbedtls_ecjpake_check | ( | const mbedtls_ecjpake_context * | ctx ) |
| int mbedtls_ecjpake_derive_secret | ( | mbedtls_ecjpake_context * | ctx, |
| unsigned char * | buf, | ||
| size_t | len, | ||
| size_t * | olen, | ||
| int(*)(void *, unsigned char *, size_t) | f_rng, | ||
| void * | p_rng | ||
| ) |
Derive the shared secret (TLS: Pre-Master Secret)
- Parameters:
-
ctx Context to use buf Buffer to write the contents to len Buffer size olen Will be updated with the number of bytes written f_rng RNG function p_rng RNG parameter
- Returns:
- 0 if successfull, a negative error code otherwise
| void mbedtls_ecjpake_free | ( | mbedtls_ecjpake_context * | ctx ) |
| void mbedtls_ecjpake_init | ( | mbedtls_ecjpake_context * | ctx ) |
| int mbedtls_ecjpake_read_round_one | ( | mbedtls_ecjpake_context * | ctx, |
| const unsigned char * | buf, | ||
| size_t | len | ||
| ) |
Read and process the first round message (TLS: contents of the Client/ServerHello extension, excluding extension type and length bytes)
- Parameters:
-
ctx Context to use buf Pointer to extension contents len Extension length
- Returns:
- 0 if successfull, a negative error code otherwise
| int mbedtls_ecjpake_read_round_two | ( | mbedtls_ecjpake_context * | ctx, |
| const unsigned char * | buf, | ||
| size_t | len | ||
| ) |
| int mbedtls_ecjpake_self_test | ( | int | verbose ) |
| int mbedtls_ecjpake_setup | ( | mbedtls_ecjpake_context * | ctx, |
| mbedtls_ecjpake_role | role, | ||
| mbedtls_md_type_t | hash, | ||
| mbedtls_ecp_group_id | curve, | ||
| const unsigned char * | secret, | ||
| size_t | len | ||
| ) |
Set up a context for use.
- Note:
- Currently the only values for hash/curve allowed by the standard are MBEDTLS_MD_SHA256/MBEDTLS_ECP_DP_SECP256R1.
- Parameters:
-
ctx context to set up role Our role: client or server hash hash function to use (MBEDTLS_MD_XXX) curve elliptic curve identifier (MBEDTLS_ECP_DP_XXX) secret pre-shared secret (passphrase) len length of the shared secret
- Returns:
- 0 if successfull, a negative error code otherwise
| int mbedtls_ecjpake_write_round_one | ( | mbedtls_ecjpake_context * | ctx, |
| unsigned char * | buf, | ||
| size_t | len, | ||
| size_t * | olen, | ||
| int(*)(void *, unsigned char *, size_t) | f_rng, | ||
| void * | p_rng | ||
| ) |
Generate and write the first round message (TLS: contents of the Client/ServerHello extension, excluding extension type and length bytes)
- Parameters:
-
ctx Context to use buf Buffer to write the contents to len Buffer size olen Will be updated with the number of bytes written f_rng RNG function p_rng RNG parameter
- Returns:
- 0 if successfull, a negative error code otherwise
| int mbedtls_ecjpake_write_round_two | ( | mbedtls_ecjpake_context * | ctx, |
| unsigned char * | buf, | ||
| size_t | len, | ||
| size_t * | olen, | ||
| int(*)(void *, unsigned char *, size_t) | f_rng, | ||
| void * | p_rng | ||
| ) |
Generate and write the second round message (TLS: contents of the Client/ServerKeyExchange)
- Parameters:
-
ctx Context to use buf Buffer to write the contents to len Buffer size olen Will be updated with the number of bytes written f_rng RNG function p_rng RNG parameter
- Returns:
- 0 if successfull, a negative error code otherwise
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