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ECField
public
interface
ECField
| java.security.spec.ECField
|
Known indirect subclasses
| ECFieldF2m |
This immutable class defines an elliptic curve (EC)
characteristic 2 finite field.
|
| ECFieldFp |
This immutable class defines an elliptic curve (EC) prime
finite field.
|
|
This interface represents an elliptic curve (EC) finite field.
All specialized EC fields must implements this interface.
Summary
Public methods |
|---|
abstract
int
|
getFieldSize()
Returns the field size in bits.
|
Public methods
getFieldSize
public abstract int getFieldSize ()
Returns the field size in bits. Note: For prime finite
field ECFieldFp, size of prime p in bits is returned.
For characteristic 2 finite field ECFieldF2m, m is returned.
| Returns |
|---|
int |
the field size in bits. |
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Last updated 2025-02-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-02-10 UTC."],[],[],null,["# ECField\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \nSummary: [Methods](#pubmethods) \n\nECField\n=======\n\n\n`\npublic\n\n\ninterface\nECField\n`\n\n\n`\n\n\n`\n\n|----------------------------|\n| java.security.spec.ECField |\n\n|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| Known indirect subclasses [ECFieldF2m](/reference/java/security/spec/ECFieldF2m), [ECFieldFp](/reference/java/security/spec/ECFieldFp) |--------------------------------------------------------|------------------------------------------------------------------------------------| | [ECFieldF2m](/reference/java/security/spec/ECFieldF2m) | This immutable class defines an elliptic curve (EC) characteristic 2 finite field. | | [ECFieldFp](/reference/java/security/spec/ECFieldFp) | This immutable class defines an elliptic curve (EC) prime finite field. | |\n\n\u003cbr /\u003e\n\n*** ** * ** ***\n\nThis interface represents an elliptic curve (EC) finite field.\nAll specialized EC fields must implements this interface. \n**See also:**\n\n- [ECFieldFp](/reference/java/security/spec/ECFieldFp)\n- [ECFieldF2m](/reference/java/security/spec/ECFieldF2m)\n\nSummary\n-------\n\n| ### Public methods ||\n|-----------------|--------------------------------------------------------------------------------------------------------------|\n| ` abstract int` | ` `[getFieldSize](/reference/java/security/spec/ECField#getFieldSize())`() ` Returns the field size in bits. |\n\nPublic methods\n--------------\n\n### getFieldSize\n\nAdded in [API level 1](/guide/topics/manifest/uses-sdk-element#ApiLevels) \n\n```\npublic abstract int getFieldSize ()\n```\n\nReturns the field size in bits. Note: For prime finite\nfield ECFieldFp, size of prime p in bits is returned.\nFor characteristic 2 finite field ECFieldF2m, m is returned.\n\n\u003cbr /\u003e\n\n| Returns ||\n|-------|--------------------------------|\n| `int` | the field size in bits. \u003cbr /\u003e |"]]
